R. KELMAN
WIEDER
Curriculum Vitae -
December 2002
Department of Biology, Villanova University, Villanova, PA 19085
Telephone: 610-519-4856; FAX: 610-519-7863; E-mail: Kelman.Wieder@Villanova.edu
Education:
Ph.D. in Biology, West Virginia University, December 1982
Dissertation: Biogeochemical Relationships in Sphagnum-dominated
Wetlands in West Virginia
M.A. in Biological Sciences, University of Missouri-Columbia, 1978
Thesis: Decomposition of 14C-labeled
Fescue Litter in Acid Missouri Strip Mines
B.A. in Biology, Amherst College, Massachusetts, 1974
Professional Experience
(since receiving Ph.D.):
Visiting Professor, Department of Biological Sciences, University of
Alberta, Edmonton, Alberta, Canada, sabbatical
leave, 7/98-8/99
Acting Program Director, Water Resources and Assessment Program, Soils
and Soil Biology Programs, U.S. Department
of Agriculture, National Research Initiative
Competitive Grants Program; USDA Program Manager for Joint
NSF/NOAA/USDA/DOE Terrestrial Ecology and
Global Change Program (Leave of absence from Villanova),
1/98-7/98
Panel Manager, U.S. Department of Agriculture, National Research
Initiative Competitive Grants Program;
Forest/Rangeland/Crop/Aquatic Ecosystems Panel,
1996-1997
Professor of Biology, Villanova University, 1991 - present
Sabbatical leave, 1991-1992 academic year
Tenure awarded, June 1990
Senior Ecologist, Ecological Society of America Certification, 1989;
renewed 1994
Associate Professor of Biology, Villanova University, September 1987 -
August 1991
Technical Advisor, U.S. Office of Surface Mining, Eastern Field
Operations, Pittsburgh, PA (Part-time leave of absence
from Villanova), August 1987 - August 1988
Assistant Professor of Biology, Villanova University, August 1984 -
August 1987
Research Assistant Professor, Biology, West Virginia University,
January 1983 - August 1984
Membership in Scientific
and Honorary Societies:
American Society for Surface Mining and Reclamation; Association for
Tropical Biology; Ecological Society of America;
Sigma Xi (Villanova Chapter: Nominating Committee, 1991, 1997;
President, 1994-1995; Annual Meeting Delegate,
1995); Society of Wetland Scientists; Soil Science Society of America
Awards:
Villanova University Outstanding Faculty Research Award, 1995; Citation
for Excellence in Manuscript Review, Journal
of Environmental Quality, 1991, Honorable
Mention, 1996
Invited Seminars, since
1995:
West Virginia University, Department of Biology, March 2001
McGill University, Centre for Climate and Global Change Research
Winter Colloquium Series, March 2001
University of Notre Dame, Department of Biological Sciences, January
2001
University of Pennsylvania, Department of Biology, November 1999;
Institute for Environmental Studies Seminar Series,
December 1999
University of Louisville, Department of Biology, April 1999
University of Alberta, Environmental Research and Studies Centre
Series, October 1998; Aquatic Ecology Seminar Series,
October 1998; Landscape Ecology Seminar Series,
April 1999
The Ecosystems Center, Woods Hole, Massachusetts, May 1998.
George Mason University, Department of Biology, May 1998
Indonesian Ministry of Mines and Energy, Jakarta, Indonesia, October
1996
Lacawac Sanctuary, Lehigh University Summer Research Experiences for
Undergraduates Program, 1996
University of Pennsylvania, Department of Biology, 1995
Duke University, Duke Wetlands Center, Perspectives in Wetlands Ecology
Series, 1995
Teaching - Villanova
University:
Undergraduate: Science and Environmental Issues (honors;
lecture/laboratory); Environmental Science (lecture; nonmajors);
Botany (lecture/laboratory); General Biology
(lecture/laboratory); General Ecology (lecture/laboratory); Biometry
(lecture/laboratory); Seminar: Wetland Ecology;
Senior Thesis Seminar
Graduate: Biogeochemistry (lecture/laboratory); Plant Ecology
(lecture/laboratory); Biostatistics, Seminars in Ecology and
Evolution; Research Prospectus; Special Topics:
Plant/Microbe Symbioses, Forest Decline
Other Teaching:
UNESCO-IUGS (International Union of Geological Scientists) course
entitled, "Geosciences for Environmental Planning,"
December 1991, Prague and Bozí Dar,
Czechoslovakia; lecturer on coal mine reclamation, forest decline, global climate
change
Center for Urban Horticulture, University of Washington, course
entitled "Functions of Wetland Soils," December 1991,
Seattle, WA; lecturer on heavy metals in
wetland soils
Departmental Service:
Immunobiologist Search Committee, 2001
Graduate Committee, 1985-1991, 1992-1993, 1995-1997
Secretary, 1985-1986; Chair, 1986-1991 and
1996-1997; Applicant review subcommittee, 1985-1991, 1992-1993;
Subcommittee to restructure requirements for
M.S./M.A. degrees, 1985-1987, 1995; Subcommittee to evaluate
feasibility for Ph.D. in Biology, 1986-1987;
Subcommittee to review Research Fellowship proposals, Chair, 1986-1987
Botanist Search Committee, Chair in 1997 and Member in reopened search
in 1998
Faculty Evaluation Committee; Elected member 1990-1991 and 1993-1996,
Chair 1991 and 1996
Undergraduate Advisory Committee, 1992-1996; Academic advisor, classes
of 1996 and 2004 Biology majors
Task Force to Develop Departmental Travel Guidelines, Chair, 1995
Molecular Biologist, Search Committee 1995
Elected Chair of Departmental Tenure Review Committee - 1993, 1996,
1999
Coordinator - Biology Departmental Seminar Series, 1992-1993
Departmental ad hoc Grade Complaint Committee, Spring 1993
Committee to Develop New Guidelines for Faculty Evaluation, 1989
Vertebrate Ecologist Search Committee, 1989
Committee for 5-year Review of Departmental Chairman, 1988, 1996
Search Committees for Vertebrate and Invertebrate Biologists, 1986
Biology Undergraduate Curriculum Committee; 1984-1988
Subcommittee to restructure freshman year biology course, 1986-1987
College and University
Service:
Villanova Quality Initiative Environment Team, Member 2000- present;
Co-Chair 2000-2001
Environmental Studies Committee, 1997-2001, Chair, 1997-1998
Mendel Medal Committee, 1992-present
Dean's Committee to Review Sabbatical Leave Requests, 1991-1997,
1999-present
Dean's Committee to Review Teaching Load Reduction Applications,
1990-1997, 1999-present
Strategic Planning Committee, Graduate Studies, College of Arts and
Sciences, 1997
Bachelor of Science Comprehensive Program, Undergraduate Student
Advisor, 1994-1998
Strategic Planning Committee for Faculty Development, 1995-1997
University's Representative: Morris Udall Scholarships and Excellence
in Education Foundation, 1995-1997
Search Committee; Dean of the Graduate School of Liberal Arts and
Sciences, 1997
Ecological Society of Villanova, Faculty Co-advisor, 1994-1996
Villanova Quality Improvement, Arts and Sciences Unit Improvement Team,
1994-1996
Dean's Ad Hoc Committee to Review Faculty Development Proposals,
1994-1995
Advisory Search Committee - Assistant Dean of the College of Liberal
Arts & Sciences, 1993
Core Curriculum Advisory Committee, Summer/Fall 1991
Vice Presidential Task Force on the Doctoral Program in Chemistry, 1991
University Committee to Review Masters in Secondary School Science,
1988
University Committee on Research; 1986-1988
Undergraduate Research
Directed:
John Navaratnam. Bacterial versus Fungal Contributions to Carbon
Mineralization in Peat, University of Alberta,
1998-1999
Merritt Turetsky. Quantifying Sphagnum Photosynthetic Fixation
of Soil-Produced or Respired 14CO2, 1996-1997
Maryann Welsch, Heavy Metal Budgets for an Urban Stormwater Wetland and
Detention Basin, 1996-1997
Jason LaRocco and Anne Webster. Soil Chemical and Physical Properties
Associated with two Pennsylvania
Threatened Plant Species at Crow's Nest Farm.
1994-1995
Dawn Baechler. Effects of Different Drying Methods on the Determination
of Total Sulfur Concentrations in Freshwater
Wetland Peat. 1992-1993
Melanie Vile. Iron Reduction and Alkalinity Generation in Wetlands
Constructed for Acid Coal Mine Drainage Treatment.
1991-1992
Camille Corletta. Assessing Nitrogen Availability Using Resin Bags and
Soil Incubations: Comparison of Techniques. Spring
1990
Becky Koch. Landscape Characteristics of Wetland Resources in
Northeastern Pennsylvania. Summer 1990
Karen Cichowski. Hydrogen Sulfide Emission from Big Run Bog, WV, Summer
1987
Masters Theses Directed:
Benscoter, Brian.
Pathways of Succession Following Wildfire in Peatlands in the Discontinuous Permafrost
Zone of
Western Canada, in progress.
Susan Crow. The Role of Roots and Root Exudation in the Carbon Cycle of
the Peat Column at Bleak Lake Bog in Boreal,
Continental, Western Canada. August 2001.
John Navaratnam, Microbial Diversity in Boreal Peatlands Assessed using
Molecular Techniques. In progress.
John Maslowski. The Role of Methanotrophic Bacteria in
Trichloroethylene Degradation in a Southeastern Pennsylvania
Stream, June 1999
John Jendro. The Effects of Anthropogenically Deposited Nitrogen and
Sulfur in a Peatland and Global Climate Change.
