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Curriculum Vitae

Joel W. Snodgrass, Ph.D. email: jsnodgrass@towson.edu
Professor of Biology Phone: (410) 704-5033
Towson University FAX: (401) 704-2405
8000 York Road
Towson, Maryland 21252

Education

Positions

Grants

Publications

Invited seminars

Presentations
Education   

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B.S. 1985: Guilford College.  Major in Biology
M.S. 1990: University of Central Florida.  Major in Zoology
Ph.D. 1996: University of Georgia (Institute of Ecology).  Major in Ecology
Positions 

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August 2008 – present Professor, Department of Biological Sciences, Towson University

August 2004 – August 2008:

Associate Professor, Department of Biological Sciences, Towson University

August 1999 – August 2004:

Assistant Professor, Department of Biological Sciences, Towson University

June 1996 – August 1999:

Postdoctoral Research Associate, Division of Life Sciences and Environmental and Occupational Health Sciences Institute, Rutgers University, and Savannah River Ecology Laboratory, University of Georgia

August 1996 – May 1999:

Lecturer, Department of Biology and Geology, University of South Carolina-Aiken

June 1993 - June 1996:

DOE Graduate Laboratory Fellow, Savannah River Ecology Laboratory, University of Georgia

Sept. 1992 -- June 1993:

Graduate Laboratory (teaching) Assistant, Department of Biology, University of Georgia

Sept. 1991 - Sept. 1992:

Graduate Research Assistant, Savannah River Ecology Laboratory

Jan. 1991 - Sept. 1991:

Supervisor, Research, Management and Planning Section, Office of Natural Resources Management, Brevard County, Florida

Oct. 1987 - Jan 1991:

Environmental Resources Specialist, Office of Natural Resources Management, Brevard County, Florida

Sept. 1985 - Oct. 1987:

Environmental Resources Technician, Office of Natural Resources Management, Brevard County, Florida

Grants

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2008-2010: Integration of Stormwater Management Ponds into Urban Communities:  Long-term Water Quality Protection, Wildlife, and Environmental Awareness. USGS. PI-J. W. Snodgrass, Co-PIs-R. E. Casey, E. R. Landa, and S. M. Lev $187,474

2006: Chemical and Biological Impacts of Zinc and Road Salt from Road Runoff Entering Stormwater Retention Ponds.  USGS.  PI-R. E. Casey, Co-PIs-S. M. Lev, J. W. Snodgrass, and E. R. Landa $7,560

2004-2005: Physical Analysis of Water, Sediment and Soil from a Stormwater Pond.  USGS.  PI- S. M. Lev, Co-PIs-R. E. Casey, and J. W. Snodgrass $11,000

2005: Chemical and Biological Availability of Zinc in Road Runoff Entering Stormwater Retention Ponds.  USGS.  PI-R. E. Casey, Co-PIs-S. M. Lev, J. W. Snodgrass, and E. R. Landa $15,000

2004-2006: Acquisition of Instrumentation for an Urban Environmental Biogeochemistry Laboratory at Towson University.  NSF. PI-Ryan Casey, Co-PIs Steve Lev, Joel Snodgrass and Susan Gresens.  $208,000.

2004: Supplement: C-RUI: Cellular, Physiological and Life-History Responses of a Stream Fish, Blacknose Dace (Rhinichthys atratulus), to Urbanization.  NSF.  PI-Joel W. Snodgrass, Co-PIs Jay Nelson and Gail Gasparich.  $9,850.

2003: Phase IV: Development of an Impervious Surface Map of the Chesapeake Bay and Maryland Coastal Bays Watershed Using Landsat 7 ETM+ Imagery.  PI-John Morgan, III, Co-PIs-Kent Barnes, Martin Roberge, and Joel Snodgrass.  Raytheon Corporation, NASA.  $422,209

2002-2005: C-RUI: Cellular, Physiological and Life-History Responses of a Stream Fish, Blacknose Dace (Rhinichthys atratulus), to Urbanization.  NSF.  PI-Joel W. Snodgrass, Co-PIs Jay Nelson and Gail Gasparich.  $286,132.

