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The Biology and Management of the Salish Sucker and Nooksack Dace (in Proc. Conference Biology & Management of Species and Habitats at Risk) Pearson, Mike
1999
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Abstract: Salish sucker (Catostomus sp.) and Nooksack dace (Rhinichthys sp.) are undescribed and endangered members of a unique assemblage of freshwater fish that evolved in an isolated refuge in Washington State during the Pleistocene glaciations. Canadian populations are limited to a few headwater streams in the lower Fraser Valley, B.C. and are in rapid decline. This report summarizes existing knowledge of the life history and probable causes of decline of both species, and discusses research needs and management options for their conservation. Loss of riffle habitats and decreased in-stream habitat complexity are likely factors in population decline. Habitat fragmentation, sublethal temperature effects, and interactions with exotic species may also be important. Key gaps in knowledge important for management include winter habitat requirements, spawning site locations, habitat fragmentation effects, thermal tolerances, and the identification of effective habitat restoration techniques...
 
Pearson, Mike. 1999. The Biology and Management of the Salish Sucker and Nooksack Dace (in Proc. Conference Biology & Management of Species and Habitats at Risk). Ministry of Environment, Lands and Parks; University College of the Cariboo. Proceedings - Conference Biology & Management
 
Topic: Conservation + Mgmt (Wildlife, Fish, Plant)
Keywords: Catostomus, Chehalis fauna, Fraser Valley, Nooksack dace, Rhinichthys, Salish sucker, Washington State
ISSN:  Scientific Name: Catostomus sp. 4, Rhinichthys sp. 4
ISBN:  English Name: Nooksack Dace, Salish Sucker
Other Identifier: University College of the Cariboo
 
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