June 1998
Anne Webster. Reduction of Phosphate Losses from Fertilized Soils Using
Acid Mine Drainage Sludge. September 1997
Melanie Vile. Historical Rates of Heavy Metal Deposition throughout the
Czech Republic as Revealed in Sphagnum Peat
Deposits. August 1995
Beth Sanguinetti. Characterization of the Vegetation Patterns of Two
Adjacent Sphagnum-dominated Wetlands in the
Glaciated Pocono Plateau Section of
Northeastern Pennsylvania. May 1992
Frank Taddeo. The Role of Dissimilatory Sulfate Reduction in Wetlands
Constructed for Acid Coal Mine Drainage
Treatment. August 1991
John Poliero. Soil Nutrient Availability in the Serpentine Soils of
Southeastern Pennsylvania. May 1991
Martin Novák. Speciation of Sulfur and Vertical 34S Profiles in Sphagnum-dominated
Wetlands. August 1990
Robert Bisbing. Effects of High NO3- and High SO42- Concentrations in Precipitation on Leaf Growth and on N and S
Allocation in the Pitcher Plant, Sarracenia
purpurea. May 1989
Kelly Austin. The Effects of Simulated Acid Precipitation on the Growth
and Chlorophyll Concentration of three North
American Sphagnum Species; December
1986
Anne Kearney. The Effects of Acid Mine Drainage on Sphagnum
Species: Growth, Chlorophyll Concentration, and Plant
Tissue Chemistry; December 1986
Mary Christine Lynch. A Descriptive Analysis of the Phytoplankton,
Benthos, and Drift Organisms of French Creek
(Pennsylvania); August 1986
Outside Member - Graduate
Student Committees:
Merritt Turetsky. Permafrost Degradation and Carbon Balance in
Peatlands of Boreal, Continental Western Canada,
Ph.D. expected from the University of Alberta,
2002.
Melanie Vile. Role of Sulfur in Carbon Balance of Peatlands of North
America and the Czech Republic. Ph.D. expected
from The University of Notre Dame, 2000.
Laura Lynch. Controls on Bacterially-mediated Sulfate Reduction in the
Organic Peat Soils of the New Jersey Pinelands.
Ph.D. from Rutgers University - Camden,
December 1997
Mark Baxter. Studies of the Structure and the Stability of Complexes
Formed by Metal Ions and D-galacturonic acid.
Ph.D. in Chemistry from Villanova University,
June 1990
Usha Vedagiri. Behavior of Lead in Pristine and Urbanized Acid Wetlands
in the New Jersey Pinelands with Special
Reference to the Role of Sphagnum
Moss. Ph.D. from Rutgers University, January 1989
Professional Service:
Editorial Boards: Ecological Engineering, 1993-present; Urban
Ecosystems, 1995-present; Wetlands, 1993-1996
Panelist: U.S.D.A., National Research Initiative Competitive Grants
Program, Natural Resources Program Description
Development Workshop, June 1993; Forest,
Rangeland, Crop, and Aquatic Ecosystems Program, Proposal Review
Panel, Spring 1994; Soils and Soil Biology
Program, Proposal Review Panel, Spring 1995
Reviewed grant proposals for: National Science Foundation - Ecosystems
Studies Program, Ecology Program,
Atmospheric Chemistry Program, Atmospheric
Sciences Paleoclimate Program, EPSCoR in Alabama Program,
Arctic System Science Program, Arctic Natural
Sciences Program, Office of Polar Programs; U.S. EPA, Office of
Research and Development, Hazardous Waste
Engineering Research Laboratory, Emerging Technology Program;
Southern Appalachian Research Resource
Management Cooperative, Spruce-Fir Ecosystem Assessment Program;
U.S. Department of Agriculture, National
Research Initiative Competitive Grants Program - Water Quality,
Forest/Rangeland Crop Ecosystem, Small Business
Innovation Research, Water Resources Assessment and Protection,
and Agricultural Systems Programs; U.S. Bureau
of Mines, Abandoned Mine Lands Research Program; National
Institute for Global Environmental Change,
Midwestern Regional Center; Center for Coastal and Environmental Studies,
Rutgers University; Maryland Department of
Natural Resources - Power Plant Research Program and Chesapeake Bay
Research and Monitoring Division; Minnesota Sea
Grant College Program; West Virginia University Energy Research
Center; Center for Transportation & the
Environment, University of North Carolina; Grant Agency of the Czech
Republic; National Environment Research
Council, Directorate of Science and Technology, UK; Fonds FCAR (Fonds
pour la Formation de Chercheurs et l=Aide ŕ la Recherche) - Québec;
Canadian Circumpolar Institute; Netherlands
Organization for Scientific Research, Earth and
Life Sciences; Sustainable Forest Management Network, Canada
Reviewed manuscripts for: Advances in Bryology, American
Midland Naturalist, Applied Geochemistry, Aquatic
Sciences, Bartonia, Biogeochemistry,
BioScience, Biotropica, Boreal Environment Research, Bulletin of
the
Torrey Botanical Club, Canadian
Journal of Forest Research, Climate Change, Ecology, Ecological
Applications, Ecological
Engineering, Environmental and Experimental Botany, Environmental Management,
Global Biogeochemical Cycles, Geochimica
et Cosmochimica Acta, Geological Transactions of the Royal
Society of Chemistry, Geophysical
Research Letters, Hydrobiologia, Journal of Coastal Research, Journal
of
Contaminant Hydrology, Journal of
Environmental Quality, Limnology and Oceanography, Microchemical
Journal, New Zealand Journal of
Forestry Science, Oecologia, Plant and Soil, Soil Biology &
Biochemistry,
Soil Science Society of America
Journal, Vegetatio, Water, Air and Soil Pollution, Water Resources
Research,
Wetlands, Wetland Ecology and
Management
Miscellaneous Reviews:
Pennsylvania Department of Natural Resources,
"Best Professional Judgment Analysis of the Treatment of Post-Mining
Groundwater
Seeps", Fall 1993
USEPA, USDA Soil Conservation Service,
Pennsylvania Department of Natural Resources, "A Handbook of
Constructed Wetlands for the Northeastern
United States, Volume 4," Fall 1994
Book reviews: Ecology, 1986; Microchemical Journal,
1988; Journal of Vegetation Science, 1991
Professional Society Service:
Society of Wetland Scientists; Student Grant
Committee, 2000-present.
Ecological Society of America, Annual Meetings:
Reviewed abstracts 1985, 1987, 1988; Session Chair 1984, 1985,
1987, 1989, 1994; Buell
Award Judge 1985-1990; Buell/Braun Award Committee, 1990.
Society of Wetland Scientists: Panelist -
Protecting Chesapeake non-tidal Wetlands: Research Needs in a New
Regulatory Environment, Washington, D,C, June
1988; Annual Meeting Session Chair, 1999.
Service to other Universities:
External Reviewer, Doctoral Program in Plant
Biology, The Ohio State University, 1995
Workshop Participant:
Workshop
on Peatlands, Permafrost and Climate Change,
Canadian Forest Services, Northern Forestry Centre,
Montreal, Quebec, Canada, March 2002
International Workshop on Carbon Dynamics of Forested Peatlands:
Knowledge Gaps, Uncertainty and Modelling
Approaches, Natural Resources
Canada, Canadian Forest Service, Edmonton, Alberta, Canada, March 2001
Advances in Terrestrial Ecosystem Carbon Inventory, Measurements
and Monitoring, sponsored by the U.S. Forest
Service and others, Raleigh, North Carolina,
October 2000
Wetlands, Carbon Cycling, and Future Climate Change Workshop,
Institute for Wetland Science and Public Policy,
Association of State Wetland Managers, U.S.
Fish and Wildlife Patuxent Research Refuge, Laurel, Maryland, April
2000.
International Long-Term Ecological Research Program Workshop,
Budapest, Hungary, June 1999.
Wetlands and Carbon Sequestration, International Institute for
Sustainable Development, Wetlands International, Ducks
Unlimited, Winnipeg, Manitoba, Canada, April
1999.
Watershed Response to Nutrient Loads: The Best Uses of Monitoring
and Modeling, Chesapeake Bay Program,
Scientific and Technical Advisory Committee,
Harper's Ferry, West Virginia, May 1997.
Mid-Atlantic Regional Pilot Workshop for the National Environmental
Monitoring and Research Framework,
Executive Office of the President, Office of
Science and Technology Policy, University of Maryland, April 1996.
Collaborative Research on Canadian Peatlands: Present Status and
Future Initiatives, Royal Society of Canada,
Global Change Program and University of
Alberta. December 1992.
Workshop on Sulphur Cycling in Wetland and Terrestrial Ecosystems,
SCOPE (Scientific Committee on Problems of
the Environment), Trent University, Ontario,
May 1989.
Workshop on Climate Feedbacks and the Role of Peatlands, Tundra, and
Boreal Ecosystems in the Global Carbon
Cycle, U.S. Department of Energy, Oak
Ridge, Tennessee, May 1988.
Conference Organization:
BIOGEOMON, Fourth Symposium on Ecosystem Behavior;
co-sponsored by the Czech Geological Survey and
Villanova University; to be held in Reading, UK
in 2002 (tentatively). Organizing Committee member and Head of
Publications Committee
BIOGEOMON, Third Symposium on Ecosystem Behavior; co-sponsored by
Villanova University and the Czech
Geological Survey; held at Villanova
University, June 1997; Head of Organizing Committee and of Water, Air, and Soil
Pollution Special Issue Editorial
Committee
Ecology and Conservation in the Philadelphia Region (with Dr. Stevens
Heckscher, Natural Lands Trust), April 1995
Conference Co-Secretary for BIOGEOMON, Symposium on
Ecosystem Behavior: Evaluation of Integrated Monitoring
in Small Catchments, Prague, Czech Republic,
September 1993; Co-editor of a Special Issue of Water, Air, and Soil
Pollution, March 1995
Co-Organizer (with Dr. Don Hammer) of Symposium on Constructed Wetlands
for Wastewater Treatment, American
Society of Limnology and Oceanography/Society
of Wetland Scientists Meeting, Edmonton, Alberta, June 1993.
