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 |