Abstract
Abstract The use of isolated emergent wetlands by amphibians has been well documented. However, amphibian habitats such as emergent wetlands in floodplains may differ from isolated wetlands because of their high disturbance (water fluctuation) related to riverine flooding, presence of fish species, and increased connectivity among aquatic habitats. We compared the amphibian assemblages at 6 freshwater wetland habitats in the Chehalis River floodplain and examined the effect of wetland restoration on amphibians. We sampled 6 wetlands during the breeding season in 2003 and 2004 and captured over 15,000 adults, tadpoles, and larvae from 6 species. The red-legged frog (Rana aurora) was the most abundant species captured. The rough skinned newt (Taricha granulose) was the only amphibian captured at all sampled sites. Although it is more desirable to prevent wetland degradation from occurring, restored and enhanced wetlands in floodplains do provide breeding habitat for amphibians. Amphibian species captured in...
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