Community Service:
Science Fair Judge; Oliver School, Edmonton, Alberta, Spring 1999
Science Fair Judge; Cardinal O'Hara High School, Spring 1997
Upper Merion Township Environmental Advisory Council, 1987, 1989-1994
Secretary, 1987, 1994; Chair, 1991; Vice-Chair
1992; Advisor, 1995-1997
Upper Merion Township Subcommittee on Recycling, 1989
Pennsylvania Department of Natural Resources, McCoy Quarry Blasting
Study Review Committee, 1990-1995; Co-Chair,
1993-1995
Present Grant Support:
National Science Foundation,
2002-2005, "RUI: Carbon Accumulation in the Fens of Boreal, Western Canadian
Peatlands@
(with D.H. Vitt and Z. Yu; $440,000)
National
Science Foundation, 2002-2005, "RUI: Trajectories of Post-fire Carbon Balance in
Boreal, Continental, Western
Canadian Peatlands@ (with D.H. Vitt; $777,000)
National Science Foundation, Biocomplexity Competition, 2001-2002, "RUI:
Linking Microbial Diversity to Carbon
metabolism in Peatlands of Canada and
Siberia" (with J.A. Navaratnam) $99,438
Villanova University Summer Research Fellowship and Research
Support Grants, 2001, "Carbon Cycling, Climate Change,
and Permafrost Melting in the Boreal
Peatlands of Continental Western Canada and Central Siberia" ($12,500)
National Science Foundation, 2000-2003, "RUI: High-precision, Fine-scale Depth Resolution Dating
of Recently
Accumulated Sphagnum Peat:
Cross-Corroboration of Techniques and Development of a Novel Approach" (with M.R.
Turetsky; $174,080, requested; $49,960)
National Science Foundation, 1998-2002, "RUI: Carbon Cycling and
Peat Accumulation in the Discontinuous Permafrost
Region of Boreal, Continental, Western
Canada" (with J.B. Yavitt; $612,930); includes $15,000 supplement for summer
2001 field campaign in western Siberian
peatlands
Past Grant Support (major awards, $50,000 or more):
National Science Foundation, 1994-1997. "RUI: Peatlands and Global
Climate Change: Continued Comparative Studies of
Northern and Southern Sites." (with J.B.
Yavitt; $500,004)
Chesapeake Research Consortium, 1996-1997. "Effectiveness of Urban
Stormwater Wetlands as a Best Management
Practice - Phase II" (with R.G. Traver and
R.A. Chadderton, $50,000)
Chesapeake Research Consortium, 1995-1996. "Effectiveness of Urban
Stormwater Wetlands as a Best Management
Practice." (with R.G. Traver and R.A.
Chadderton, $70,000)
National Science Foundation, 1991-1994. "RUI: Peatlands and Global
Climate Change: Insights Obtained through
Comparative Studies of Northern and Southern
Sites." (with J.B. Yavitt $465,417)
U.S. Office of Surface Mining, Reclamation, and Enforcement, 1988-1992.
"The Kentucky Wetlands Project: A Field
Study to Evaluate Man-made Wetlands for Acid
Coal Mine Drainage Treatment." ($605,386)
Environmental Protection Agency, 1986-1990. "The Use of Wetlands
to Treat Acid Mine Drainage: Growth Responses of
Sphagnum and Mechanisms of Metal
Retention in Peat." (with S.I. Shupack; $265,045)
National Science Foundation, 1986-1988. "Ecological Significance
of Methanogenesis and Sulfate Reduction in Sphagnum
Peat: Temporal and Spatial Patterns in
Ombrotrophic and Minerotrophic Systems." (with G.E. Lang and J.B. Yavitt;
$149,827)
Environmental Protection Agency, 1982-1986. "The Use of Wetlands
to Modify Acid Mine Drainage." (with G.E. Lang;
$228,148)
National Science Foundation, 1983-1985. "Methanogenesis and
Sulfate Reduction in Freshwater Wetlands." (with G.E.
Lang; $151,098)
Past Grant Support
(awards less than $50,000):
National Science Foundation, 1997-1998, "Financial Support for BIOGEOMON,
The Third International Symposium
on Ecosystem Behavior" ($15,000)
Electric Power Research Institute, 1997-1998, "Financial Support
for BIOGEOMON, The Third International
Symposium on Ecosystem Behavior"
($25,000)
National Science Foundation, 1997. REU Supplement to NSF grant ($5,000)
Villanova University Small Summer Research Grant, 1994.
"Experimental Studies of Pb Mobility in Sphagnum-derived
Peat." (with M.A. Vile; $1,600)
Weston Institute. 1990-1991. "Landscape/Spatial Characteristics of
Wetland Resources in Northeastern Pennsylvania."
(undergraduate independent study project;
$4,500)
Becker Foundation, Smithsonian Institution, 1987-1988. "Continued
Studies of the Effect of Water Augmentation During
the Dry Season on N, P and S Availability in
the Tropical Moist Forests of Barro Colorado Island, Panama." (with S.J.
Wright and J.B. Yavitt; $13,000)
Smithsonian Tropical Research Institute, 1987-1988. "Temporal
Changes in the Chemical Composition of Litterfall and
Forest Floor Litter as Affected by Water
Augmentation During the Dry Season in the Tropical Moist Forests of Barro
Colorado Island, Panama." ($6,560)
National Science Foundation, 1987-1988. REU Supplement to NSF grant,
"Hydrogen Sulfide Emission from Freshwater
Sphagnum-dominated Wetlands."
($4,000)
Becker Foundation, Smithsonian Institution, 1986-1987. "The Effect
of Water Augmentation During the Dry Season on
Nitrogen, Phosphorus, and Sulfur Availability
in the Tropical Moist Forests of Barro Colorado Island, Panama." (with
S.J. Wright and J.B. Yavitt; $10,000)
West Virginia University Energy Research Center, 1982-1983.
"Modification of Acid Mine Drainage by a Freshwater
Wetland." (with G.E. Lang; $22,500)
Publications in Refereed Journals:
Crow, S.E. and R.K. Wieder. The
role of roots and root exudates in the carbon cycle of a boreal, continental bog
in western
Canada. Ecology, in review.
Vitt, D.H., L.A. Halsey, R.K. Wieder and M.R. Turetsky. Response of Sphagnum
fuscum to nitrogen deposition:
A case
study of ombrogenous peatlands in Alberta, Canada. The Bryologist, in
review.
Vile, M.A., S.D. Bridgham, R.K. Wieder and M. Novák. Atmospheric
sulphur deposition alters pathways of gaseous
carbon production in peatlands. Nature,
in review.
Turetsky, M., K. Wieder, L. Halsey and D. Vitt. 2002. Current
disturbance and the dininishing peatland carbon sink.
Geophysical Research
Letters
10.1029/2001GL014000, 12 June 2002.
Vile, M.A., S.D. Bridgham and R.K. Wieder. Response of dissimilatory
rates of sulfate reduction and anaerobic carbon
mineralization to sulfate amendments in a
boreal ombrotrophic peatland. Ecological Applications, in
press.
Yavitt, J.B., R.K. Wieder and S.J Wright. Nutrient cycling through
litterfall and forest floor material in a lowland moist
forest, Panama. Ecosystems, in
review.
Navaratnam, J.A. and R.K. Wieder. Fungal versus bacterial contribution
to CO2 and CH4 emission in a Canadian
peatland. Wetlands,
in review.
Turetsky, M.R., R.K. Wieder and D.H. Vitt. 2002. Boreal
peatland C fluxes under varying permafrost regimes. Soil
Biology & Biochemistry
34: 907-912.
Turetsky, M.R. and R.K. Wieder. Dating of recent peat deposits: A
review of current approaches. Wetlands, in revision.
Turetsky, M.R. and R.K. Wieder. 2001. A direct approach for quantifying
organic matter lost as a result of peatland
wildfire. Canadian Journal of Forest
Research 31: 363-366.
Wieder, R.K. 2001. Past, present and future peatland carbon balance -
An empirical model based on 210Pb-dated cores.
Ecological Applications 7: 321-336.
Turetsky, M.R., R.K. Wieder, C.J. Williams, and D.H. Vitt. 2000.
Organic matter accumulation, peat chemistry and
permafrost melting in peatlands of boreal
Alberta. Écoscience 7: 379-392.
Yavitt, J.B., C.J. Williams and R.K. Wieder. 2000. Controls on
microbial production of methane and carbon dioxide in
three Sphagnum-dominated peatland
ecosystems as revealed by a reciprocal field peat transplant experiment.
Geomicrobiology Journal 17: 61-88.
Vile, M.A., R.K. Wieder and M. Novák. 2000. 200 years of Pb deposition
throughout the Czech Republic: Patterns and
sources. Environmental Science and
Technology 34: 12-21.
Turetsky, M.R. and R.K. Wieder. 1999. Refixation of soil-produced or
respired 14CO2 by Sphagnum in a boreal bog.
Écoscience 6: 587-591.
Vile, M.A., R.K. Wieder and M. Novák. 1999. Mobility of Pb in Sphagnum-derived
peat. Biogeochemistry 45: 35-52.
Wieder, R.K. and S.T. Starr. 1998. Quantitative determination of
organic fractions in highly organic, Sphagnum peat soils.
Communications in Soil Science and Plant
Analysis 29: 847-857.
Wieder, R.K., J.B. Yavitt, C.E. Gasda, S.T. Starr, and C. Williams.
1998. Tetrazolium (INT) reduction in acidic
Sphagnum-derived peat - A poor measure
of terminal carbon mineralization. Wetlands 18: 79-83.
Williams, C.J., J.B. Yavitt, R.K. Wieder, and N.L. Cleavitt. 1998.
Cupric oxidation products of northern peat and
peat-forming plants. Canadian Journal of
Botany 76: 51-62.
