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A fishing weir, fish weir, fishgarth [1] or kiddle [2] is an obstruction placed in tidal waters, or wholly or partially across a river, to direct the passage of, or trap fish. A weir may be used to trap marine fish in the intertidal zone as the tide recedes, fish such as salmon as they attempt to swim upstream to breed in a river, or eels as ...
Reef net fishing intercepts chinook, coho, sockeye, chum and pink salmon as they travel from the Pacific Ocean to spawn in the Fraser River near present-day Washington state and British Columbia.
The water in this stream forms varying currents as it makes its way downhill. In hydrology, a current in a water body is the flow of water in any one particular direction. The current varies spatially as well as temporally, dependent upon the flow volume of water, stream gradient, and channel geometry.
Usually pulsed direct current (DC) is applied, which causes galvanotaxis in the fish. Galvanotaxis is uncontrolled muscular convulsion that results in the fish swimming towards the anode. Teams of at least two people are recommended for an effective electrofishing crew: one to operate the anode, and the other to catch the stunned fish with a ...
The international scale of river difficulty is an American system used to rate the difficulty of navigating a stretch of river, or a single (sometimes whitewater) rapid. [1] The scale was created by the American Whitewater Association to evaluate rivers throughout the world, hence international in the title. [ 2 ]
A Blue Ribbon fishery is a designation made in the United States by government and other authorities to identify recreational fisheries of extremely high quality. Official Blue Ribbon status is generally based on a set of established criteria which typically addresses the following elements:
Maine State Route 4 follows the river from the Sandy River Ponds and bridges it at Strong along the way to Farmington, where it is again bridged. The river is bridged once more at Farmington by U.S. Route 2. Route 2 follows the river downstream to New Sharon where it makes the last bridged crossing of the river before its confluence with the ...
Bottom bouncing is a spin fishing technique where the spinner is cast up river from the shore, and then allowed to bounce on the river bottom until it has moved downstream. The rod tip is held higher in the air than normal and the speed of retrieval is faster. This method is commonly used when float fishing from an inflatable dingy.