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Ennen JR, Cecala KK, Gould P, Colvin R, Denison J, Garig DF, Hyder S, Recker L, Davenport JM. Size Matters: the Influence of Trap and Mesh Size on Turtle Captures. WILDLIFE SOC B 2021. [DOI: 10.1002/wsb.1163] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Joshua R. Ennen
- Tennessee Aquarium Conservation Institute 175 Baylor School Rd Chattanooga TN 37377 USA
| | - Kristen K. Cecala
- Department of Biology University of the South, 735 University Ave. Sewanee TN 37383 USA
| | - Philip Gould
- School of Environment and Natural Resources Ohio State University 2021 Coffey Rd Columbus OH 43210 USA
| | - Robert Colvin
- Tennessee Wildlife Resources Agency Region I, 200 Lowell Thomas Drive Jackson TN 38301 USA
| | - Jeremy Denison
- Tennessee Wildlife Resources Agency Region I, 200 Lowell Thomas Drive Jackson TN 38301 USA
| | - Dustin F. Garig
- Department of Biology, Southeast Missouri State University One University Plaza, MS 6200 Cape Girardeau Missouri 63701 USA
| | - Saidee Hyder
- Department of Biology, Southeast Missouri State University One University Plaza, MS 6200 Cape Girardeau Missouri 63701 USA
| | - Lewis Recker
- Department of Biology, Southeast Missouri State University One University Plaza, MS 6200 Cape Girardeau Missouri 63701 USA
| | - Jon M. Davenport
- Department of Biology, Southeast Missouri State University One University Plaza, MS 6200 Cape Girardeau Missouri 63701 USA
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Abstract
Population surveying and monitoring are important for identifying conservation needs and tracking trends in populations, communities, and ecosystems over time and laying the groundwork for conservation management and policy decisions. If species or populations go undetected because of inadequate effort or sampling design, protection and management cannot be properly provided. Due to the widespread loss of populations, the Eastern Massasauga (a rattlesnake) was recently listed as a federally threatened species in the United States; it is also listed as threatened in Canada. Given its current conservation status, there is considerable interest at state and federal levels in determining how to best survey for Eastern Massasaugas to aid in management decisions. Using a 16-year dataset, we examined the relationships among environmental, temporal, area, management, and search effort factors on the detection probability of Eastern Massasaugas. We found that four abiotic parameters (solar irradiance, shaded air temperature, three-day maximum air temperature, and humidity) and three search parameters (effort per researcher, search area, and search time of day) influenced detection of Eastern Massasaugas. As the current biodiversity crisis continues, the cost-effective use of resources and scientific expertise will continue to increase in importance. We hope our results stimulate similar analyses in other taxa, which will be critical for designing and implementing regional survey and monitoring programs.
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