Yavitt, J.B., C.J. Williams, and R.K. Wieder. 1997. Production of
methane and carbon dioxide in peatland ecosystems
across North America: Effects of temperature,
aeration and organic chemistry of peat. Geomicrobiology Journal 14:
299-316.
Schell, W.R., M.J. Tobin, M.J.V. Novák, R.K. Wieder, and P.I.
Mitchell. 1997. Deposition history of trace metals and
fallout radionuclides in wetland ecosystems
using 210Pb chronology. Water, Air, and Soil Pollution, in press.
LaRocco, J.T., A.K. Webster, and R.K. Wieder. 1996. Soil chemical and
physical properties associated with two
Pennsylvania threatened plant species at Crow's
Nest Farm, Chester County. Bartonia 59: 107-111.
Wieder, R.K., M. Novák, and D. Rodríguez. 1996. Sample drying, total
S and sulfur isotopic ratio determination in
freshwater wetland peat. Soil Science
Society of America Journal 60: 949-952.
Wieder, R.K. and S.J. Wright. 1995. Tropical forest litter dynamics and
dry season irrigation on Barro Colorado Island,
Panama. Ecology 76: 1971-1979.
Vile, M.A., M. Novák, E. Brízová, R.K. Wieder, and W.R. Schell.
1995. Historical rates of atmospheric metal deposition
using 210Pb-dated Sphagnum
peat cores: Corroboration, calculation, and interpretation. Water, Air, and Soil
Pollution
77: 89-106.
Wieder, R.K., M. Novák, W.R. Schell and T. Rhodes. 1994. Rates of peat
accumulation over the past 200 years in five
Sphagnum-dominated peatlands in the
United States. Journal of Paleolimnology 12: 35-47.
Wieder, R.K. 1994. Diel changes Fe3+/Fe2+ in
effluent from constructed acid mine drainage treatment wetlands. Journal of
Environmental Quality 23: 730-738.
Wieder, R.K. and J.B. Yavitt. 1994. Peatlands and global climate
change: Insights from comparative studies situated along
a latitudinal gradient. Wetlands 14:
233-242.
Novák, M., R.K. Wieder and W.R. Schell. 1994. Sulfur during early
diagenesis in Sphagnum peat: Insights from 34S ratio
profiles in 210Pb-dated peat cores. Limnology
and Oceanography 39: 1172-1185.
Wieder, R.K. 1993. Ion input/output budgets for five wetlands
constructed for acid coal mine drainage treatment. Water,
Air and Soil Pollution 71: 231-270.
Vile, M.A., and R.K. Wieder. 1993. Alkalinity generation by Fe(III)
reduction versus sulfate reduction in wetlands
constructed for acid coal mine drainage
treatment. Water, Air and Soil Pollution 69: 425-441.
Yavitt, J.B., R.K. Wieder, and G.E. Lang. 1993. CO2 and CH4
dynamics of a Sphagnum-dominated peatland in West
Virginia. Global Biogeochemical Cycles
7: 259-274.
Yavitt, J.B., R.K. Wieder, and S.J. Wright. 1993. Soil nutrient
dynamics in response to irrigation of a Panamanian tropical
moist forest. Biogeochemistry 19:
1-25.
Novák, M., and R.K. Wieder. 1992. Inorganic and organic sulfur
profiles in nine Sphagnum peat bogs in the United States
and Czechoslovakia. Water, Air and Soil
Pollution 65: 353-369.
Wieder, R.K., and J.B. Yavitt. 1991. Assessment of site differences in
anaerobic carbon mineralization using reciprocal
peat transplants. Soil Biology &
Biochemistry 23: 1093-1095.
Henrot, J. and R.K. Wieder. 1990. Processes of Fe and Mn retention in
laboratory peat microcosms subjected to acid
mine drainage. Journal of Environmental
Quality 19: 312-320.
Wieder, R.K., J.B. Yavitt, and G.E. Lang. 1990. Methane production and
sulfate reduction in two Appalachian peatlands.
Biogeochemistry 10: 81-104.
Wieder, R.K., M.P. Nardi, and K.P. Heston. 1990. Laboratory mesocosm
studies of Fe, Al, Mn, Ca, and Mg retention
in wetlands exposed to synthetic acid coal mine
drainage. Water, Air, Soil Pollution 51: 181-196.
Wieder. R.K. 1990. Metal cation binding to Sphagnum peat and
sawdust: relation to wetland treatment of metal-polluted
waters. Water, Air, and Soil Pollution
53: 391-400.
Wieder, R.K., J.B. Yavitt, G.E. Lang, and C.A. Bennett. 1989.
Aboveground net primary production at Big Run Bog,
West Virginia. Castanea 54: 209-216.
Wieder, R.K. 1989. A survey of constructed wetlands for acid coal mine
drainage treatment in the eastern United States.
Wetlands 9: 299-315.
Wieder, R.K., and G.E. Lang. 1988. Cycling of inorganic and organic
sulfur in peat from Big Run Bog, West Virginia.
Biogeochemistry 5: 221-242.
Yavitt, J.B. and R.K. Wieder. 1988. Nitrogen, phosphorus, and sulfur
properties of some forest soils on Barro Colorado
Island, Panama. Biotropica 20: 2-10.
Wieder, R.K., K.P. Heston, E.M. O'Hara, G.E. Lang, A.E. Whitehouse, and
J. Hett. 1988. Aluminum retention in a
man-made Sphagnum wetland. Water,
Air, and Soil Pollution 37: 177-191.
Wieder, R.K., G.E. Lang, and V.A. Granus. 1987. Sulphur transformations
in Sphagnum-derived peat during incubation.
Soil Biology & Biochemistry
19: 101-106.
Jarvis, B.W., G.E. Lang, and R.K. Wieder. 1987. Arylsulphatase activity
in peat exposed to acid precipitation. Soil
Biology & Biochemistry 19: 107-109.
Yavitt, J.B., G.E. Lang, and R.K. Wieder. 1987. Control of carbon
mineralization to CH4 and CO2 in anaerobic,
Sphagnum-derived peat from Big Run
Bog, West Virginia. Biogeochemistry 4: 141-157.
Austin, K.A., and R.K. Wieder. 1987. Effects of elevated H+,
SO42-, NO3-, and NH4+ in
simulated acid precipitation on
the growth and chlorophyll concentration of 3
North American Sphagnum species. The Bryologist 90: 221-229.
Wieder, R.K. and G.E. Lang. 1986. Fe, Al, Mn, and S chemistry of Sphagnum
peat in four peatlands with different metal
and sulfur input. Water, Air, and
Soil Pollution 29: 309-320.
Wieder, R.K. 1985. Peat and water chemistry at Big Run Bog, a peatland
in the Appalachian Mountains of West Virginia.
Biogeochemistry 1: 277-302.
Wieder, R.K., G.E. Lang, and V.A. Granus. 1985. An evaluation of wet
chemical methods for quantifying sulfur fractions
in freshwater wetland peat. Limnology and
Oceanography 30: 1109-1115.
Wieder, R.K., C.A. Bennett, and G.E. Lang. 1984. Flowering phenology at
Big Run Bog, West Virginia. American
Journal of Botany 71: 203-209.
Wieder, R.K., and G.E. Lang. 1984. Influence of wetlands and coal
mining on stream water chemistry. Water, Air, and
Soil Pollution 23: 381-396.
Wieder, R.K., J.E. Carrel, J.K. Rapp, and C.L. Kucera. 1983.
Decomposition of tall fescue (Festuca elatior var.
arundinacea) and cellulose litter
on surface mine and tallgrass prairie soils in central Missouri, U.S.A. Journal of
Applied Ecology 20: 303-321.
Wieder, R.K. and G.E. Lang. 1983. Net primary production of the
dominant bryophytes in a Sphagnum-dominated
wetland in West Virginia. The Bryologist
86: 278-284.
Wieder, R.K. and G.E. Lang. 1982. A critique of the analytical methods
used in examining decomposition data obtained
from litter bags. Ecology 63:
1636-1642.
Wieder, R.K., A.M. McCormick, and G.E. Lang. 1981. Vegetational
analysis of Big Run Bog, a nonglaciated Sphagnum
bog in West Virginia. Castanea 46:
16-29.
Wieder, R.K. and J.E. Carrel. 1979. Radioactive carbon-14 as an
indicator of energy flow in litter decomposition studies.
Oecologia (Berl.) 44: 31-33.
Other Publications:
Wieder, R.K., M. Turetsky & M.A. Vile. 2002. Wetlands as archives
of past atmospheric, climatic and environmental
conditions. In The Wetlands Handbook
(E. Maltby, ed.), Blackwell Scientific Publishers (invited book chapter), in
press.
Wieder, R.K. and M. Novák. 1995. Biogeochemical processes during the
treatment of acid mine drainage: The Kentucky
Wetland project. In J. Pašava, B.
Kríbek, K. Zák, editors. Mineral Deposits: From their Origin to their Environmental
Impacts, Proceedings of the Third Biannual
Society for Geology Applied to Mineral Deposits Meeting, Prague, Czech
Republic, August 28-31, 1995. Balkema,
Rotterdam.
Wieder, R.K., J.B. Yavitt, and M. Novák. 1995. Global climate change
and peatland carbon balance: An overview.
Journal of the Czech Geological Society
39/4: 330-334.
Schell, W.R., A. McGarry, M. Novák, P.I. Mitchell, and R.K. Wieder.
1993. Deposition history of lead in wetland
ecosystems as revealed using 210Pb
chronology. Verh. Internal. Verein. Limnol. 25: 232-234.
Novák, M., T. Paces, R.K. Wieder, and W.R. Schell. 1993. Annual rates
of sulphur removal from subsurface layers of
freshwater peats: A minimum estimate using 210Pb chronology.
Selected Papers on Environmental Hydrogeology from
the 29th International Hydrogeological
Congress, Kyoto, Japan, August 24 - September 3, 1992. International
Association of Hydrogeologists Selected Papers,
Vol. 4, Verlag Heinz Heise, Hanover, pp. 77-88.
