PRIMENet Amphibian Monitoring Program
SHENANDOAH AND BIG BEND NATIONAL PARKS
Amphibian declines worldwide have created a need for more extensive and standardized monitoring of amphibian populations and for elucidating underlying causes of amphibian declines (Heyer et al. 1994). In response to concerns about amphibian declines, a study evaluating and validating amphibian monitoring techniques was initiated in Shenandoah and Big Bend National Parks under the auspices of PRIMENet (Park Research and Intensive Monitoring of Ecosystems Network), an interagency effort of the EPA and NPS.* Principal investigators are Sam Droege (frog@usgs.gov), Robin E. Jung (robin_jung@usgs.gov), and John R. Sauer (john_r_sauer@usgs.gov).
All photographs are copyrighted and should not be used without permission from the photographer. Photographers' names are noted under the photos.
Survey Technique Protocols and Initial Results
 | Streamside Amphibians
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| Anurans |
All photographs are copyrighted and should not be used without permission from the photographer. Photographers' names are noted under the photos.
Survey Technique Protocols and Initial Results
| Night Driving Survey |
| Spring Survey |
| Rio Grande Canoe Survey |
| Frogloggers |
| Observer 1 vs. 2 |
| Tadpole Dye Capture-Recapture |
| Visible Implant Fluorescent Elastomer (VIE) Marking of Juvenile and Adult Frogs, Toads, and Spadefoots |
| UV Enclosure Experiment |
Protocols and Methods Used At Both Parks
| Museum Specimen Preparation |
| Amphibian Malformations, Diseases, and Parasites |
| Water Analyses |
* This website serves as a preliminary report to the Park Research and Intensive Monitoring of Ecosystems Network (PRIMENet) and to the Environmental Protection Agency (EPA). The contents do not represent a final report or publication and have not undergone scientific peer review.
Product Name Disclaimer: The use of trade names and the identification of vendors here or elsewhere in the document does not imply a U.S. Government endorsement.
Jung, R. E., R. D. Holmes, S. Droege, and J. R. Sauer. 1999. PRIMENet Amphibian Monitoring Program in Shenandoah and Big Bend National Parks. USGS Patuxent Wildlife Research Center, Laurel, MD.
Webmasters: Rebecca D. Holmes and Robin E. Jung
If you have questions or comments please email Robin Jung.
