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Explore WARC's science publications.

Filter Total Items: 3339

Use of amphibians as indicators of ecosystem restoration success

No abstract available at this time
Authors
Kenneth G. Rice, Frank Mazzotti

Snakeheads (Pisces, Channidae): A biological synopsis and risk assessment

Snakeheads (family Channidae) are airbreathing freshwater fishes containing two genera, Channa with 26 species native to Asia, Malaysia, and Indonesia; and Parachanna with 3 species native to tropical Africa. Some snakeheads are small, reaching about 17 centimeters, but most are much larger, the largest reported to be 1.8 meters in length. All are considered thrust predators with most being pisciv
Authors
Walter R. Courtenay, James D. Williams

Cattle grazing and its long-term effects on sedge meadows

Most people think that wetlands are temporary, that they fill in by natural processes, and eventually become dry land. Some of these outdated ideas have come from the way that this subject has been covered in introductory textbooks in schools (Gibson, 1996). From these texts, we learned incorrectly that over time a lake fills with sediment or organic matter to become a wetland, which dries out to
Authors
Beth Middleton

Coefficients of productivity for Yellowstone's grizzly bear habitat

This report describes methods for calculating coefficients used to depict habitat productivity for grizzly bears in the Yellowstone ecosystem. Calculations based on these coefficients are used in the Yellowstone Grizzly Bear Cumulative Effects Model to map the distribution of habitat productivity and account for the impacts of human facilities. The coefficients of habitat productivity incorporate
Authors
David John Mattson, Kim Barber, Ralene Maw, Roy Renkin

Predicting the effects of hydrologic restoration on manatees along the southwest coast of Florida

No abstract available.
Authors
Brad Stith, Jim Reid, Susan M. Butler, Terry Doyle, Cathy Langtimm

Spatial decision support systems for landscape ecological evaluations in the Southwest Florida Feasibility Study

No abstract available.
Authors
Donald L. DeAngelis, Leonard Pearlstine, Frank J. Mazzotti, Tomma Barnes, Michael Duever, Janet Starnes