Giblin, A.E. and R.K. Wieder. 1992. Sulfur cycling in saline and
freshwater wetlands: A review. Pages 85-117 in R.W.
Howarth, J.W.B. Stewart, and M.V. Ivanov, eds.
Sulfur Cycling on the Continents; SCOPE 1992 (Scientific Committee
on Problems of the Environment), John Wiley
& Sons, New York. (Invited contribution).
Wieder, R.K., J.B. Yavitt and G.E. Lang. 1992. Sulphur inputs may
affect organic carbon balance of Sphagnum-
dominated wetlands. Pages 119-124 in R.W.
Howarth, J.W.B. Stewart, and M.V. Ivanov, eds., Sulfur Cycling on the
Continents; SCOPE 1992 (Scientific Committee on
Problems of the Environment), John Wiley & Sons, New York.
(Invited contribution).
Taddeo, F.J. and R.K. Wieder. 1991. Accumulation of iron sulfides in
wetlands constructed for acid coal mine drainage
(AMD) treatment. Second International
Conference of the Abatement of Acidic Drainage, Montreal, Canada, September
1991, pp. 529-547.
Wieder, R.K., M.N. Linton and S.T. Starr. 1991. Spatial and temporal
patterns in surface and subsurface water chemistry
in wetlands constructed for acid coal mine
drainage (AMD) treatment. Second International Conference of the Abate-
ment of Acidic Drainage, Montreal, Canada,
September 1991, pp. 507-527.
Wieder, R.K., G. Tchobanoglous, and R.W. Tuttle. 1989. Preliminary
considerations regarding wetland treatment of
wastewaters. Chapter 25 in D.E. Hammer, ed.,
Constructed Wetlands for Wastewater Treatment, Lewis Publishers,
Chelsea, Michigan, pp. 297-305. (Invited
presentation and paper).
Henrot, J., R.K. Wieder, K.P. Heston, and M.P. Nardi. 1989. Wetland
treatment of coal mine drainage: Controlled
studies of Fe retention in model wetland
systems. Chapter 42g in D.E. Hammer, ed., Constructed Wetlands for
Wastewater Treatment, Lewis Publishers,
Chelsea, Michigan, pp. 793-800.
Whitehouse, A.E., and R.K. Wieder. 1988. The status of constructed
wetlands for treating coal mine drainage in the
eastern United States. Pages 28-34 in
Environmental Workshop - 1988, Proceedings, Volume I, Australian Mining
Industry Council, Darwin, Australia.
Wieder, R.K. 1988. Determining the capacity for metal retention in
wetlands. Mine Drainage and Reclamation Conference.
Pages 375-381 in Mine Drainage and Surface Mine
Reclamation. Volume 1: Mine Water and Mine Waste. U.S.
Bureau of Mines Information Circular 9183.
Spratt, A.K. and R.K. Wieder. 1988. Growth responses and iron uptake in
Sphagnum plants and their relation to acid
mine drainage treatment. Pages 279-285 in Mine
Drainage and Surface Mine Reclamation. Volume 1: Mine Water and
Mine Waste. U.S. Bureau of Mines Information
Circular 9183.
Wieder, R.K., G.E. Lang, and A.E. Whitehouse. 1987. Treatment of acid
coal mine drainage using Sphagnum-dominated
wetlands. Pages 218-220 in GEOMON -
Geochemistry and Monitoring of Representative Basins, Prague,
Czechoslovakia. (Invited paper).
Wieder, R.K., G.E. Lang, and A.E. Whitehouse. 1985. The use of
freshwater wetlands to treat acid mine drainage. Pages
14-18 in Proceedings of a Conference on
Treatment of Acid Mine Drainage by Wetlands. The Pennsylvania State
University.
Wieder, R.K., G.E. Lang, and A.E. Whitehouse. 1985. Metal removal in Sphagnum-dominated
wetlands: Experience
with a man-made wetland system. Pages 353-364
in Proceedings of a Conference on Wetlands and Water Management
on Mined Lands. Pennsylvania State University.
Tarleton, A.L., G.E. Lang, and R.K. Wieder. 1984. Removal of iron from
acid mine drainage by Sphagnum peat: Results
from experimental laboratory microcosms. Pages
413-420 in Symposium on Surface Mining, Hydrology, Sedimentology,
and Reclamation Proceedings. University of
Kentucky.
Wieder, R.K., G.E. Lang, and A.E. Whitehouse. 1984. Destruction of a
wetland ecosystem by inputs of circumneutral coal
mine drainage. Pages 433-441 in Symposium on
Surface Mining, Hydrology, Sedimentology, and Reclamation
Proceedings. University of Kentucky.
Wieder, R.K. and G.E. Lang. 1982. Modification of acid mine drainage in
a freshwater wetland. Pages 43-53 in B.R.
McDonald, ed., Symposium on Wetlands of the
Unglaciated Appalachian Region. West Virginia University.
Carrel, J.E., R.K. Wieder, V. Leftwich, C. Kucera, S. Weems, and L.S.
Bouchard. 1979. Strip mine reclamation:
Production and decomposition of plant litter.
Pages 670-676 in M.K. Wali, ed. Ecology and Coal Resource
Development. Proceedings of the International
Symposium for Energy and the Ecosystem. University of North Dakota.
Abstracts:
Wieder, R.K., M.R. Turetsky, K.D. Scott,
S.T. Starr and S.A. Manchur. 2002. What determines peat organic matter
chemistry? BIOGEOMON, The Fourth International
Symposium on Ecosystem Behaviour, University of Reading,
Reading, United Kingdom, August 2002
Navaratnam, J.A., J.J. Andehazy and R.K. Wieder. Microbial community diversity in
peatlands of Canada and Siberia
as revealed by molecular ecological techniques. BIOGEOMON,
The Fourth International Symposium on Ecosystem
Behaviour, University of Reading, Reading,
United Kingdom, August 2002
Benscoter, B.W., R.K. Wieder and D.H. Vitt. 2002. Variability of
organic matter loss due to fire in boreal, western
Canadian peatlands. American Geophysical Union Spring Meeting,
Washington, D.C., May 2002
Benscoter, B.W., D.H. Vitt and R.K. Wieder. 2002. Assessing the
decomposition and compaction components of bulk
density changes with depth in boreal, western
Canadian bog peatlands. BIOGEOMON, The
Fourth International
Symposium on Ecosystem Behaviour, University of
Reading, Reading, United Kingdom, August 2002 (poster)
Wieder, R.K., M.R. Turetsky, D.H. Vitt and L.A. Halsey. 2002. Western
Canadian peatlands - Source or sink for
atmospheric C?
Society of
Wetland Scientists Annual Meeting, Lake Placid, New York, June 2002 (invited
symposium presentation)
Benscoter, B.W., R.K. and D.H. Vitt. 2002. Boreal bog vegetation
change after fire: An example of relay floristic
succession. Society of Wetland Scientists Annual
Meeting, Lake Placid, New York, June 2002
Navaratnam, J.A. and
R.K. Wieder. 2002. Eubacterial and fungal community
diversity in a boreal peatland complex.
Society of Wetland Scientists Annual Meeting,
Lake Placid, New York, June 2002
Scott, K., M.A. Vile, A.
Kuchibhatla, J.A. Navaratnam and R.K. Wieder. 2002. Peat
mining effects on rates of carbon
mineralization and enzymatic activity in
peat. Society of Wetland Scientists Annual
Meeting, Lake Placid, New York,
June 2002
Wieder, R.K.,
M.R. Turetsky and J.A. Navaratnam. 2002. Biotic and
abiotic factors affecting carbon cycling in continental
bogs, permafrost bogs and internal lawns.
Workshop on Peatlands, Permafrost and Climate Change, Montreal, Quebec,
Canada, March 2002.
Turetsky, M.R., R.K. Wieder, L.A. Halsey and D.H. Vitt. 2001. Estimating carbon losses
through combustion during
peatland wildfires. American Geophysical Union Fall Meeting, San
Francisco, California, December 2001.
Turetsky, M.R., L.A. Halsey, D.H. Vitt and R.K. Wieder. 2001. Quantifying
organic matter combustion during peatland
wildfire. Tall Timbers 22nd
Fire Ecology Conference, Kananaskis Village, Alberta, Canada , October 2001. (Poster)
Benscoter, B.W., R.K. Wieder, D.H. Vitt and L.A. Halsey. 2001.
Assessing spatial variation in organic matter lost due
to fire within and between continental
peatlands of western Canada. Tall Timbers 22nd Fire Ecology Conference,
Kananaskis Village, Alberta, Canada, October
2001 (Poster)
Wieder, R.K. 2001. 210Pb-based empirical model of carbon
cycling in peatlands along a latitudinal gradient in North
America. West Siberian Peatlands and Carbon
Cycle: Past and Present. Noyabrsk, Russia, August 2001.
Crow, S.E. and R.K. Wieder. 2001. Assessing the role of roots and root
exudation in CO2 emission from the peat
surface: Preliminary results. West Siberian
Peatlands and Carbon Cycle: Past and Present. Noyabrsk, Russia,
August 2001.
Navaratnam, J.A. and R.K. Wieder. 2001. A molecular ecological
investigation of bacterial and fungal diversity in a
boreal, continental, western Canadian peatland.
West Siberian Peatlands and Carbon Cycle: Past and Present.
Noyabrsk, Russia, August 2001.
Wieder, R.K., L.A. Halsey, M.R Turetsky and D.H. Vitt. 2001 Preliminary
regional carbon budget for the peatland
region of boreal, continental, western
Canada." Wetland Biogeochemistry Symposium, Duke University, Durham,
North Carolina, June 2001 (Invited Symposium
presentation)
Crow, S.E. and R.K. Wieder. 2001. The contribution of roots and root
exudates to the carbon cycle at a continental bog
in boreal, western Canada. Society of Wetland
Scientists Annual Meeting, Chicago, Illinois, May 2001 (poster)
Wieder, R.K., L.A. Halsey, M.R. Turetsky and D.H. Vitt. 2000. Natural
and anthropogenic factors influencing the carbon
balance of boreal, continental, western Canada.