2002-2004: Use of Stormwater Retention Ponds by Breeding Amphibians and Investigations of the Bioavailability of Metals to Larvae and Higher Trophic Levels.  USGS.  PI-Joel W. Snodgrass, Co-PIs—Ryan Casey and Donald Sparling.  $19,000

2002: Phase III: Development of an Impervious Surface Map of the Chesapeake Bay and Maryland Coastal Bays Watershed Using Landsat 7 ETM+ Imagery. PI-John Morgan, III, Co-PIs-Kent Barnes, Martin Roberge, and Joel Snodgrass.  Raytheon Corporation, NASA.  $620,000

2001: Phase II: Development of an Impervious Surface Map of the Chesapeake Bay and Maryland Coastal Bays Watershed Using Landsat 7 ETM+ Imagery. PI-John Morgan, III, Co-PIs-Kent Barnes, Martin Roberge, and Joel Snodgrass.  Raytheon Corporation, NASA. $639,336

2001: Spatial modeling of receptor species for ecological risk assessment activities at the SRS.  Department of Energy – ER, Savannah River Site. PI and co-PI on two areas (out of eight PI’s).  $8,000.

2001-2002: Consortium for Risk Evaluation With Stakeholder Participation II.  Department of Energy.  Subcontractor at ~ $20,000 to $30,000 annually through 2002.

2001: Investigation of the Relative Roles of Evolution and Plasticity in Producing Differences Among Stream Fish Populations Across an Urban-Rural Gradient.  Towson University Faculty Development and Research Committee. J. W. Snodgrass. $1,168

1998-2001: Enhancing Amphibian and Reptile Biodiversity on Golf Courses Through Use of Seasonal Wetlands. National Fish and Wildlife Foundation/U.S. Golf Association.  J. W. Gibbons, J. W. Snodgrass, D. E. Scott, T. J. Ryan, K. A. Buhlman co-investigators. ~ $60,000 for 3 yr.

1998: Studies of Urban-runoff Pollutants in Aquatic Systems of the Sand River Drainage of Hitchcock Woods.  The Hitchcock Foundation.  J. W. Snodgrass and C. J. Jagoe co- investigators.  $2,000

1996: Continued Monitoring of Fishes in Isolated Wetlands and Test of an Empirical Model to Predict Their Presence or Absence.  Savannah River Ecology Laboratory set aside grant.  J. W. Snodgrass, A. L. Bryan, Jr., and G. K. Meffe co-investigators. $3,350

1995: Investigation of Fishes in Isolated Wetlands.  Savannah River Ecology Laboratory set aside grant.  J. W. Snodgrass, A. L. Bryan, Jr., and G. K. Meffe co- investigators. $3,000

1994-1996: DOE Laboratory Graduate Fellowship

1994: Diversity Patterns of Fishes in Isolated Wetlands.  Savannah River Ecology Laboratory set aside grant.  J. W. Snodgrass, A. L. Bryan, Jr., and R. F. Lide co- investigators $3,000

1993: Savannah River Ecology Laboratory Short-term Research Program Participant

1990: Marine Sanitation Device Use Patterns and Their Possible Effects on Water Quality in the Indian River Lagoon. Florida Department of Environmental Regulation, Office of Coastal Zone Management.  J. W. Snodgrass investigator. $26,400

Publications

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Book Chapters

Snodgrass, J. W., R. E. Casey, J. A. Simon, and K. Gangapura. 2008. Ecotoxicology of Amphibians and Reptiles in Urban Environments: An Overview of Potential Exposure Routes and Bioaccumulation. Pages 177-196 in J. C. Mitchell, R. E. Jung Brown and Breck Bartholomew, editors. Urban Herpetology. Herpetological Conservation. Number 3. Society for the Study of Amphibians and Reptiles, Salt Lake City, Utah.

Snodgrass, J. W.  2004.  Wetlands Wildlife and Fisheries: A Biological Perspective of Wetland Ecosystems.  Pages 3-29 in S. Spray and K. McGlothlin, editors. Exploring Environmental Challenges: A Multidisciplinary Approach. Wetlands.  Rowman & Littlefield Publishers, Inc, Lanham, Maryland.

Snodgrass, J. W., and J. Burger. 2001.  Management of wetland fish populations: Population maintenance and control. Pages 357-386 in R. B. Rader, D. Batzer, and S. Wissinger, editors. Biomonitoring and Management of North American Freshwater Wetlands. John Wiley & Sons, Inc., New York.

Peer Reviewed

In press

 

2009

Simon, J. A., J. W. Snodgrass, R. E. Casey, and D. W. Sparling. 2009. Spatial correlates of amphibian use of constructed wetlands in an urban landscape. Landscape Ecology 24:361-373.

