Application of Line Transects for Estimating Population Density of the Endangered Copperbelly Water Snake in Southern Indiana

Application of Line Transects for Estimating Population Density of the Endangered Copperbelly Water Snake in Southern Indiana

The northern copperbelly water snake (Nerodia erythrogaster neglecta) has a disjunct distribution across Illinois, Indiana, Ohio, and Kentucky, reaching into southern portions of Michigan. We report the results of a line transect survey for copperbelly water snakes among varying habitat conditions i...

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Veröffentlicht in:Journal of herpetology 1994-06, Vol.28 (2), p.241-245
Hauptverfasser: Lacki, Michael J., Hummer, Joseph W., Fitzgerald, Joyce L.
Format: Artikel
Sprache:eng
Schlagworte:
Amphibians
Animal, plant and microbial ecology
Applied ecology
Aquatic habitats
Biological and medical sciences
Conservation
Conservation, protection and management of environment and wildlife
Density estimation
Fundamental and applied biological sciences. Psychology
Habitat conservation
Habitats
Intraperitoneal injections
Larvae
Nerodia erythrogaster
Parks, reserves, wildlife conservation. Endangered species: population survey and restocking
Perpendicular lines
Pituitary gland
Snakes
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Zusammenfassung:The northern copperbelly water snake (Nerodia erythrogaster neglecta) has a disjunct distribution across Illinois, Indiana, Ohio, and Kentucky, reaching into southern portions of Michigan. We report the results of a line transect survey for copperbelly water snakes among varying habitat conditions in Indiana. Our study site is a flooded bottomland hardwood forest along Pigeon Creek adjacent to and west of Millersburg, Warrick County, Indiana. The site contains two floodplain units divided by the Booneville-New Harmony Road, with culverts and bridges allowing for movement of snakes between units. The study area consists of 368.3 ha, with 248.3 ha to the north and 120 ha to the south of the highway.
ISSN:0022-1511
1937-2418
DOI:10.2307/1564627