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By: United States. Congress. House. Committee on Natural Resources. - United States. Congress. House. Committee on Natural Resources. Subcommittee on National Parks, Forests, and Public Lands.Edition:Publication info: Washington, U.S. G.P.O, 1993Volume:Series:Holding Institution: Boston Public LibrarySubjects: Biological diversity conservation Conservation Ecosystem management Effect of habitat modification on Fishes Habitat (Ecology) Modification Northwest, Pacific Salmon Valley ecology Watershed managementBHL Collections:
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By: United States. Congress. House. Committee on Merchant Marine and Fisheries. - United States. Congress. House. Committee on Merchant Marine and Fisheries. Subcommittee on Environment and Natural Resources.Edition:Publication info: Washington, U.S. G.P.O, 1993Volume:Series:Holding Institution: Boston Public LibrarySubjects: Conservation Effect of habitat modification on Fishery resources Fishes Hatchery vs. wild stocks Northwest, Pacific Salmon Valley ecology Watershed managementBHL Collections: