POWDERMILL IV - PROGRAM

Friday, 13 August, 1999

8:00 p.m. ------ Opening Social in the Phoenix Suite. Six well, wine or domestic beer tickets provided.

Saturday, 14 August, 1999

Session moderator: Vinny Burke

8:00 a.m. ------ Keynote Address in the Phoenix Suite. Anders G. J. Rhodin, Chelonian Research Foundation, "Celebrate the turtle: perception and preservation."

8:40 - 9:00 a.m. Ecological consequences of environmental sex determination in the diamondback terrapin, Willem M. Roosenburg, Ohio University

9:00 - 9:20 a.m. Microevolutionalry analyses of temperature-dependent sex determination, Fred Janzen, Iowa State University

9:20 - 9:40 a.m. Is TSD II in turtles an artifact? Nicole Valenzuela, SUNY, Stony Brook

9:40 - 10:00 a.m. Perspectives on a search for thermal developmental zero for turtle embryos, Michael A. Ewert, Indiana University

10:00 - 10:20 a.m. Break

Session moderator: Jeff Lovich

10:20 - 10:40 a.m. Where have you been? The Kinosternon subrubrum nesting story, Vincent Burke, University of Missouri

10:40 - 11:00 a.m. Preliminary observations on nesting in a Virginia wood turtle population, Thomas S. B. Akre, George Mason University

11:00 - 11:20 a.m. Age-dependent mate selection: the sexy grandmother hypothesis, Steven D. Garber, Embry-Riddle Aeronautical University

11:20 - 11:40 a.m. Geographic variation in the reproductive ecology of the western pond turtle (Clemmys marmorata), Dan C. Holland and R. H. Goodman, Jr., Camp Pendleton Amphibian and Reptile Survey

11:40 - 12:00 a.m. Seasonal cyclicity in reproductive physiology and oviductal morphology in the slider turtle, Trachemys scripta, Brent D. Palmer, University of Kentucky

12:00 - 12:20 p.m. Where have all the juveniles gone? R. Bruce Bury, USGS-BRD, Oregon

12:20 - 1:30 p.m. Picnic-style lunch buffet

Session moderator: Dawn Wilson

1:30 - 1:50 p.m. Hibernaculum fidelity and dispersal in New York spotted and bog turtles John. L. Behler, Wildlife Conservation Society, NY

1:50 - 2:10 p.m. Sonic tracking and hibernaculum fidelity in Vermont map turtles, Terry Graham, Worcester State College

2:10 - 2:30 p.m. Do Canadian spotted turtles really aestivate? Jacqueline D. Litzgus, Miami University, Ohio

2:30 - 2:50 p.m. Invasion of new aquatic habitats by male freshwater turtles, Tracey Tuberville, SREL, University of Georgia

2:50 - 3:10 p.m. Gopher tortoise biology: landscape to microhabitat selection, Henry R. Mushinsky, University of South Florida, Tampa

3:10 - 3:30 p.m. Fine-scale use of floodplain habitats by aquatic turtles, Russ Bodie, University of Missouri

3:30 - 3:50 p.m. Break

Session moderator: Dan Gist

3:50 - 4:10 p.m. Immune systems in turtles; the melanomacrophage, James L. Christiansen, Drake University

4:10 - 4:30 p.m. The turtle testis: primitive rodent or advanced frog, Daniel H. Gist, University of Cincinnati

4:30 - 4:50 p.m. Comparative analyses of functional relationships in the evolution of trophic morphology in the map turtle (Graptemys), Peter V. Lindeman, Madisonville Community College, Kentucky

4:50 - 5:10 p.m. The turtle integument: more diversity than you think, Bob Winokur, University of Nevada, Las Vegas

5:30 - 7:00 p.m. Mexican Buffet Dinner. Dinner presentation by Dick Vogt, San Andres Tuxtla, Veracruz. "I will not be outgraptemized."

7:30 - 9:00 p.m. River Cruise abroad the "Edgewater Belle." The cruise includes six drinks.

Session moderator: Jack Crayon

9:20 - 9:40 p.m. Experimental reductions in yolk reserves: are fitness components reduced? Rebecca Yeomans, SREL, University of Georgia

9:40 - 10:00 p.m. Growth of western pond turtles: comparisons over time and geography, David J. Germano, California State University, Bakersfield

10:00 - 10:20 p.m. Importance of dietary constraints in the nutritional ecology of turtles and tortoises, Hal Avery, USGS and University of California, Riverside

10:20 - 10:40 p.m. Activity and thermal ecology of Terrapene ornata at its southwestern range limits, Mike Plummer, Harding University

Sunday, 13 August, 1999

Breakfast on your own.