Camponelli, K. M., R. E. Casey, J. W. Snodgrass, S. M.Lev, E. R. Landa. 2009. Impacts of weathered tire debris on the development of Rana sylvatica larvae. Chemosphere 74:717-722.

2008

Lev, S. M., E. R. Landa, K. Szlavecz, R. Casey, and J. Snodgrass. 2008. Application of synchrotron methods to assess the uptake of roadway-derived Zn by earthworms in an urban soil. Mineralogical Magazine 72:33-37.

Snodgrass, J. W., R. E. Casey, D. Joseph, and J. A. Simon.  2008.  Microcosm investigations of stormwater pond sediment toxicity to embryonic and larval amphibians: Variation in sensitivity among species.  Environmental Pollution 154:291-297.

Nelson, J. A., P. S. Gotwalt, C. A. Simonetti, and J. W. Snodgrass. 2008. Environmental correlates, plasticity and repeatability of differences in performance of blacknose dace (Rhinichthys atratulus) across a gradient of urbanization.  Physiological and Biochemical Zoology 81:25-42. [PDF]

2007

Snodgrass, J. W., D. C. Forester, M. Lahti, and M. Lehman.  2007.  Dusky salamander (Desmognathus fuscus) nest-site selection over multiple spatial scales.  Herpetologica 63:441-449. [PDF]

Chattin, E., D. C. Forester, and J. W. Snodgrass.  2007.  Distribution of a rare salamander, Eurycea junaluska: Implications for past impacts of river channelization and impoundment.  Copeia 2007:952-958. [PDF]

Otto, C. R. V., J. W. Snodgrass, D. C. Forester, J. C. Mitchell, and R. W. Miller.  2007.  Climatic Variation and the Distribution of an Anuran Polyploid Complex.  Journal of Animal Ecology 76:1053-1061. [pdf]

Hopkins, W. A., L. B. Hopkins, J. Unrine, J. W. Snodgrass, J. D. Elliot.  2007.  Mercury Concentrations in Tissues of Osprey From the Carolinas, USA.  Journal of Wildlife Management 71:1819-1829. [PDF]

Jakes, A. J., J. W. Snodgrass, and J. Burger.  2007.  Beaver (Castor canadensis) impoundment associated with geomorphology of southeastern streams.  Southeastern Naturalist 6:271-282. [PDF]

Otto, C. R. V., D. C. Forester, and J. W. Snodgrass.  2007.  Influences of Wetland and Landscape Characteristics on the Distribution of Carpenter Frogs.  Wetlands 27:261-269. [PDF]

Massal, L. R., J. W. Snodgrass, and R. E. Casey.  2007.  Nitrogen pollution of stormwater ponds: Potential for toxic effects on amphibian embryos and larvae.  Applied Herpetology 4:19-29. [PDF]

Casey, R. E., J. A. Simon, S. Atueyi, J. W. Snodgrass, N. Karouna-Renier, D. W. Sparling.  2007.  Temporal trends of trace metals in sediment and invertebrates from stormwater retention ponds.  Water, Air, and Soil Pollution 178:69-77. [PDF]

2006

Forester, D. C., J. W. Snodgrass, K. Marsalek , and Z. Lanham.  2006.  Post-Breeding dispersal and summer home range of female American Toads (Bufo americanus).  Northeastern Naturalist 13:59-72. [PDF]

2005

Forester, D. C., C. L. Anders, A. M.Struzinski, and J. W. Snodgrass.  2005.  Are brooding salamanders able to differentiate the developmental status of their eggs? Herpetologica 61(3):219-224. [PDF]

Snodgrass, J. W., W. A. Hopkins, B. P. Jackson, J. A. Baionno and J. Broughton.  2005.  Influence of larval period on responses of overwintering green frog (Rana clamitans) larvae exposed to contaminated sediments.  Environmental Toxicology and Chemistry 24(6):1508-1514.  [pdf]

Bryan, A. L. Jr., J. W. Snodgrass, J. R. Robinette, and L. B. Hopkins.  2005.  Parental activities of nesting Wood Storks relative to time of day, tide level and breeding stage.  Waterbirds 28(2):138-144. [PDF]

Casey, R. E., A. N. Shaw, L. R. Massal, and J. W. Snodgrass.  2005.  Multimedia evaluation of trace metal distribution within stormwater retention ponds in suburban Maryland, USA.  Bulletin Of Environmental Contamination And Toxicology 74(2):273-280. [PDF]

Hopkins, W. A., J. W. Snodgrass, J. A. Baionno, J. H. Roe, B. P. Staub, and B. P. Jackson.  2005.  Functional relationships among selenium concentrations in the diet, target tissues, and nondestructive tissue samples of two species of snakes.  Environmental Toxicology and Chemistery 24(2):344-351. [PDF]

2004

Roe, J. H., W. A. Hopkins, J. W. Snodgrass, J. D. Congdon.  2004.  The influence of circadian rhythms on pre- and post-prandial metabolic estimates in the snake Lamprophis fuliginosus. Comparative Biochemistry and Physiology 139:159-168. [PDF]

Hopkins, W. A., B. P. Staub, J. W. Snodgrass, B.E. Taylor, A.E. DeBiase, J. H. Roe, B. P. Jackson, and J. D. Congdon.  2004. Responses of benthic fish exposed to contaminants in outdoor microcosms: Examining the ecological relevance of previous laboratory toxicity tests.  Aquatic Toxicology 68:1-12. [PDF]

Snodgrass, J. W., W. A. Hopkins, J. Broughton, D. Gwinn, J. A. Baionno, J. Burger.  2004.  Species-specific responses of developing anurans to coal combustion wastes.  Aquatic Toxicology 66:171-182. [PDF]

Burger, J., K. F. Gaines, C. S. Boring, J. Snodgrass, W. J. Stephens, and M. Gochfeld.  2004.  Effects of cooking on Radiocesium in fish from the Savannah River: Exposure differences for the public.  Archives of Environmental Contamination and Toxicology 46:231-235. [PDF]

2003

Snodgrass, J. W., W. A. Hopkins, and J. H. Roe.  2003.  Relationships among developmental stage, metamorphic timing, and concentrations of elements in bullfrogs  (Rana catesbeiana).  Environmental Toxicology and Chemistry 22:1597-1604. [PDF]

Nelson, J. A., P. S. Gotwalt, and J. W. Snodgrass.  2003.  Swimming performance of blacknose dace (Rhinichthys atratulus) mirrors home-stream current velocity.  Canadian Journal of Fisheries and Aquatic Sciences 60:301-308. [PDF]

Hopkins, W. A., J. W. Snodgrass, B. P. Staub, B. P. Jackson, and J. D. Congdon.  2003.  Altered swimming performance of a benthic fish (Erimyzon sucetta) exposed to contaminated sediments.  Archives of Environmental Contamination and Toxicology 44:383-389. [PDF]

2002

Fraker, M., J. W. Snodgrass, and F. Morgan.  2002.  Differences in growth and maturation of blacknose dace (Rhinichthys atratulus) across an urban-rural Gradient.  Copeia 2002:1122-1127. [PDF]

Brant, H. A., C. H. Jagoe, J. W. Snodgrass, A. L. Bryan Jr., and J. C. Gariboldi.  2002.  Potential Risk to Wood Storks (Mycteria Americana) from mercury in Carolina bay fish.  Environmental Pollution 120:405-413. [PDF]

Burger, J., K. F. Gaines, W. L. Stephens, C. S. Boring, J. W. Snodgrass, C. Dixon, M. McMahon, S. Shukla, T. Shukla, and M. Gochfeld.  2002.  Metal levels in fish from the Savannah River: potential hazards to fish and other receptors.  Environmental Research 89 (1):85-97. [PDF]

Hopkins, W. A., J. H. Roe, J. W. Snodgrass,  B. P. Staub, B. P. Jackson, and J. D. Congdon.  2002.  Effects of chronic dietary exposure to trace elements on banded water snakes (Nerodia fasciata).  Environmental Toxicology and Chemistry 21(5):906-913. [PDF]

Hopkins, W. A., J. W. Snodgrass, J. H. Poe, B. P. Staub, D. E. Kling, B. P. Jackson, and J. D. Congdon.  2002.  Effects of food rations on lethal and sublethal responses of lake chubsuckers (Erimyzon sucetta) to coal combustion waste exposure.  Aquatic Toxicology 57(3):191-202. [PDF]

2001

Burger, J., K. F. Gaines, S. Boring, W. L. Stephens Jr., J. W. Snodgrass, and M. Gochfeld.  2001.  Mercury and Selenium in fish from the Savannah River: species, trophic level, and location differences.  Environmental Research Section A 87(2):108-118. [PDF]

Hopkins, W. A., J. H. Roe, J. W. Snodgrass, B. P. Kling, C. L. Rowe, and J. D. Congdon.  2001. Nondestructive indices of trace element exposure in squamate reptiles.  Environmental Pollution 115:1-7. [PDF]

Burger, J., and J. W. Snodgrass.  2001.  Metal levels in southern leopard frogs from the Savannah River Site: location and body compartment effects.  Environmental Research 86(2):157-166. [PDF]

Bryan, A. L. Jr., J. W. Snodgrass, J. R. Robinette, J. L. Daly, I. L. Brisbin Jr. 2001.  Nocturnal activity of post-breeding wood storks. The Auk 118:508-513. [PDF]

Burger, J., K. F. Gaines, J. Peles, W. L. Stephens Jr., C. S. Boring, I. L. Brisbin Jr., J. Snodgrass, L. Bryan, M. H. Smith, and M. Gochfeld.  2001.  Radiocesium in fish from the Savannah River and Steel Creek: potential food chain exposure to the public.  Risk Analysis 21:545-559. [PDF]

2000

Burger, J., and J. W. Snodgrass.  2000.  Oral deformities in several species of frogs from wetlands on the Savannah River Sites.  Environmental Toxicology and Chemistry 19:2519-2524. [PDF]

Snodgrass, J. W., A. L. Bryan Jr., and J. Burger.  2000.  Development of expectations of larval amphibian assemblage structure in southeastern depression wetlands.  Ecological Applications 10:1219-1229. [PDF]

Hopkins, W. A., J. W. Snodgrass, J. H. Roe, B. Jackson, J. C. Gariboldi, and J. D. Congdon. 2000. Detrimental effects associated with trace element uptake in lake chubsuckers (Erimyzon sucetta) exposed to polluted sediments. Archives of Environmental Contamination and Toxicology 39:193-199. [PDF]

Snodgrass, J. W., M. J. Komoroski, A. L. Bryan Jr., and J. Burger.  2000.  Relationships among isolated wetland size, hydroperiod and amphibian species richness: implications for wetland regulations.  Conservation Biology 14:414-419. [PDF]

Snodgrass, J. W., C. H. Jagoe, A. L. Bryan Jr., and H. Brant.  2000.  Effects of trophic status, and wetland morphology, hydroperiod and water chemistry on mercury concentrations in fish.  Canadian Journal of Fisheries and Aquatic Sciences 57:171-180. [PDF]

1999

Snodgrass, J. W., and G. K. Meffe.  1999.  Habitat use and temporal dynamics of blackwater stream fishes in and adjacent to beaver ponds.  Copeia 1999:628-639. [PDF]

Snodgrass, J. W., J. W. Ackerman, A. L. Bryan, Jr., and J. Burger.  1999.  Influence of hydroperiod, isolation and heterospecifics on the distribution of aquatic salamanders (Siren and Amphiuma) among depression wetlands.  Copeia 1999:107-113. [PDF]

1998

Burger, J., and J. W. Snodgrass.  1998.  Heavy metals in bullfrog (Rana catesbeiana) tadpoles: effects of clearing before analysis.  Environmental Toxicology and Chemistry 17:2203-2209. [PDF]

Snodgrass, J. W., and G. K. Meffe.  1998.  Influence of beaver ponds on stream fish assemblages: effects of pond age and watershed position.  Ecology 79:928-942. [PDF]

1997

Snodgrass, J. W.  1997.  Temporal and spatial dynamics of beaver-created patches as influenced by management practices in a southeastern landscape.  Journal of Applied Ecology 34:1043-1056. [PDF]

1996

Snodgrass, J. W., A. L. Bryan, Jr., R. F. Lide and G. M. Smith.  1996.  Factors affecting the occurrence and assemblage structure of fishes in isolated wetlands of the Upper Coastal Plain, USA.  Canadian Journal of Fisheries and Aquatic Sciences 53:443-454. [PDF]

1993 and before

Snodgrass, J. W., T. Townsend and P. Brabitz.  1993.  The status of Florida scrub and scrub jays in Brevard County, Florida.  Florida Field Naturalist 21:69-74.

