Response of Nontarget Species to Underground Strychnine Baiting for Pocket Gopher in Southwest Oregon
Abstract:Pocket gophers (Thomomys spp.) impede reforestation efforts in the Pacific Northwest and strychnine baiting is used to reduce their populations. We conducted a capture and release program in southern Oregon to determine whether strychnine baiting negatively impacted nontarget small mammal species. Two nontarget species dominated the program: golden mantled ground squirrels (Spermophilus lateralis) and yellow pine chipmunks (Tamias amoenus). There was a short-term decline in ground squirrel populations after baiting, but yellow pine chipmunk populations were not adversely affected. We conclude that underground baiting with 0.5% strychnine treated grain is unlikely to cause long-term adverse effects on nontarget wildlife species in southwest Oregon. West. J. Appl. For. 17(1):9–13.
Keywords: Hazards; environmental management; forest; forest management; forest resources; forestry; forestry research; forestry science; natural resource management; natural resources; nontarget species; pocket gopher; strychnine bait
Document Type: Miscellaneous
Affiliations: 1: Department of Fisheries and Wildlife, Utah State University, Logan, UT, 84322, Ministry of Agriculture (MAMVA), DPVCTRF, Rabat, Morocco 2: USDA/APHIS/WS/NWRC, BNR-163, Utah State University, Logan, UT, 84322 3: USDA Forest Service, Rogue River National Forest, 333 W. 8th Street, Box 520 Medford, Oregon, 87501
Publication date: January 1, 2002
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