West Galloway Fisheries Trust - Manage Salmon fisheries in Scotland. Fish Passage Center - Current and historic data on salmon and steelhead in the Snake and Columbia river basins. Dam-Reservoir Impact & Information Archive: DRIIA - Information on dams, water diversions, impoundments, and hydroelectric projects, their impacts, and related links. Passive Integrated Transponder Information System - The Passive Integrated Transponder (PIT) tag has been developed as a research and management tool for monitoring the movement of juvenile and adult salmonids in the Columbia River Basin. Columbia Basin Research - Efforts at the University of Washington to investigate issues surrounding salmon biology in the Columbia and Snake River basins. CBR research has produced computer models which simulate and predict salmon migration and survival in the Columbia Basin and salmon harvest in the North Pacific. Watershed Watch Salmon Society - Registered non-profit whose purpose is to conduct research, and educate the public about wild salmon and issues surrounding them. Information about fisheries and habitat management topics, particularly in Canada. FishXing Software and Learning Systems for Fish Passage Through Culverts - US Fish and Wildlife Service computer tools to assist in design and evaluation of culverts for fish passage. FAQ, downloads, bibliography of related technical papers, and other resources on the topic. Whirling Disease Initiative - U.S. National Partnership on the Management of Wild and Native Cold Water Fisheries research and information on this trout infection caused by a parasite (Myxobolus cerebralis) with a life cycle involving two hosts, fish and worms. Lost at Sea: What's Killing the Great Atlantic Salmon? - Smithsonian Magazine article about threats to the population of this fish. King County Salmon and Trout Topics - Online information about salmon and trout in King County and the Puget Sound region, including news, conservation and monitoring efforts, and conservation volunteer opportunities. The Salmon Are Calling - Essay about the decline of wild salmon populations. Wild Fish Conservancy Northwest - Nonprofit science-based organization working to protect and restore Washington State's wild fish ecosystems. Includes information on projects, education and advocacy, news and events.