Snodgrass, J. W.  1992.  Comparison of fishes occurring in algae and seagrass beds on the east coast of Florida.  Northeast Gulf Science 12:119-128.

Snodgrass, J. W.  1991.  Winter Kills of Tilapia melanotheron in coastal southeast, Florida, 1989.  Florida Scientist 54:85-86.

White, C., and J. W. Snodgrass.  1990.  Recent changes in the distribution of Caulerpa prolifera in the Indian River Lagoon, Florida.  Florida Scientist 53:85-88.
Invited Seminars

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Amphibian Communities in Urban Wetlands: Composition and Structuring Factors.  Baltimore Ecosystem Study Quarterly Research Meeting, University of Maryland Baltimore County, Baltimore, Maryland, 23 January 2008.

Potential Adaptations of a Minnow to Changes in the Stream Habitat Template Across a Rural-Urban Gradient.  Fall Seminar Series, Center for Urban Environmental Research and Education, University of Maryland Baltimore County, Baltimore, Maryland, 20 October 2006.

Stormwater Management Ponds as Wildlife Habitat: Benefits, Drawbacks and Tradeoffs.  Evening Lecture Series, Smithsonian Environmental Research Center, Edgewater, Maryland, 14 June 2006.

Changes in Habitat Templates and the Biology of a Stream Minnow Across a Rural-Urban Gradient.  Fall 2004 Seminar Series, Department of Geography and Environmental Systems, University of Maryland-Baltimore County.  Baltimore, Maryland, 29 September 2004.

Potential for incorporating hydrological and ecological reference conditions into assessment of stream restoration.  Manta Noon Seminars and Environmental Design Presentations, Maryland Department of Natural Resources, Annapolis, Maryland, 18 March 2004.

Effects of urbanization on blacknose dace (Rhinichthys atratulus) biology.  Army Corps of Engineers Economic and Environmental Analysis Conference 2002: Balancing Economy and Environment.  New Orleans, Louisiana, July 15-19, 2002.

Quantifying fish community response to urbanization: multivariate and multimetic approaches.  Army Corps of Engineers Economic and Environmental Analysis Conference 2002: Balancing Economy and Environment.  New Orleans, Louisiana, July 15-19, 2002.

Viewing Aquatic Systems as Landscapes.  Towson University, Department of Biological Sciences, Tri Beta Seminar Series, Towson, Maryland, May 8, 2001.

Wetlands, Wildlife and Regulations: Connections or Disconnects?  Severn River Association, Monthly Meeting, Annapolis, Maryland, February 20, 2001. 

Models of Animal Community Structure, Biological Monitoring, and Wetland Regulations: Developing the Connections.  Science Seminar Series, Smithsonian Environmental Research Center, Edgewater, Maryland, January 11, 2001.

Models of Wetland Community Structure and Their Implications for Biological Monitoring and Wetland Regulations.  Frank Family Science Center Dedication, Guilford College, Greensboro North Carolina, October 27, 2000.

Viewing aquatic systems as landscapes.  Division of Forestry and Wildlife, West Virginia University, Morgantown, West Virginia, March 23, 2000.

Predicting Risk to Wading Birds from Consuming Mercury-Contaminated Fish: A Spatial Perspective.  Department of Biological Sciences, Towson University, Towson, Maryland, March 15, 1999.

Predicting Risk to Wading Birds from Consuming Mercury-Contaminated Fish: A Spatial Perspective.  Department of Biology, Southeast Missouri State University, Cape Girardeau, Missouri, February 5, 1999.

Influence of Wetland Hydroperiod on Fish Distribution and Ecotoxicology.  School of Biological Sciences, Louisiana Tech University, Ruston, Louisiana, January 14, 1999.

Relationship Among Hydroperiod, Fish Presence, and Reproductive Characteristics of Amphibians in Southeastern Depression Wetlands.  Effects of Fisheries Management on the Amphibians and Other Biota of Wilderness Lakes, Flathead Lake Biological Station, Polson, Montana, October 16-18, 1998.

Communities as receptors: Detecting change and identifying sources.  Integrating Risk, Restoration and Future Use of the Savannah River Site, Savannah River Ecology Laboratory Conference Center at SRS, Aiken, South Carolina, September 10-11, 1997.

Comparison of multimetric and multivariate methods in the assessment of stream ecosystem integrity using fish assemblages.  Department of Ecology and Evolution, Spring Seminar Series, Rutgers University, New Brunswick, New Jersey, March 14, 1997.

Incorporating the index of biological integrity into ecological risk assessment: a general approach.  Consortium for Risk Assessment With Stakeholder Participation, Environmental and Occupational Health Science Institute, Rutgers University, Piscataway, New Jersey, March 13, 1997.

The influence of beaver ponds on the temporal and spatial dynamics of southeastern stream fish assemblages.  Savannah River Ecology Laboratory Summer Seminar Series, Aiken, South Carolina, 1 August 1996.
Presentations

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Snodgrass, J. W.  Implications of wetland landscape modification resulting from storm water retention ponds.  Joint Meeting of Ichthyologist and Herpetologist, Tampa, Florida, 6-11 July 2005.

Snodgrass, J. W.  A stochastic simulation model for investigating effects of stream network structure on stream fishes.  Joint Meeting of Ichthyologists and Herpetologists, Norman, Oklahoma, 26-31 May 2004.

Forester, D., J. W. Snodgrass, M. Lahti, and E. Lehman.  Nest site selection by the Northern Dusky Salamander (Desmognathus fuscus) over multiple spatial scales.  Joint Meeting of Ichthyologists and Herpetologists, Norman, Oklahoma, 26-31 May 2004.

Roberge, M., J. Snodgrass, and J. Morgan III.  Empirical Relationships between Impervious Surface Cover and Stream Hydrology and Geomorphology in the Baltimore Metropolitan Region.  TUgis04, Planning, Prevention, and Response: GIS and Homeland Security, Towson University, Towson, Maryland, 22-23 March 2004.

Martin R., J. W. Snodgrass, J. M. Morgan III. Empirical relationships between impervious surface cover, stream hydrology, and channel morphology. Annual Meeting of the Association of American Geographers. Philadelphia, Pennsylvania, 16 March 2004. 

Snodgrass, J. W., J. Morgan III, and Martin Roberge.  Empirical relationships between impervious surface cover and stream hydrology.  Mid-Atlantic Land Use/ Land Cover Conference, 8-9 January 2004, Towson University, Towson, Maryland.

Bryan, A. L., H. A. Brant, C. S. Romanek, C. H. Jagoe, J. C Gariboldi, J. W. Snodgrass.  Annual patterns of mercury concentrations in nestling Wood Storks in Georgia, USA: 1997-2003. Society of Environmental Toxicology and Chemistry, 24th Annual Meeting in North America, Austin Convention Center, Austin, Texas, 9-13 November 2003.

Hopkins, W. A., J. W. Snodgrass, J. Broughton, D. C. Gwinn, J. A. Baionno, and J. Burger.  Effects of coal combustion waste on survival and development of larval anurans.  Society of Integrative and Comparative Biology Annual Meeting, 4-8 January 2003, Toronto, Ontario.

Hopkins, W. A., J. W. Snodgrass, J. Broughton, D. C. Gwinn, J. A. Baionno, and J. Burger.  Effects of coal combustion waste on survival and development of larval anurans.  Society of Environmental Toxicology and Chemistry 23rd Annual Meeting in North America, November 16-20, 2002, Salt Lake City, Utah.

Snodgrass, J. W., W. A. Hopkins.  Effects of developmental stage and season of metamorphosis on trace elements in an anuran.  Society of Environmental Toxicology and Chemistry 23rd Annual Meeting in North America, November 16-20, 2002, Salt Lake City, Utah.

Snodgrass, J. W., and K. Lohnas.  Ecological effects of differences in predator avoidance behavior between populations of blacknose dace (Rhinichthys atromaculatus) from rural and urban areas.  Joint Meeting of Ichthyologist and Herpetologist, July 3-8, 2002, Kansas City, Missouri.

Hopkins, W. A., J. H. Roe, J. W. Snodgrass, B. P. Staub, B. P. Jackson, J. D. Congdon.  Effects of chronic trace elements exposure on banded water snakes.  Society of Environmental Toxicology and Chemistry 22nd Annual Meeting, 11-15 November 2001, Baltimore, Maryland.

Snodgrass, J. W., A. L. Bryan Jr., J. Burger.  Hydroperiod, landscape position and the occurrence of top predators in temporary habitats.  American Society of Limnology and Oceanography, Special Session on “Temporary Aquatic Habitats: Here Today, Gone Tomorrow (Spatial and Temporal Connections), 2001 Aquatic Sciences Meeting, February 12-16, 2001, Albuquerque, New Mexico.

