Curriculum Vitae    Donald E. Weller

Quantitative Ecologist

ADDRESS:

Smithsonian Environmental Research Center (SERC)
647 Contees Wharf Rd., P. O. Box 28
Edgewater, MD 21037-0028

Telephone:
Fax:
e-mail:

(443)-482-2214
(443)-482-2380
wellerd@si.edu

PROFESSIONAL INTERESTS:

Quantitative and theoretical ecology, ecosystem and landscape theory, modeling nutrient transport and cycling, wetland and stream assessment, geographic information systems, and scientific computing.

EDUCATION:

Public schools. Evansville , Indiana . 1958-1970.

 

B.A. 1974. Wabash College , Crawfordsville , Indiana . Major in biology, minor in chemistry.

 

Ph.D. 1985. University of Tennessee , Knoxville , Tennessee . Major in ecology. Dissertation title: A Mathematical and Statistical Analysis of the -3/2 Power Rule of Self-Thinning in Even-aged Plant Populations . Research advisors: Drs. R. H. Gardner and H. H. Shugart, Jr.

EXPERIENCE:

1997-present. Quantitative Ecologist. Smithsonian Environmental Research Center (SERC), Edgewater , Maryland.

 

1992-1997. Quantitative Ecologist and Computer Center Director. SERC.

 

1983-1992. Research Associate. SERC.

 

1978-1983. Pre-doctoral fellow in ecology. Oak Ridge National Laboratory, Oak Ridge , Tennessee .

 

1981. Teaching assistant in systems ecology. University of Tennessee .

 

1975-1978. Computer programmer and laboratory technician. Indiana University , Bloomington , Indiana .

SOCIETIES:

 

Ecological Society of America , International Association of Landscape Ecologists, International Society for Ecological Modelling, American Geophysical Union, American Institute of Biological Sciences.

HONORS AND

1999. Special Act Award for Exceptional Service, SERC.

AWARDS:

1996. Certificate of Award for Exceptional Service, SERC.

1994. Certificate of Award for Exceptional Service, SERC.

1985. Certificate of Award for Exceptional Service, SERC.

 

1985. Received Ph.D. Summa cum Laude .

 

1981. Phi Kappa Phi. University of Tennessee .

 

1978-1983. Pre-doctoral Fellowship, Oak Ridge National Laboratory.

 

1974. Mackintosh Fellowship for Graduate Study. Wabash College .

 

1974. Received B.A. Summa cum Laude and with distinction on comprehensive examinations. Wabash College .

 

1970-1974. Wabash College Honor Scholarship.

REVIEWS:

 

I have reviewed manuscripts and proposals for following journals and funding agencies
(reviews of book chapters are not listed):

Journals : American Journal of Botany , American Midland Naturalist, American Naturalist, Annals of Botany, Applied Ecology, Bioscience, Canadian Journal of Botany, Canadian Journal of Forest Research, Ecological Applications, Ecology, Ecosystems, Estuaries, Evolution, Evolutionary Theory, Forest Science, Journal of the North American Benthological Society, Journal of Ecology, Journal of Environmental Quality, Journal of Soil and Water Conservation, Journal of Theoretical Biology, Landscape Ecology, Nature, Oecologia, Oikos, Vegetatio

Funding agencies : Chesapeake Bay Program, Hudson Bay Foundation, National Science Foundation, U.S. Environmental Protection Agency, National Science and Engineering Research Council of Canada, U.S.D.A. National Research Initiative Competitive Grants Program, Maryland Dept. of Natural Resources, Cooperative Institute for Coastal and Estuarine Environmental Technology.

Funding panels : I served on grant review panels for the U.S.D.A. National Research Initiative Competitive Grants Program.

STUDENTS AND POSTDOCTORAL ASSOCIATES:

2004-present. Kathleen Boomer. Postdoctoral associate. Project title: Model enhancements and model comparisons for the Patuxent River watershed.

