Search results
Results from the WOW.Com Content Network
Automatic fish counters are automatic devices for measuring the number of fish passing along a particular river in a particular period of time. Usually one particular species is of interest. One important species studied by fish counters are Atlantic salmon. This species is of interest owing to its ecologically vulnerable status and anadromous ...
April 13, 1977. Designated CP. November 13, 1984. The Great Stone Dam (also called the Lawrence Dam or Lawrence Great Dam) was built between 1845 and 1848 [2] on the site of Bodwell's Falls [3] on the Merrimack River in what became Lawrence, Massachusetts. The dam has a length of 900 feet (270 m) and a height of 35 feet (11 m).
Dworshak National Fish Hatchery is a mitigation hatchery located on the Clearwater River within the Nez Perce Reservation near Ahsahka, in north-central Idaho, United States. It was constructed in 1969 by the Army Corps of Engineers, and is co-managed by the U.S. Fish and Wildlife Service and the Nez Perce Tribe .
It was completed in 1951 alongside the dam for the hydro-electric power station as part of the Tummel hydro-electric power scheme and was installed in 1952. It was the first of its type in Scotland. The fish ladder consists of 34 separate pools, each 50 centimetres (1.6 ft) higher than the last and covering a distance of 310 metres (340 yd).
The American paddlefish ( Polyodon spathula, also known as a Mississippi paddlefish, spoon-billed cat, or spoonbill) is a species of ray-finned fish. It is the last living species of paddlefish (Polyodontidae). This family is most closely related to the sturgeons; together they make up the order Acipenseriformes, which are one of the most ...
Length. 1,020 ft (310 m) Elevation at crest. 94.6 ft (28.8 m) The Holyoke Dam, also referred to as the Hadley Falls Dam, or Hadley Falls Station is a granite dam built in tandem with the Holyoke Canal System at Hadley Falls on the Connecticut River, between Holyoke and South Hadley, Massachusetts. [3] The water differential created by the dam ...
In recent years, shad counts at Bonneville and The Dalles Dams have ranged from over two million to over five million fish per year. Spawning shad return to the Columbia in May and June and migrate above Lower Granite Dam on the Snake River and above Priest Rapids Dam on the Upper Columbia. Unlike many introduced species, American shad have not ...
April 4, 2024 at 1:42 PM. A tanker truck overturned in Northeast Oregon on Friday and spilled over 100,000 live salmon — most of which landed in a nearby creek and lived to swim another day ...