Session moderator: Kurt Buhlmann

8:00 - 8:20 a.m. Our little armored friends: protection of turtles and tortoises on army installations, a key resource for chelonian biodiversity protection, James R. Spotila, Chief Environmental Scientist Office, Washington D. C. (CANCELLED)

8:20- 8:40 a.m. Freshwater turtle conservation in global hot-spots and megadiversity countries, Russell A. Mittermeier, Conservation International, Washington D. C.

8:40 - 9:00 a.m. The Chelonian Research Institute: a demonstration project in chelonian systematics and conservation, Peter C. H. Pritchard, Chelonian Research Institute

9:00 - 9:20 a.m. Evaluating trends and recovery goals in turtle populations, Karen A. Bjorndal, University of Florida

9:20 - 9:40 a.m. The global turtle database and its role in conservation, Ross Kiester, USDA Forest Service, Corvallis

9:40 - 10:00 a.m. Using demographic data to access status of turtle populations, Richard C. Vogt, San Andres Tuxtla, Veracruz

10:00 - 10:20 a.m. Break

Session moderator: TBA

10:20 - 10:40 a.m. A review of conservation genetics in freshwater turtles, David Galbraith, McMaster University

10:40 - 11:00 a.m. Systematics of slider turtles, genus Trachemys, Michael E. Seidel, University of North Florida/Marshall University

11:00 - 11:20 a.m. Vicariant events and the evolution of batagurid river turtles in tropical Asia, Edward O. Moll, Eastern Illinois University

11:20 - 11:40 a.m. Searching for ancestral emydines B speculations on fossils and hybrids, James H. Harding, Michigan State University Museum

11:40 - 12:00 a.m. Turtle walkabouts: phylogeography and systematics of Australian chelid turtles, H. Bradley Shaffer, University of California, Davis

12:00 - 12:20 p.m. Phylogeography of wood turtles (Clemmys insculpta), Judith Rhymer, University of Maine, Orono (CANCELLED)

12:20 - 1:30 p.m. Deli-style lunch buffet

Session moderator: Dennis Herman

1:30 - 1:50 p.m. The pig-nosed turtle B caught between a rock and a hard place, Arthur Georges, University of Canberra, Australia

1:50 - 2:10 p.m. Ecology of the bog turtle, Clemmys muhlenbergi, in the southern states, Dennis W. Herman, North Carolina State Museum of Natural Sciences

2:10 - 2:30 p.m. The evolution of sexual size dimorphism and trophic specialization in the diamondback terrapin, Jeff Lovich, USGS, University of California, Riverside

2:30 - 2:50 p.m. Ecology of a freshwater turtle community at Ankarafantsika, Western Madagascar, Gerald Kuchling, University of Western Australia

2:50 - 3:10 p.m. How old is that turtle? An evaluation of the use of scute rings to estimate turtle age, Richard C. Tracy and Dawn S. Wilson, University of Nevada, Reno

3:10 - 3:30 p.m. Aging turtles: thoughts after two decades, George Zug, National Museum of National History, Smithsonian

3:30 - 3:50 p.m. Break

Session moderator: Jeff Lovich

3:50 - 4:10 p.m. Life history of ornate box turtles in the Nebraska sandhills, John B. Iverson, Earlham College

4:10 - 4:30 p.m. Peculiarities of life history of turtles on the northern frontier, Ronald J. Brooks, University of Guelph

4:30 - 4:50 p.m. Life history and ecology of Deirochelys reticularia, Kurt A. Buhlmann, SREL, University of Georgia

4:50 - 5:10 p.m. Estimates of abundance and survivorship in box turtles, Ken Dodd, USGS, Florida

5:30 - 7:00 p.m. Western Buffet Dinner. Dinner presentation by Don Moll, Southwest Missouri State University. "Don's brother, the turtle biologist." Reflections on Ed Moll's life in honor of his retirement.

7:30 - 7:50 p.m. Do turtles count?, J. Whitfield Gibbons, Savannah River Ecology Laboratory

7:50 - 8:20 p.m. Life history of painted turtles in Michigan, Justin D. Congdon, SREL, University of Georgia

8:20 - 8:40 p.m. On becoming a turtle biologist, Robert T. Zappalorti, Herpetological Associates, Inc., NJ

8:40 - 9:00 p.m. Basing taxonomy on range maps: a cautionary note (the Suwannee cooter story), Dale Jackson, Florida Natural Areas Inventory

9:00 - 9:20 p.m. Philosophy of the turtle II: an eastern perspective for the new millenium, Nat B. Frazer, University of Florida

9:30 - 12:00 p.m. Closing Social with six free drinks.