 

2002-present. Matthew Baker. Postdoctoral associate. Project title: Ecological and socioeconomic indicators for integrated assessment of aquatic ecosystems of the Atlantic slope .

 

2003 Michael Marshall. Masters Student at Clark University , Worcester , MA . Project title: Using modeled hydrology to predict nutrient discharge: the influence of soil saturation and indices of flow yield

 

2003 Kristina Herz. Pennsylvania State University . Project title: The effects of soil properties on nutrient concentrations in the Chesapeake Bay watershed.

 

2003. Kristina Herz. Pennsylvania State University . Project title: Effect of wetland presence, placement, and hydroperiod on nutrient concentrations in the Chesapeake Bay watershed.

 

2001-2003. Steven Walters. Postdoctoral associate (joint appointment with SERC and University of Maryland Department of Geography). Project title: Uncertainties in land cover classification and their effects on predicting nutrient discharges .

 

2002. Louise Willemen, Masters Student at Wageningen University , The Netherlands . SERC work/learn intern. Project title: Effects of soil properties on sediment and nutrient losses from complex landscapes .

 

2002. Doug Call, University of Virginia , Charlottesville. SERC work/learn intern. Project title: A nalyzing effects of map resolution on watershed metrics and their differences among physiographic Provinces of the Chesapeake Bay basin.

 

2002. James Graves, Earlham College . SERC work/learn intern. Project title: I mplications of stream map resolution for characterizing riparian buffers and their effects on nutrient discharge.

 

2002. Brianna Smith, Graduate of the University of Maryland , College Park . SERC work/learn intern. Project title: The Patuxent River watershed: assessing land cover classification accuracy and relationships between nutrient concentrations and land use .

 

2001. Kelly Dobbins, Graduate of the University of Miami . SERC work/learn intern. Project title: The mapping of the Upper Patuxent River basin : a comparison of land use classifications. .

 

2001. Michael Rubinstein, University of Maryland , College Park . SERC work/learn intern. Project title: a comparison between the predictions from the USGS (Cohn's) ESTIMATOR model and data from volume integrated sampling used at stations in the Rhode River watersheds .

 

2001. Melissa Mitchem, Graduate of the University of Iowa . SERC work/learn intern. Project title: Effects of uncertainties in land cover on modeling watershed nutrient discharge .

 

1996-2000. Zhi-Jun Liu . Postdoctoral associate. Project title: Modeling water and nutrient discharges from the Patuxent river watershed .

 

2000. Sohayla Hamon, Masters student at University of Arkansas . SERC work/learn intern. Project title: Analyzing land use change in the Muddy Creek drainage of the Rhode River watershed, MD.

 

2000 Amanda Bower. Pennsylvania State University . SERC work/learn intern. Project title: Using geographic data to assess wetland condition in the Nanticoke watershed .

 

1999. David Welch. Masters student at Indiana University . SERC work/learn intern. Project title: Empirical models for stream water nutrient concentrations in the Patuxent River basin .

 

1999. Karma Vowell. Masters student at Indiana University . SERC work/learn intern. Project title: Effects of near-stream land use on watershed nitrate export.

 

1998. Elizabeth Bricken. Warren Wilson College , Asheville , NC . Project title: Modeling the flow of nutrients in the Patuxent River basin . Expected bachelor's degree in Dec. 1999.

 

1998. Rooni Mathew. Masters student at Duke University . SERC work/learn intern. Project title: A stream flow routing model for the Patuxent River watershed.

 

1996. Barbara Lopez. University of California at Santa Cruz . SERC work/learn intern. Project title: Effects of soil properties on watershed discharges of water and nitrogen.

 

  1. Greg Smithhart. SERC work/learn intern. University of Texas at San Marcos . Project title: Effects of geology on material discharges from watersheds.

 

1995. Jacob Udel. Univ. of Md. Baltimore County . Senior project. Using neural network technology to assign land cover classes from Landsat images.

 

1994. Ian Thomas. George Washington University , Washington , DC. SERC work/learn intern. Project title: County level agricultural nitrogen budgets for the Chesapeake Bay watershed.