Burger, J., K. F. Gains, C. S. Boring, W. Stephens, J. Snodgrass, and M. Gochfeld.  Risk from consuming fish from the Savannah River: Ethnicity affects consumption and risk from mercury.  Society of Environmental Toxicology and Chemistry, 21st Annual Meeting, , 2000.

Hopkins, W., J. Roe, B. Jackson, J. Snodgrass, L. Rania, and J. Congdon.  Snakes in the aquatic landscape: Useful models for addressing ecotoxicological problems.  Society of Environmental Toxicology and Chemistry, 21st Annual Meeting, , 2000.

Snodgrass, J. W., C. H. Jagoe, A. L. Bryan Jr. and J. Burger.  Wetland morphology, hydrology, and landscape position: Implications for constructed wetlands.  Wetlands & Remediation: An International Conference. Salt Lake City, Utah, November 16-17, 1999.

Jagoe, C. H., H. A. Brant, J. C. Gariboldi, A. L. Bryan Jr. and J. W. Snodgrass.  Factors affecting mercury bioaccumulation in Carolina bays in the southeastern United States.  (Poster) Society of Environmental Toxicology and Chemistry, 20th Annual Meeting, Philadelphia, Pennsylvania, November 14–18, 1999.

Burger, J., M. Gochfeld, and J. W. Snodgrass.  Oral deformities in several species of frogs from Wetlands on the Savannah River Site.  (Poster) Society of Environmental Toxicology and Chemistry, 20th Annual Meeting, Philadelphia, Pennsylvania, November 14–18, 1999.

Snodgrass, J. W., C. H. Jagoe, and J. Burger.  Relative role of habitat alteration and metal pollution in degrading southeastern streams.  Baltimore Ecosystem Study 2nd Annual Scientific Meeting, Baltimore, Maryland, October 14-15, 1999.

Jagoe, C. H., H. A. Brant, J. C. Gariboldi, A. L. Bryan Jr., and J. W. Snodgrass.  Mercury in Carolina bays in the southeastern United States.  Mercury as a Global Pollutant, 5th International Conference, Rio de Janeiro, Brazil, May 23-28, 1999.

Snodgrass, J. W., J. M. Aho, and J. Burger.  Fish assemblage structure in a headwater stream 15 years after thermal effluent removal.  Annual Meeting of the American Society of Ichthyologists and Herpetologists, Seattle, Washington, June 26-July 2, 1997.

Snodgrass, J. W.  The influence of beavers on spatial patterns of fish species diversity in streams: Do contemporary patterns reflect historical conditions.  Annual Meeting, Ecological Society of America, Providence, Rhode Island, August 10-14 1996.

Snodgrass, J. W.  Effects of pond age and watershed position on beaver pond fish assemblage structure.  Annual Meeting, American Society of Ichthyologist and Herpetologist, New Orleans, Louisiana, June 13-19, 1996.

Snodgrass, J. W.  Factors affecting the occurrence and assemblage structure of fishes in isolated wetlands of the Upper Coastal Plain, USA.  Annual Meeting, American Society of Ichthyologist and Herpetologist, Edmonton, Alberta, Canada, June 15-19, 1995.

Snodgrass, J. W.  Effect of beaver on stream fish diversity.  Annual Meeting, Society for Conservation Biology, Fort Collins, Colorado, June 7-11, 1995.

Snodgrass, J. W.  A conceptual view of the effects of beaver ponds on North American streams.  Annual Meeting, Ecological Society of America, Knoxville, Tennessee, August 7-11, 1994.

White, C., and J. W. Snodgrass.  Recent changes in the distribution of Caulerpa prolifera in the Indian River Lagoon, Florida.  Annual Meeting, Florida Academy of Science, Melbourne, Florida, March 22-24, 1990.

Snodgrass, J. W.  Comparison of fishes occurring in monotypic stands of algae and seagrass.  Annual Meeting, Florida Academy of Science, Melbourne, Florida, March 22- 24, 1990.

Snodgrass, J. W.  Caulerpa prolifera versus seagrass in the Indian River Lagoon: a comparison of fish faunas.  The Second Indian River Research Symposium, Melbourne, Florida, Sept. 12-13, 1988.

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