Advances in Terrestrial Ecosystem Carbon Inventory, Measurements and
Monitoring, sponsored by the U.S. Forest
Service and others, Raleigh, North Carolina, October 2000 (Invited)
Wieder, R.K. 2000. Carbon cycling in boreal peatlands: a new empirical
model and its predictions of present and future
carbon balance under different climate change
scenarios. Wetlands, Carbon Cycling, and Future Climate Change
Workshop, Institute for Wetland Science
and Public Policy, Association of State Wetland Managers, U.S. Fish and
Wildlife Patuxent Research Refuge, Laurel,
Maryland, April 2000.
Wieder, R.K. 2000. Empirical modeling of present and future carbon
balance of Sphagnum peatlands. INTECOL's IV
International Wetlands Conference, Québec
City, August 2000 (Invited Symposium presentation)
Traver, R.G. and R.K. Wieder. 2000. Effectiveness of an urban
stormwater wetland detention pond - First results.
INTECOL's IV International Wetlands Conference,
Québec City, August 2000 (Invited Symposium presentation)
Navaratnam, J.A. and R.K. Wieder. 2000. Dissolved anion concentrations
distinguish North American boreal peatland
types. INTECOL's IV International Wetlands
Conference, Québec City, August 2000 (Poster)
Turetsky, M.R., D.H. Vitt and R.K. Wieder. 2000. Carbon accumulation in
peatlands following recent permafrost melt in
western, boreal Canada. INTECOL's IV
International Wetlands Conference, Québec City, August 2000
Vile, M.A., S.D. Bridgham, M. Novák, and R.K. Wieder. 2000. The
contribution of sulphate reduction to carbon cycling in
Sphagnum-dominated peatlands: A global
comparison. INTECOL’s IV International Wetlands Conference, Québec
City, August 2000 (Poster)
Wieder, R.K. 1999. Estimating peatland net primary production and
depth-dependent decomposition - A novel empirical
modeling approach based on 210Pb-dated
cores. Ecological Society of America Annual Meeting, Spokane, Oregon,
August 1999 (Poster)
Navaratnam, J.N. and R.K. Wieder. 1999. Fungal versus bacterial
contribution to CO2 and CH4 emission in a peatland.
Ecological Society of America Annual Meeting,
Spokane, Oregon, August 1999 (Poster)
Turetsky, M.R., R.K. Wieder, C.J. Williams, and D.H. Vitt. 1999. Carbon
accumulation in peatlands of the discontinuous
permafrost zone of boreal Alberta. Ecological
Society of America Annual Meeting, Spokane, Oregon, August 1999
Yavitt, J.B., R.K. Wieder and C.J. Williams. 1999 Environmental
controls on methane production in northern peatland
ecosystems. Ecological Society of America
Annual Meeting, Spokane, Oregon, August 1999 (Poster)
Wieder, R.K. 1999. Estimation of fine-scale, depth-dependent decay
rates in near-surface Sphagnum peat from
210Pb-dated cores. Society of
Wetland Scientists Annual Meeting, Norfolk, Virginia, June 1999
Turetsky, M.R., R.K. Wieder and D.H. Vitt. 1999. Carbon mineralization
in peatlands of the discontinuous permafrost
zone of continental, western Canada. Society of
Wetland Scientists Annual Meeting, Norfolk, Virginia, June 1999
Vile, M.A., S.D. Bridgham, and R.K. Wieder. 1998. Carbon Mineralization
via the sulfur pathway in a boreal peatland.
Soil Science Society of America Annual Meeting,
Baltimore, Maryland
Turetsky, M.R., C.J. Williams, J. Jendro, and R.K. Wieder. 1998. Carbon
accumulation as affected by permafrost
presence, absence, or degradation in the
discontinuous permafrost region of continental, boreal, western Canada.
Society of Wetland Scientists Annual Meeting,
Anchorage, Alaska, June 1998 (Poster)
Wieder, R.K., S.T. Starr, M.R. Turetsky and C.J. Williams. 1998. Carbon
turnover at the surface of peatlands - Findings
from a two-Year field 14C-labeling
study. Society of Wetland Scientists Annual Meeting, Anchorage, Alaska, June 1998
(Invited Symposium presentation)
Wieder, R.K., J.B. Yavitt, M.A. Vile, M. Novák, M.R. Turetsky, S.T.
Starr, C.J. Williams, and S. Bottrell. 1998. With
global climate changes, will peatland carbon
turnover accelerate without affecting net peat accumulation? VII International
Congress of Ecology - INTECOL, Florence, Italy,
July 1998 (Invited Symposium speaker)
Wieder, R.K., S.T. Starr, and C.J. Williams. 1997. Carbon storage and
turnover in Sphagnum peat: Potential responses
to a globally changing climate. Tenth Meeting
of the Association of European Geological Societies, Carlsbad, Czech
Republic, September 1997 (Invited plenary
speaker)
Vile, M.A., R.K. Wieder and M. Novák. 1997. Pb, Zn and Cu deposition over
the past ±200 years for eight sites spanning
a pollution gradient in the Czech Republic.
Tenth Meeting of the Association of European Geological Societies, Carlsbad,
Czech Republic, September 1997 (Invited
speaker)
Jendro, J. and R.K. Wieder. 1997. Carbon turnover in a boreal bog
treated with N and S additions. Ecological Society of
America Annual Meeting, Albuquerque, New
Mexico, August 1997.
Turetsky, M.R. and R.K. Wieder. 1997. Quantifying Sphagnum
photosynthetic fixation of soil-produced or respired
14CO2, Ecological
Society of America Annual Meeting, Albuquerque, New Mexico, August 1997.
Vile, M.A., S.D. Bridgham, and R.K. Wieder. 1997. Carbon flow through
the sulphur pathway in a boreal peatland.
BIOGEOMON,
The Third International Symposium on Ecosystem Behavior, Villanova University, June 1997.
Webster, A. and R.K. Wieder. 1997. Reduction of phosphate losses from
fertilised soils using acid mine drainage sludge.
BIOGEOMON,
The Third International Symposium on Ecosystem Behavior, Villanova University, June 1997.
Vile, M.A., S.D. Bridgham, and R.K. Wieder. 1997. Simulated sulfate
deposition decreases anaerobic C mineralization in
a boreal peatland. Society of Wetland
Scientists Annual Meeting, Bozeman, Montana, June 1997.
Turetsky, M.R., R.K. Wieder, and S.T. Starr. 1997. Changes in Sphagnum
organic fractions during peat formation.
Society of Wetland Scientists Annual Meeting,
Bozeman, Montana, June 1997.
Wieder, R.K. 1996. Biogeochemistry of wetland treatment of acid mine
drainage. 3rd International and the 21st Annual
Australian Mining Industry Council
Environmental Workshop, Newcastle, New South Wales, Australia, October 1996.
Wieder, R.K. 1996. Peatland ecosystems, carbon cycling, and global
climate change. INTECOL's V International Wetlands
Conference, Perth, Western Australia, September
1996. (Invited symposium presentation).
Hughes, P.F. and R.K. Wieder. 1996. Revegetation following herbicide
treatment of Phragmites stands in a Pennsylvania
freshwater marsh: Effects of litter and
standing dead. Ecological Society of America Annual Meeting, Providence, Rhode
Island, August 1996.
Lammey, D. and R.K. Wieder. 1996. Release of Ni from serpentine
watersheds during major storm events. Ecological
Society of America Annual Meeting, Providence,
Rhode Island, August 1996.
Wieder, R.K. 1996. Two-year fate of photosynthetically fixed 14CO2
in Sphagnum-dominated peat bogs in Ontario,
Minnesota, and West Virginia. Ecological
Society of America Annual Meeting, Providence, Rhode Island, August 1996.
Wieder, R.K., M.A. Vile, and M. Novák. 1996. Comparative analysis of
organic matter accumulation in Sphagnum peat
bogs of North America and the Czech Republic.
Society of Wetland Scientists Annual Meeting, Kansas City, June 1996.
Wieder, R.K. 1996. Within-wetland acidity and alkalinity generation -
The biogeochemical key to understanding wetland
treatment of acid mine drainage. Fourth
International Symposium on the Geochemistry of the Earth's Surface, Invited
Keynote Speaker for Symposium IV: Anthropogenic
Geochemical Impacts on the Terrestrial Environment, Ilkley,
Yorkshire, England, July 1996
Vile, M.A., R.K. Wieder, and M. Novák. 1996. Historical rates of Pb,
Zn, and Cu deposition over the past 200 years for
eight sites across a pollution gradient in the
Czech Republic. Fourth International Symposium on the Geochemistry of the
Earth's Surface, Ilkley, England, July 1996.
(Poster).
Hornberger, R.J., M.J. Getto, R.K. Wieder, S.A. Calpin, D.J. Koury, and
M.D. Hill. 1995. Interrelationships among
citizens perception, blast design, blast
monitoring, meteorological and geological variables associated with the operation
of a limestone/domomite quarry in suburban
southeastern Pennsylvania. Pennsylvania Blasters' Conference, University
Park, Pennsylvania.
Wieder, R.K., J.B. Yavitt, C. Gasda, S.T. Starr and C. Williams. 1995.
Tetrazolium does not measure electron transport
activity in Sphagnum-derived peat.
Society of Wetland Scientists Annual Meeting, Boston, Massachusetts, June 1995.
Vile, M.A. and R.K. Wieder. 1995. Mobility of Pb in Sphagnum-derived
peat when subjected to experimentally
manipulated water table regimes. Society of
Wetland Scientists Annual Meeting, Boston, Massachusetts, June 1995.
Novák, M. and R.K. Wieder. 1994. Sulphur diagenesis in freshwater
peatlands. Wm. Goldschmidt Conference - An
International Conference for the Advancement of
Geochemistry, Edinburgh, Scotland, September 1994. Abstracts:
Mineralogical Magazine, 655-656.
Wieder, R.K. and S.T. Starr. 1994. Organic matter quality depth
profiles in northern (Ontario, Minnesota) and southern
(Pennsylvania, West Virginia) Sphagnum
peat deposits. Ecological Society of America Annual Meeting, Knoxville,
Tennessee, August 1994.
Starr, S.T. and R.K. Wieder. 1994. Quantitative determination of
organic matter quality in freshwater Sphagnum-derived
peat. Ecological Society of America Annual
Meeting, Knoxville, Tennessee, August 1994. (Poster)
Wieder, R.K. and S.T. Starr. 1994. Fate of photosynthetically fixed 14CO2
in a boreal and temperate peatland: Implications
for the response of peatland ecosystems to
global climate change. Society of Wetland Scientists Annual Meeting,
Portland, Oregon, June 1994.
Vile, M.A. and R.K. Wieder. 1994. Differentiation of historical Pb
sources in the Czech Republic through analysis of
Sphagnum peat cores. Society of
Wetland Scientists Annual Meeting, Portland, Oregon, June 1994.
Wieder, R.K. and F.J. Taddeo. 1993. Sulphur cycling in wetlands exposed
to exceptionally elevated S inputs from acid
coal mine drainage. BIOGEOMON, Symposium on
Ecosystem Behaviour, Prague, Czech Republic, September 1993.
(Invited).
Vile, M.A., R.K. Wieder, M. Novák, and W.R. Schell. 1993. Determining
historical metal deposition using 210Pb-dated
peat cores. BIOGEOMON, Symposium on Ecosystem
Behaviour, Prague, Czech Republic, September 1993. (Poster)
Wieder, R.K. 1993. Biogeochemical cycles relative to the bryophyte
layer in peatlands. In the Symposium on Bryophytes
of Peatlands. Botanical Society of
America/Canadian Botanical Association Meeting, Ames, Iowa. August 1993.
(Invited)
Novák, M. and R.K. Wieder. 1993. Mobility of sulphur during early
diagenesis in freshwater peat: Evidence from stable
sulphur isotopes. In G. Ĺberg and E.B.
Jörgensen, eds., Proceedings of the International Symposium on Applied Isotope
Geochemistry, Geiranger, Norway, September
1993. Institutt for Energiteknikk, Kjeller, Norway.
Novák, M.J.V., and R.K. Wieder. 1993. Sulfur depth profiles and stable
sulfur isotope ratios in cores from 9 Sphagnum-
derived peat deposits in the United States and
Czechoslovakia. Society of Wetland Scientists/American Society of
Limnologists and Oceanographers Meeting,
Edmonton, Alberta, June 1993. (Poster)
Wieder, R.K., M.J.V. Novák, and W.R. Schell. 1993. Vertical height and
dry mass accumulation over the past 100 years
in northern and southern Sphagnum peat
deposits, as determined by 210Pb dating of peat cores. Society of Wetland
Scientists/American Society of Limnologists and
Oceanographers Meeting, Edmonton, Alberta, June 1993. (Invited
symposium presentation)
Vile, M.A., M.J.V. Novák, R.K Wieder and W.R. Schell. 1993. Heavy
metal deposition over the past 200 years at 2
Sphagnum-derived peat bogs in
Czechoslovakia. Society of Wetland Scientists/American Society of Limnologists and
Oceanographers Meeting, Edmonton, Alberta, June
1993. (Poster)
Wieder, R.K. 1993. Constructed wetlands for acid mine drainage (AMD)
treatment - not promising for the long-term
effective treatment of particularly acidic (pH
< 4) water. Society of Wetland Scientists/American Society of Limnologists
and Oceanographers Meeting, Edmonton, Alberta,
June 1993. (Invited symposium presentation)
Yavitt, J.B., and R.K. Wieder. 1993. Production/emission relationships
for CO2 and CH4 in peat cores prior to
experimental flooding. ELARP (Experimental
Lakes Area Research Program) Symposium at the Society of Wetland
Scientists/American Society of Limnologists and
Oceanographers Meeting, Edmonton, Alberta, June 1993.
Wieder, R.K. 1992. Wetlands for mine drainage treatment. INTECOL IV
International Wetlands Conference, Ohio State
University, Columbus, Ohio. September 1992.
(Invited symposium presentation).
Schell, W.R., A. McGarry, M. Novák, P.I. Mitchell, and R.K. Wieder.
1992. Deposition History of Trace Metals and
Chernobyl Radionuclides in Wetland Ecosystems
using 210Pb Chronology. International Association of Theoretical and
Applied Limnology (Societas Internationalis
Limnolgias), Barcelona, Spain, September 1992.
Vile, M.A. and R.K. Wieder. 1992. Competition between iron reduction
and sulfate reduction in straw/manure, a commonly
used substrate in constructed wetlands for acid
coal mine drainage (AMD) treatment. Society of Wetland Scientists
Annual Meeting, New Orleans, Louisiana, June
1992.
Wieder, R.K., S.T. Starr and M.N. Linton. 1992. Input/output ion
budgets for constructed wetlands receiving acid coal
mine drainage (AMD) inputs. Society of Wetland
Scientists Annual Meeting, New Orleans, Louisiana, June 1992.
Novák, M., and R.K. Wieder. 1992. Mobility of sulfur during early
diagenesis of freshwater peats. 29th International
Geological Congress, Kyoto, Japan.
Yavitt, J.B. and R.K. Wieder. 1992. Control of methane fluxes in Sphagnum-dominated
peatlands. Abstract: EOS
Transactions 73:64. American Geophysical Union
meeting, Montreal, Quebec, May 1992.
Taddeo, F.J. and R.K. Wieder. 1992. Sulfur cycling in constructed
wetlands exposed to acid mine drainage. American
Society of Limnology and Oceanography Annual
Meeting, Santa Fe, New Mexico, February 1992. (Invited)
Vile, M.A. and R.K. Wieder. 1991. Biological alkalinity generation in
wetlands constructed for acid mine drainage
treatment. Second International Conference of
the Abatement of Acidic Drainage, Montreal, Canada, September 1991.
(Poster)
Taddeo, F.J. and R.K. Wieder. 1991. Accumulation of iron sulfides in
wetlands constructed for acid coal mine drainage
(AMD) treatment. Second International
Conference of the Abatement of Acidic Drainage, Montreal, Canada, September
1991. (Poster)
Wieder, R.K. 1991. Spatial and temporal patterns in surface and
subsurface water chemistry in five wetlands constructed
for acid coal mine drainage (AMD)
treatment. Second International Conference of the Abatement of Acidic Drainage,
Montreal, Canada, September 1991. (Poster)
Poliero, J.P. and R.K. Wieder. 1991. Growth and needle tissue chemistry
of Pinus rigida populations on serpentine and
nonserpentine soils. Ecological Society of
America Annual Meeting, San Antonio, TX, August 1991.
Wieder, R.K. and S.J. Wright. 1991. Mass balance estimates of litter
decomposition in a moist forest on Barro Colorado
Island, Panama: Effects of dry-season
irrigation. Association for Tropical Biology Annual Meeting, San Antonio, TX,
August 1991.
Wieder, R.K. 1991. Iron retention in wetlands constructed for acid coal
mine drainage (AMD) treatment: Short-term
responses to a major precipitation event.
Ecological Society of America Annual Meeting, San Antonio, TX, August 1991.
Sanguinetti, E. and R.K. Wieder. 1991. Vegetation and plant community
distribution in two adjacent but contrasting
Pocono Mountain wetlands. Society of Wetland
Scientists Annual Meeting. Ann Arbor, MI, May 1991.
Wieder, R.K. 1991. Diel changes in Fe2+ and Fe3+
concentrations in acid mine drainage (AMD) passing through
constructed wetlands. Society of Wetland
Scientists Annual Meeting. Ann Arbor, MI, May 1991.
Wieder, R.K. 1991. Sulfur cycling/decomposition in Big Run Bog, WV.
Symposium on Appalachian Mountain Bogs and
Fens, Association of Southeastern Biologists
& Society of Wetland Scientists. Boone, NC, April 1991. (Invited).
Wieder, R.K., M.N. Linton and S.T. Starr. 1991. Fractionation of Fe,
Al, and Mn by wet chemical sequential extraction in
organic substrates from wetlands exposed to
acid coal mine drainage. Symposium on Wetland Chemistry, American
Chemical Society Annual Meeting. Atlanta,
Georgia, April 1991. (Invited)
Wieder, R.K., M.N. Linton, and S.T. Starr. 1990. Effectiveness of
wetlands constructed with different types of organic
matter for acid coal mine drainage (AMD)
treatment. Ecological Society of America Annual Meeting, Salt Lake City,
Utah, August 1990.
Wieder, R.K., M.N. Linton, and K.P. Heston. 1990. Laboratory mesocosm
studies of metal retention in wetlands exposed
to synthetic acid coal mine drainage. Society
of Wetland Scientists Annual Meeting, Breckenridge, Colorado, June 1990.
(Invited presentation)
Wieder, R.K., M.N. Linton, and K.P. Heston. 1990. Using laboratory
mesocosms to evaluate the potential effectiveness of
constructed wetlands for acid mine drainage
treatment. 1990 Mining and Reclamation Conference, Charleston, WV,
April 1990.
Wieder, R.K. 1989. Is a negative carbon balance at Big Run Bog, West
Virginia a result of high sulfur deposition in acid
precipitation? Botanical Society of
America/Canadian Botanical Association Special Symposium entitled Wetlands:
Sensors of Environmental Change, AIBS Meeting,
August 1989. (Invited symposium presentation).