 

1994. Dann Sklarew, George Mason University . Smithsonian Graduate Fellow. Project title: The significance of atmospheric deposition and uncertainty in determining the nitrogen budget for a rural estuarine watershed .

 

1993. Michelle Coffee , Univ. of Texas at Austin . Research advisor. M. A. Degree Awarded December, 1993. Thesis title: Development of a spatially explicit hydrology model and the consequences of spatial data resolution on model performance .

 

1992. Michelle Coffee, Univ. of Texas at Austin . Smithsonian Graduate Fellow. Project title: Computer simulation modeling investigating the effects of land use on nitrogen discharges from agricultural watersheds .

 

1991. Michelle Coffee, Univ. of Texas at Austin . SERC work/learn intern. Testing algorithms for locating unmapped streams using digital elevation models.

 

1991. John Stone, Lynchburg College , VA. SERC work/learn intern. Project title: Vegetation patterns in two cropside riparian forests.

 

1990. Brian Hudgens, Pomona College , CA. SERC work/learn intern. Project titles (two projects): Tracing groundwater flow through a riparian forest, Nitrate reductase activity in riparian forest trees.

GRANTS AWARDED:

A watershed classification system for improved monitoring and restoration: landscape indicators of watershed impairment (LIWI). $856,819 over three years (SERC portion $406,819). 1/2004-12/2005. EPA ORD NCER 2002-STAR-B1. Co. P.I.s. T. E. Jordan, S. D. Prince, S. J.Goetz.

 

A shallow-water coastal habitat model for regional scale evaluation of management decisions in the Chesapeake region. $748,749 over three years. 1/2003-12/2005. Environmental Protection Agency, 2002-STAR-M1. Co. P.I.s. C. L. Gallegos, T. E. Jordan, J. P. Megonigal, P. J. Neale.

 

Data synthesis, model comparisons, and a risk-based decision support system for managing coastal systems exposed to multiple stressors , NOAA Coastal Ocean Program. 1/1/2003 through 12/31/2004 . Total budget $799,782 for 2 years, SERC portion, $215,678. Coordinated by the Academy of Natural Sciences Estuarine Research Center , 7 total P.I.s from 5 universities and research organizations. Co-P.I. on SERC portion: T. E. Jordan.

 

Ecological and socioeconomic indicators for integrated assessment of aquatic ecosystems of the Atlantic slope . Environmental Protection Agency. $6,000,000. 7/1/00-6/30/04. Team proposal by six institutions and 18 investigators, coordinated by R. P. Brooks, Penn. St. Univ. SERC portion $1,393,126. SERC Co-P.I.s: D. F. Whigham, C. L. Gallegos, A.H. Hines, T. E. Jordan, P. P. Marra

 

Effects of soil properties on water, sediment, and nutrient losses from complex landscapes. Smithsonian Institution Scholarly Studies Program. $68,000. 1/2000-12/2002. Location: SERC, Edgewater , MD. Time commitment: 10%. Co-P.I.s: D. L. Correll and T. E. Jordan.

 

Nanticoke Wetland Assessment Study . EPA, Corvallis , OR . $225,000. 1/1999-12/2002. Location: SERC, Edgewater , MD. Time commitment: 10%. Co-P.I.s. D. F. Whigham, T. E. Jordan.

 

NASA Interagency Agreement to support SERC participation in the Global Change Research Program's Data and Information System. $140,000. 9/1997-3/2004.

Mattawoman Creek Watershed: Nutrient and Sediment Dynamics . Charles County Planning Office. $309,926. 7/1997-6/2000. Co-P.I.s: D. L. Correll and T. E. Jordan.

Production of Nitrogen Gases in a riparian forests receiving cropland discharges. USDA-National Research Initiative Competitive Grants Program. $246,200. 7/1/95-6/30/98. Co-P.I.s: D. L. Correll and T. E. Jordan.

