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Abstract
State Route 37 bisects conservation lands managed by San Pablo Bay National Wildlife Refuge (U.S. Fish & Wildlife Service) and Napa-Sonoma Marshes Wildlife Area (California Department of Fish and Game) in Solano and Sonoma Counties. The 2-lane highway connects Interstates 101 and 80 in northern San Francisco Bay and experiences ~26,000 vehicles per day. Road-killed wildlife between Napa River and Tolay Creek bridges (14.7 km) were counted in 2000 to ascertain species composition, relative abundance, and relative occurrence (animal fatality interval). The primary objectives of the study were to determine if endangered salt marsh harvest mice (Reithrodontomys raviventris), California clapper rails (Rallus longirostris), or other species of concern were represented, and to collect baseline data on transportation impacts to wildlife in the area. During 51 surveys, 291 dead birds (54.6%) and mammals (45.4%) were observed. Endangered species were not positively identified dead on the highway. In total, 28 bird, 10 mammal and 1 reptile species were positively identified along this section of highway that traverses tidal marsh and diked baylands (i.e., salt ponds, seasonal wetlands, and oat-hay agriculture fields). The mean animal fatality interval for both lanes was one road-kill every 2.1km (2.1 km SD).
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Transportation impacts to wildlife on state route 37 in northern San Pablo Bay, California |
| Series title | Transactions of the Western Section of the Wildlife Society |
| Volume | 37 |
| Year Published | 2002 |
| Language | English |
| Publisher | Wildlife Society 2001, Volume 37 |
| Contributing office(s) | Western Ecological Research Center |
| Description | 6 p. |
| First page | 55 |
| Last page | 60 |
| Google Analytic Metrics | Metrics page |