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The Columbia River Estuary is situated on the Oregon – Washington border and the Pacific Coast of the United States. It was traditionally inhabited by the Chinook Native Americans and discovered by settlers in 1788. The Estuary plays host to a plethora of species of marine and terrestrial flora and fauna, and multiple conservation ...
The Columbia River Inter-Tribal Fish Commission (CRITFC) is a fishery resource for the treaty tribes of the Columbia River.Under the treaty, the native tribes, The Nez Perce Tribe, Warm Springs Reservation Tribe, and Umatilla Indian Reservation Tribe, have to the right to fish in the Columbia River, which means their fishery must be reserve and protect.
The Columbia River redband trout, [1] the inland redband trout [2] or the interior redband trout [1] ( Oncorhynchus mykiss gairdneri) is one of three redband trout subspecies of the rainbow trout in the family Salmonidae. [3] It is native in the Columbia River and its tributaries in Idaho, Oregon, Washington and Montana.
The Biden Administration announced an agreement to pause a lawsuit over Columbia River salmon for up to 10 years and spells out steps for tearing down the four Lower Snake River dams.
West Kettle River (British Columbia) Pend Oreille River (British Columbia, Washington, Idaho; see below for sub-tributaries) Kootenay River (British Columbia, Idaho, Montana; see below for sub-tributaries) Hugh Keenleyside Dam and Arrow Lakes (British Columbia) Whatshan River (British Columbia)
Columbia Bar. Coordinates: Bathymetric. The Columbia Bar is a system of bars and shoals at the mouth of the Columbia River spanning the U.S. states of Oregon and Washington. It is one of the most dangerous bar crossings in the world, earning the nickname Graveyard of the Pacific. The bar is about 3 miles (5 km) wide and 6 miles (10 km) long.
The Columbia Basin Project (or CBP) in Central Washington, United States, is the irrigation network that the Grand Coulee Dam makes possible. It is the largest water reclamation project in the United States, supplying irrigation water to over 670,000 acres (2,700 km 2) of the 1,100,000 acres (4,500 km 2) large project area, all of which was ...
Pollution. Turbidity is the cloudiness or haziness of a fluid caused by large numbers of individual particles that are generally invisible to the naked eye, similar to smoke in air. The measurement of turbidity is a key test of both water clarity and water quality . Fluids can contain suspended solid matter consisting of particles of many ...