The importance of understanding ecological complexity to predicting effects of multiple stressors on coastal systems , NOAA Coastal Ocean Program. 3/1/1995 through 2/28/2001 . Total budget $6M for 5 years, SERC portion, $755,255. Coordinated by the Academy of Natural Sciences Estuarine Research Center , 18 total P.I.s from 10 universities and research organizations. Co-P.I.s on SERC portion: D. L. Correll and T. E. Jordan.

Relating Nutrient Discharges to Geology and Landscape Pattern in the Chesapeake Bay Watershed. National Science Foundation. $1,000,000. 4/1994-3/1999. Co-P.I.s: D. L. Correll and T. E. Jordan.

Nutrient discharges from the German Branch targeted watershed . $35K. Maryland Department of the Environment. 10/1/1993-9/30/1995. Co-P.I.s Correll and Jordan.

Factors Controlling Nutrients and Sediment Discharges from the Watershed of Chesapeake Bay . National Science Foundation, DEB-9206811. $199,902. 10/1/1992-3/31/1995. Co-P.I.s: D. L. Correll, T. E. Jordan, and D. Thompson.

GIS data capture for Rhode River watershed. Smithsonian Office of Information Resource Management special projects fund. $13,000. 10/1991-9/1992.

Denitrification and the Fate of Nitrogen Inputs to a Riparian Forest Receiving Agricultural Runoff. National Science Foundation, BSR-8917038. $599,741. 4/15/90-9/30/94. Co-P.I.s: D. L. Correll and T. E. Jordan.

Comparative study of nutrient and sediment trapping by Chesapeake Bay riparian zones . Maryland Department of the Environment. $247,263. 4/1990-4/1993. Co-P.I.s: D. L. Correll, and T. E. Jordan.

Factors controlling nutrient and sediment discharges from the watershed of the Chesapeake Bay . $626,299K. 10/1989-10/1992. Co-P.I.s: D. L. Correll, T. E. Jordan, D. Thompson.

Nutrient transformations along hydrologic gradients in a watershed and estuary. National Science Foundation, BSR-88-06082. $169,909. 10/1988-9/1989. Co-P.I.s: D. L. Correll, T. E. Jordan, and D. Thompson.

Nutrient Dynamics of the Rhode River Watershed and Estuary . National Science Foundation, BSR-86-15902, $199,919. 10/1987-9/1988. Co-P.I.s: D. L. Correll, A. H. Hines, T. E. Jordan, and D. F. Whigham.

PRESENTATIONS & WORKSHOPS

2002-2004. Member of the Steering Committee for the Chesapeake Research Consortium Community Modeling Project.

(SELECTED):

March 2004. Effects of land use and land use change on nutrient discharges from the Patuxent River watershed . Invited presentation at Horn Point Laboratory (HPL), University of Maryland Center for Environmental Science, Cambridge , MD. .

 

March 2004. Effects of land use and land use change on nutrient discharges from the Patuxent River watershed . Invited presentation at the Center for Coastal Physical Oceanography, Old Dominion University , Norfolk , VA.

 

Nov. 2003. Chesapeake Bay community watershed modeling system: issues and possible directions . Chesapeake Community Modeling Program 2003 Workshop, Virginia Institute of Marine Science, Gloucester Point , VA.

 

Oct. 2003. Landscape indicators of wetland condition in the Nanticoke River . Invited presentation at the Sixth Wetlands Workshop, Atlantic City , NJ .

 

May 2003. Effects of spatial patterns on nutrient discharges from watersheds . Tenth Cary Conference "Ecosystem Function in Heterogeneous Landscapes." Institute of Ecosystem Studies, Millbrook , New York .

 

May 2003. Invited Participant in the Tenth Cary Conference "Ecosystem Function in Heterogeneous Landscapes." Institute of Ecosystem Studies, Millbrook , New York .

 

April 2003. Nanticoke wetland assessment study: landscape analysis. Wetland condition and its implications for conservation efforts in the Nanticoke watershed: a stakeholder workshop. Adkins Arboretum, April 7, 2003 .