Wieder, R.K. and J.B. Yavitt. 1989. Assessing differences in anaerobic
carbon mineralization between two Appalachian
Sphagnum wetlands with reciprocal
peat transplants. Ecological Society of America Annual Meeting, August 1989.
Abstract: Bull. Ecol. Soc. Amer. 70:298.
O'Hara, E.M., R.K. Wieder, and S.J. Wright. 1989. Nutrient cycling
through litter in the tropical moist forest of Barro
Colorado Island, Panama (Poster). Ecological
Society of America Annual Meeting, August 1989. Abstract: Bull. Ecol.
Soc. Amer. 70:218.
Yavitt, J.B., R.K. Wieder, and S.J. Wright. 1989. Characteristics of
soils in a seasonally wet forest on Barro Colorado
Island, Panama. Association for Tropical
Biology Annual Meeting, August 1989.
Henrot, J., and R.K. Wieder. 1988. Biotic and abiotic factors affecting
Fe and Mn in peat exposed to acid mine drainage.
Soil Science Society of America Annual Meeting,
Anaheim, CA, November 1988.
Wieder, R.K., and K.M. Cichowski. 1988. Hydrogen sulfide emission from
Big Run Bog, WV. Ecological Society of
America Annual Meeting, August 1988. Abstract:
Bull. Ecol. Soc. Amer. 69: 342.
Wieder, R.K., J.B. Yavitt, and S.J. Wright. 1988. Evaluating N, P, and
S mineralization potentials in the seasonally wet
forests on Barro Colorado Island, Panama.
Association for Tropical Biology Annual Meeting, August 1988.
Yavitt, J.B., R.K. Wieder, and S.J. Wright. 1988. Nutrient fluxes
across the litter/soil interface in a lowland tropical moist
forest on Barro Colorado Island, Panama.
Association for Tropical Biology Annual Meeting, August 1988.
Yavitt, J.B., R.K. Wieder, and S.J. Wright. 1987. Soil chemical and
microbiological changes in a lowland tropical forest
over a 3 month dry season. Soil Science Society
of America Meeting, December 1987.
Wieder, R.K., K.P. Heston, E.M. O'Hara, and G.E. Lang. 1987. Aluminum
retention in a man-made wetland. Ecological
Society of America Annual Meeting. Abstract:
Bull. Ecol. Soc. Amer. 68: 446-447.
Yavitt, J.B., G.E. Lang, and R.K. Wieder. 1987. Patterns of methane
production and sulfate reduction in Sphagnum peat
from an Appalachian peatland. Ecological
Society of America Annual Meeting. Abstract: Bull. Ecol. Soc. Amer. 68: 453.
Yavitt, J.B., R.K. Wieder, and G.E. Lang. 1987. Changes in soil
chemical properties over the 3 month dry season in
lowland tropical moist forest in Panama.
Association for Tropical Biology Meeting, August 1987.
Wieder, R.K. 1987. Treatment of acid coal mine drainage using Sphagnum
wetlands: Facts versus artifacts. American
Geophysical Union, Session on Hydrologic Issues
in Wetland Research. Baltimore, MD. May 1987. Abstract: EOS,
Transactions of the American Geophysical Union
68: 325. (Invited paper).
Wieder, R.K. 1987. Treatment of acid mine drainage using wetlands:
Biological and chemical processes. 14th Annual West
Virginia Mining Symposium. Charleston, WV.
January 1987 (Invited paper).
Wieder, R.K., and G.E. Lang. 1986. Short-term fate of 35SO42-
in Sphagnum peat from Big Run Bog, WV. Ecological
Society of America Annual Meeting. Abstract:
Program IV International Congress of Ecology, p. 351.
Yavitt, J.B., R.K. Wieder, and G.E. Lang. 1986. Nutrient mineralization
potentials in lowland tropical forest soils on Barro
Colorado Island, Panama. Ecological Society of
America Annual Meeting. Abstract: Program IV International Congress
of Ecology, p. 361.
Austin, K.A., and R.K. Wieder. 1986. Effects of acid precipitation on
the growth and chlorophyll concentration of S. fallax
and S. henryense. Ecological
Society of America Annual Meeting. Abstract: Program IV International Congress of
Ecology, p. 81 (Poster).
Bisbing, R.C., and R.K. Wieder. 1986. Effects of high NO3-
and high SO42- concentrations in precipitation on leaf growth
in the pitcher plant, Sarracenia purpurea.
Ecological Society of America Annual Meeting. Abstract: Program IV
International Congress of Ecology, p. 92
(Poster).
Kearney, A.D., and R.K. Wieder. 1986. Growth of Sphagnum
species in acid coal mine drainage waters (AMD).
Ecological Society of America Annual Meeting.
Abstract: Program IV International Congress of Ecology, p. 197
(Poster).
Wieder, R.K., and G.E. Lang. 1986. Sulfur cycling in freshwater
wetlands. Page 6 in International Symposium on Ecology
and Management of Wetlands. Charleston, SC,
June 1986. (Invited paper).
Girts, M.A., G.E. Lang, and R.K. Wieder. 1986. Chemical retention in Sphagnum
wetlands during a late summer storm
event. Symposium on Freshwater Wetlands and
Wildlife. Savannah River Ecology Laboratory, March 1986.
Lang, G.E., R.K. Wieder, A.E. Whitehouse, and M.A. Girts. 1985.
Mitigating the chemical pollution of streams from acid
mine drainage by a Sphagnum-dominated
peatland. Page 22 in Ohio River Basin Consortium for Research and
Education, First Annual Symposium,
"Multimedia Interactions of Environmental Pollutants," November 1985.
Girts, M.A., G.E. Lang, and R.K. Wieder. 1985. Hydraulic flow rates in Sphagnum-dominated
Appalachian wetlands.
Page 383 in Proceedings of a Conference on
Wetlands and Water Management on Mined Lands. The Pennsylvania State
University, October 1985. (Poster).
Lang, G.E., and R.K. Wieder. 1985. The ability of freshwater wetlands
to chemically modify acid mine drainage:
mechanisms for removing hydrogen, iron, and
sulfate. Ecological Society of America Meeting. Abstract: Bull. Ecol. Soc.
Amer. 66:214.
Wieder, R.K., and G.E. Lang. 1985. Sulfur biogeochemistry in an
Appalachian peatland. American an Society of
Limnologists and Oceanographers Symposium:
Freshwater Wetland Biogeochemistry, June 1985. (Invited paper).
Wieder, R.K., and G.E. Lang. 1984. Distribution and abundance of iron
compounds in freshwater wetland peat:
Comparisons along an iron loading gradient.
Ecological Society of America Annual Meeting. Abstract: Bull. Ecol. Soc.
Amer. 65: 280.
Yavitt, J.B., R.K. Wieder, and G.E. Lang. 1984. Productivity and carbon
storage in a non-glaciated wetland in West
Virginia. Ecological Society of America Annual
Meeting. Abstract: Bull. Ecol. Soc. Amer. 65: 278.
Lang, G.E., and R.K. Wieder. 1984. The role of beaver in vegetation
patterning and development in Sphagnum-dominated
wetlands in West Virginia. Ecological Society
of America Annual Meeting. Abstract: Bull. Ecol. Soc. Amer. 65: 243.
Whitehouse, A.E., G.E. Lang, and R.K. Wieder. 1984. Sphagnum-dominated
wetlands and acid mine drainage:
Implications for reclamation. 5th Annual
National Meeting, Society of Wetland Scientists. San Francisco, May 1984.
Wieder, R.K., and G.E. Lang. 1984. Iron biogeochemistry in freshwater
wetland peat. Ocean Sciences Meeting of the
American Geophysical Union, New Orleans,
January 1984. Abstract: EOS, Transactions of the American Geophysical
Union 64: 1067. (Invited paper).
Wieder, R.K., and G.E. Lang. 1983. Annual ion yields in streamflow from
three contrasting watersheds in the Appalachian
Mountains of West Virginia. Ecological Society
of America Annual Meeting. Abstract: Bull. Ecol. Soc. Amer. 64: 66.
Wieder, R.K., and G.E. Lang. 1982. Biogeochemical relationships in a Sphagnum-dominated
wetland in West Virginia.
Ecological Society of America Annual Meeting.
Abstract: Bull. Ecol. Soc. Amer. 63: 155.
Wieder, R.K., and G.E. Lang. 1980. Vegetation and water chemistry of a Sphagnum-dominated
wetland in West Virginia.
Ecological Society of America Annual Meeting.
Abstract: Bull. Ecol. Soc. Amer. 61: 57.
Miscellaneous Invited Presentations:
Groundbreaking Ceremony speaker for expansion and renovation of the
Mendel Science Complex, Villanova University,
Spring 1997.
Ecological Society of Villanova and the Villanova Student Government
Association, "Your Professors Talk Contemporary
Ecological Issues," "Global
Warming, It's Harder to Detect with your Head in the Sand," Fall 1994.
McKaig Nature Education Center, King of Prussia, PA, Annual Board
Meeting, "Arboreal Vegetation of McKaig Woods,"
November 1992.
Its Your Earth, Upper Merion Township (PA) Environmental Forum,
"Ecological Values of Wetlands," April 1992.
Philadelphia Botanical Club Centennial Celebration Symposium: Wetland
Flora: Diversity, Function, and Importance.
London Grove, PA, November 1991.
U.S. Office of Surface Mining, Reclamation, and Enforcement, Abandoned
Mine Lands Conference Symposium on
Wetland Treatment of Mine Drainage,
Breckenridge, Colorado, September 1990.
Kentucky Academy of Sciences Symposium, Innovative Applications of
Constructed Wetlands, University of Kentucky,
July 1990.
RAMP (Rural Abandoned Mine Program) Managers Workshop, Beckley, WV,
October 1988; dinner speaker, "Using
Wetlands for Treatment of Mine Related
Pollutants."