Non-native species impacts on pond occupancy by an anuran
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Abstract
Non-native fish and bullfrogs (Lithobates catesbeianus) are frequently cited as contributing to the decline of ranid frogs in the western United States, so we hypothesized that non-native species, habitat, or a combination of these relate to the probability of local extinction for northern red-legged frogs (Rana aurora) in Oregon, USA. We also hypothesized that the probability of colonization relates to land use, wetland size, or riparian forest. In a 5-yr study, we found no support for an effect of non-native species on northern red-legged frogs. Instead, probability of local extinction decreased with the extent of emergent vegetation and riparian forest. This finding suggests that managers consider the role of habitat when confronting non-native species problems.
Study Area
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Non-native species impacts on pond occupancy by an anuran |
| Series title | Journal of Wildlife Management |
| DOI | 10.1002/jwmg.29 |
| Volume | 75 |
| Issue | 1 |
| Year Published | 2011 |
| Language | English |
| Publisher | The Wildlife Society |
| Contributing office(s) | Forest and Rangeland Ecosys Science Center |
| Description | 6 p. |
| First page | 30 |
| Last page | 35 |
| Country | United States |
| State | Oregon |
| Other Geospatial | The Willamette Valley |
| Google Analytic Metrics | Metrics page |