 

April 2003. Effects of land cover uncertainty on models predicting watershed nutrient discharges . The 18th Annual Symposium International Association for Landscape Ecology-US Chapter, Banff Centre , Alberta , Canada , April 2-6, 2003 .

 

Nov. 2002. Effects of land use and land use change on nutrient discharges from the Patuxent River watershed . Invited presentation for a session "Nutrients: from watershed to tidal waters" at the annual meeting of the Maryland Water Monitoring Council, Linthicum Heights , MD.

 

Sept. 2002. Effects of land use change on nutrient discharges from the Patuxent River watershed . Presented at the COASTES management workshop, Edgewater , MD.

 

May 2002. Effects of Land Use Change on Nutrient Discharges from the Patuxent River Watershed . Invited presentation for a session "Impacts of land use change: scientific issues and policy relevance" at the 2002 spring meeting of the American Geophysical Union. Washington , DC .

 

May 2001. Effects of land use change on nutrient discharges from the Patuxent River watershed. Invited presentation for a special session ?Land cover and land use change: implications for resource management? at the spring meeting of the American Geophysical Union. Boston , MA .

 

April 2001. Effects of riparian buffer configuration on nutrient inputs to streams . Invited presentation for the symposium ?Pattern and process in aquatic ecosystems: how patches and networks affect ecosystem function? at the annual meeting of the U.S. Chapter of the International Association for Landscape Ecology. Phoenix , AZ.

 

March 2001. Nutrient interception by riparian buffers . Invited presentation at the joint conference of the Pennsylvania chapters of The Wilderness Society and the American Fisheries Society. Milesburg , PA.

 

Nov. 1999. Effects of land cover and landscape arrangement on Chesapeake Bay watershed nutrient discharges . Invited presentation at the 1999 Forest Fragmentation Conference Balancing the Landscape: Retaining Forests in the Chesapeake Bay Watershed. Annapolis , MD.

 

July 1999. Heuristic models for material discharge from landscapes with riparian buffers . Quadrennial meeting of the International Association of Landscape Ecologists, July 1999, Snowmass , CO .

 

Oct. 1997. Invited participant in the National Site Index Committee Workshop. White House Office of Science and Technology Policy. National Wildlife Visitor Center . Laurel , MD.

 

June 1997. Invited participant in the workshop Analysis of Uncertainties in Nitrogen Loses from Forests in the Chesapeake Bay watershed . Science and Technical Advisory Committee (STAC) of the Chesapeake Bay Program and Appalachian Laboratory of the Univ. of Md. Center for Env. and Est. studies. Frostburg , MD.

 

Sept. 1996. Invited participant in the National Environmental Monitoring and Research Workshop. White House Office of Science and Technology Policy. Washington , DC .

 

Aug. 1996. Scale dependent success in quantifying cropland from satellite-based land cover data . 81st Annual ESA meeting, Providence , RI .

 

May 1996. Invited participant in the Patuxent Modelers Workshop. EPA CBP Office, Annapolis , MD.

 

1995. Invited participant in the Chesapeake Bay Telecommunications Workshop, Annapolis , MD.

 

Aug. 1994. Effects of spatial resolution on estimates of riparian forest distribution . 79th annual ESA meeting in Knoxville , TN.

 

Feb. 1994. Invited participant in a workshop on modeling nitrogen dynamics in forested watersheds. Organized by Oak Ridge National Laboratory for EPA Chesapeake Bay Program. Annapolis , MD.

 

Aug. 1993. Nutrient discharges from agricultural watersheds in the Piedmont and Coastal Plain regions of the Chesapeake Bay watershed . 78th Annual ESA meeting, Madison , WI .

 

Aug. 1993. Quantifying riparian forest distribution and its effects on landscape nutrient discharge . 78th Annual ESA meeting, Madison , WI .

 

Sept. 1992. Denitrification in riparian forests receiving agricultural runoff . Invited symposium presentation at INTECOL's IV International Wetlands Conference, Columbus , OH .

