Assessment of freshwater fish assemblages and their habitats in the National Park Service system of the southeastern United States
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Abstract
The southeast region of the United States contains the highest diversity of freshwater fish species in the country: approximately 662 species. Existing protected areas like units of the National Park Service (NPS) should reflect this biodiversity, but there has been no broad-scale assessment. We compiled several data sets identifying native freshwater fish species distributions in and surrounding NPS units and threats to those resources. Focusing on the 26 NPS units containing only freshwater fish species, we documented 288 species within NPS boundaries. The largest NPS units tended to have the most fish species and aquatic habitat but also the greatest amount of alteration. Increasing rates of urbanization, declines in percentage agriculture land cover, and increased density of road-stream crossings in surrounding watersheds were good predictors of nonindigenous species presence within NPS unit boundaries. These results help document the role of NPS units in conserving freshwater fish diversity and, in this region, suggest that measures aimed at controlling urbanization in the adjacent watersheds could affect the diversity of freshwater fish communities in these units.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Assessment of freshwater fish assemblages and their habitats in the National Park Service system of the southeastern United States |
| Series title | Fisheries |
| DOI | 10.1080/03632415.2012.676835 |
| Volume | 37 |
| Issue | 5 |
| Year Published | 2012 |
| Language | English |
| Publisher | American Fisheries Society |
| Publisher location | Bethesda, MD |
| Contributing office(s) | Coop Res Unit Atlanta |
| Description | 14 p. |
| First page | 212 |
| Last page | 225 |
| Online Only (Y/N) | N |
| Additional Online Files (Y/N) | N |
| Google Analytic Metrics | Metrics page |