 

August 1992. Modeling the effects of variable riparian buffer width on nutrient discharge . 77th Annual ESA Meeting, Honolulu , HI .

 

June 1992. Invited participant in the USGS/LTER Joint Workshop on Hydrological Modeling. Denver , CO.

MUSEUM EXHIBITS AND EDUCATIONAL PROGRAMS:

2002. Presented lecture and hands on demonstration ?Relating watershed geography to nutrient discharges using geographic information systems (GIS)? to high school students attending the Youth Watershed Summit , SERC, Edgewater, MD.

 

1996 Contributed to Working at the Smithsonian . Festival of American Folklife, Smithsonian Institution, Washington , DC .

 

1993. Contributed to The Power of Maps . Smithsonian Institution International Center , Washington , DC.

PUBLICATIONS:

Weller, D. E., T. J. Jordan, D. L. Correll and Z.-J. Liu. 2003. Effects of land use change on nutrient discharges from the Patuxent River watershed. Estuaries 26:244-266.

 

Whigham, D. F., D. E. Weller, A. D. Jacobs, T. E. Jordan and M. E. Kentula. 2003. Assessing the ecological condition of wetlands at the catchment scale. Landschap 20:99-111.

 

Jordan, T. J., D. E. Weller and D. L. Correll. 2003. Sources of nutrient inputs to the Patuxent River estuary. Estuaries 26:226-243.

 

Correll, D. L., T. E. Jordan and D. E. Weller. 2001. Effects of precipitation and air temperature on organic carbon discharges from Rhode River watersheds. Water Air Soil Pollut. 128:139-159.

 

Correll, D. L., T. E. Jordan, and D. E. Weller. 2000. Dissolved silicate dynamics of the Rhode River watershed and estuary. Estuaries 23:188-198.

 

Correll, D. L., T. E. Jordan, and D. E. Weller. 2000. Beaver pond biogeochemical effects in the Maryland Coastal Plain. Biogeochem. 49:217-239

 

Correll, D. L., T. E. Jordan, and D. E. Weller. 2000. Transfer of phosphorus from the farm to the bay. Pages 131-142 in A. N. Sharpley, ed. Agriculture and phosphorus management The Chesapeake Bay. Lewis Publishers, Baca Raton , FL.

 

Lee, K.-Y., T. R. Fisher, T. E. Jordan, D. L. Correll, and D. E. Weller. 2000. Modeling the hydrochemistry of the Choptank River basin using GWLF and Arc/Info: I. Model Calibration and Verification. Biogeochem. 49:143-173

 

Liu, Z.-J., D. E. Weller, D. L. Correll, and T. E. Jordan. 2000. Effects of land cover and geology on stream chemistry in watersheds of Chesapeake Bay . J. Am. Water Res. Assn. 36:1349-1366.

 

Whigham, D. F., D. E. Weller and T. E. Jordan. 1999. Nanticoke wetland assessment study. EPA/600/R-98/175. U.S. Environmental Protection Agency, Western Division, National Health and Environmental Effects Laboratory, Corvallis , OR .

 

Correll, D. L., T. E. Jordan, and D. E. Weller. 1999. Effects of precipitation and air temperature on nitrogen discharges from Rhode River watersheds. Water Air Soil Pollut. 115:547-575

 

Correll, D. L., T. E. Jordan, and D. E. Weller. 1999. Effects of interannual variation in precipitation on stream discharge from Rhode River subwatersheds. J. Am. Water Res. Assn. 35:73-82.

 

Correll, D. L., T. E. Jordan, and D. E. Weller. 1999. Effects of precipitation and air temperature on phosphorus fluxes from Rhode River watersheds. J. Environ. Qual. 28:144-154.

 

Correll, D. L., T. E. Jordan, and D. E. Weller. 1999. Precipitation effects on sediment and associated nutrient discharges from Rhode River watersheds. J. Environ. Qual. 28:1897-1907.

 

Correll, D. L., T. E. Jordan, and D. E. Weller. 1999. Transport of nitrogen and phosphorus from Rhode River watersheds during storm events. Water Resour. Res. 35:2513-2521.

Weller, D. E., T. E. Jordan, and D. L. Correll. 1998. Heuristic models for material discharge from landscapes with riparian buffers. Ecol. Applic. 8:1156-1169.

Jordan, T. E., D. E. Weller, and D. L. Correll. 1998. Denitrification in the surface soils of a riparian forest: effects of water, nitrate, and sucrose additions. Soil Biol. Biochem. 30:833-843.

Jordan, T. J., D. L. Correll, and D. E. Weller. 1997. Relating nutrient discharges from watersheds to land use and streamflow variability. Water Resour. Res. 33: 2579-2590.

Correll, D. L., T. E. Jordan, and D. E. Weller. 1997. Failure of agricultural riparian buffers to protect surface waters from groundwater nitrate contamination. Pages 162-165 in J. Gibert, J. Mathieu and F. Fournier, eds. Groundwater/surface water ecotones: Biological and hydrological interactions and management options. Cambridge University Press, Cambridge , UK .

Correll, D. L. and D. E. Weller. 1997. Nitrogen input-output budgets for forests in the Chesapeake Bay watershed. Pages 431-442 in J. E. Baker, ed. Atmospheric deposition of contaminants to the Great Lakes and coastal waters. SETAC Press, Inc., Pensacola , FL.

Jordan, T. J., D. L. Correll, and D. E. Weller. 1997. Effects of agriculture on discharges of nutrients from coastal plain watersheds of Chesapeake Bay . J. Environ. Qual. 26:836-848.

Jordan, T. J., D. L. Correll, and D. E. Weller. 1997. Nonpoint source discharges of nutrients from Piedmont watersheds of Chesapeake Bay . J. Am. Water Res. Assn. 33:631-645.

Jordan, T. E. and D. E. Weller. 1996. Human contributions to terrestrial nitrogen flux. Bioscience 46:655-664.

Correll, D. L., T. E. Jordan, and D. E. Weller. 1995. Livestock and pasture land effects on the water quality of Chesapeake Bay watershed streams. Pages 107-117 in K. Steele, ed. Animal waste and the land-water interface. CRC Lewis Publishers, New York .

Correll, D. L., T. E. Jordan, and D. E. Weller. 1995. Long-term nitrogen deposition on the Rhode River watershed. Pages 508-518 in P. Hill and S. Nelson, eds. Toward a sustainable coastal watershed: The Chesapeake experiment. Chesapeake Research Consortium, Solomons, MD.

Correll, D. L., T. E. Jordan, and D. E. Weller. 1995. The Chesapeake Bay watershed: effects of land use and geology on dissolved nitrogen concentrations. Pages 639-648 in P. Hill and S. Nelson, eds. Toward a sustainable coastal watershed: The Chesapeake experiment. Chesapeake Research Consortium, Solomons, MD.

Jordan, T. E., D. L. Correll, D. E. Weller, and N. M. Goff. 1995. Temporal variation in precipitation chemistry on the shore of Chesapeake Bay . Water Air Soil Pollut. 83:263-284.

Correll, D. L., T. E. Jordan, and D. E. Weller. 1994. Coastal plain riparian forests: their role in filtering agricultural drainage. Pages 67-72 in J. A. Kuster and C. Lassonde, eds. Altered, artificial, and managed wetlands. Focus: agriculture and forestry. Association of State Wetland Managers, Berne , NY .

Weller, D. E., D. L. Correll, and T. E. Jordan. 1994. Denitrification in riparian forests receiving agricultural runoff. Pages 117-131 in W. J. Mitch, ed. Global Wetlands: Old World and New. Elsevier , New York .

Jordan, T. E., D. L. Correll, and D. E. Weller. 1993. Nutrient discharges from agricultural watersheds in the Piedmont and Coastal Plain regions of the Chesapeake Bay watershed. Bull. Ecol. Soc. Am. 74:300.

Jordan, T. E., D. L. Correll, and D. E. Weller. 1993. Nutrient interception by a riparian forest receiving inputs from adjacent cropland. J. Environ. Qual. 22:467-473.

Correll, D. L., T. E. Jordan, and D. E. Weller. 1992. Nutrient flux in a landscape: effects of coastal land use and terrestrial community mosaic on nutrient transport to coastal waters. Estuaries 15:431-442.

Correll, D. L., T. E. Jordan, and D. E. Weller. 1992. Cross media inputs to eastern US watersheds and their significance to estuarine water quality. Wat. Sci. Tech. 26:2675-2683.

Jordan, T. E., D. L. Correll, J. Miklas, and D. E. Weller. 1991. Nutrient dynamics at the interface of a watershed and estuary. Limnol. Oceanogr. 36:251-267.

Jordan, T. E., D. L. Correll, J. Miklas, and D. E. Weller. 1991. Long-term trends in estuarine nutrients and chlorophyll, and short-term effects of variation in watershed discharge. Mar. Ecol. Prog. Ser. 75:121-132.

Weller, D. E. 1991. The self-thinning rule: Dead or unsupported?--A Reply to Lonsdale. Ecology 72:747-750.

Correll, D. L. and D. E. Weller. 1990. Factors limiting processes in freshwater wetlands: an agricultural primary stream riparian forest. Pages 9-23 in R. R. Sharitz and J. W. Gibbons, eds. Freshwater wetlands and wildlife. Savannah River Ecology Laboratory, Aiken , SC.

Weller, D. E. 1990. Will the real self-thinning rule please stand up? Ecology 71:2004-2007.

Weller, D. E. 1989. The interspecific size-density relationship among crowded plant stands and its implications for the -3/2 power rule of self-thinning. Am. Nat. 133:20-41.

Weller, D. E. 1987. Self-thinning exponent correlated with allometric measures of plant geometry. Ecology 68:813-821.

Weller, D. E. 1987. A reevaluation of the -3/2 power rule of self-thinning. Ecol. Monogr. 57:23-43.

Jordan, T. E., D. L. Correll, W. T. Peterjohn, and D. E. Weller. 1986. Nutrient flux in a landscape: the Rhode River watershed and receiving waters. Pages 57-76 in D. L. Correll, ed. Watershed research perspectives. Smithsonian Institution Press, Washington , D.C.

Weller, D. E., W. T. Peterjohn, N. M. Goff, and D. L. Correll. 1986. Ion and acid budgets for a forested Atlantic coastal plain watershed and their implications for the impacts of acid deposition. Pages 392-421 in D. L. Correll, ed. Watershed research perspectives. Smithsonian Institution Press, Washington , D.C.

Weller, D. E., R. H. Gardner, and H. H. Shugart. 1985. A Mathematical and Statistical Analysis of the -3/2 Power Rule of Self-thinning in Even-aged Plant Populations. Oak Ridge National Laboratory, Oak Ridge , TN.

Weller, D. E., D. J. Anderson, D. L. DeAngelis, and C. C. Coutant. 1984. Rates of heat exchange in largemouth bass: experiment and model. Physiol. Zool. 57:413-427.

Weller, D. E. 1983. Analysis of the potential applications of computer modeling in the Smithsonian Environmental Sciences Program in Panama .

O'Neill, R. V., R. H. Gardner, and D. E. Weller. 1982. Chaotic models as representations of ecological systems. Am. Nat. 120:259-263.

Weller, D. E., W. N. Doemel, and T. D. Brock. 1975. Requirement of low oxidation-reduction potential for photosynthesis in a blue-green alga ( Phormidium sp.). Arch. Microbiol. 104:7-13.

Klug, W. S., and D. E. Weller. 1972. A computer simulation of a Drosophila transmission genetics experiment. Drosophila Information Service 49:134.