Results 281 to 290 of about 2,179,553 (336)
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Do cod form spawning leks? Evidence from a Newfoundland spawning ground

Marine Biology, 2006
Catch and acoustic telemetry data were used to test three predictions of lekking behaviour in Atlantic cod (Gadus morhua L.) at a small-scale spawning ground (∼25 km2) in Placentia Bay, Newfoundland: (1) that cod form male-skewed aggregations during spawning; (2) spawning arenas occur at consistent sites; and (3) on the arenas, there will be higher ...
George A Rose, Rose George A
exaly   +2 more sources

Wasted effort or promising approach – Does it make sense to build an engineered spawning ground for rheophilic fish in reservoir cascades?

Ecological Engineering: The Journal of Ecotechnology, 2021
Anthropogenic alterations such as the construction of dams and reservoirs led to a loss of quantity, quality and connectivity of habitats for riverine fish species.
J. Knott, Christoffer Nagel, J. Geist
semanticscholar   +1 more source

Potential hydrological regime requirements for spawning success of the Chinese sturgeon Acipenser sinensis in its present spawning ground of the Yangtze River

Ecohydrology, 2021
Reservoir impoundment often alters the hydrological regimes of the river and consequently leads to the extinction of some sensitive species. This study analysed the spawning response of a critically endangered (CR) species, Chinese sturgeon Acipenser ...
Tao Chang, Xin Gao, Huanzhang Liu
semanticscholar   +1 more source

Sound features and vocal rhythms as a proxy for locating the spawning ground of Sciaena umbra in the wild

Aquatic conservation, 2020
1. The brown meagre ( Sciaena umbra ) is a demersal sciaenid fish recognized as indicative of good environmental quality and is defined as an umbrella species for the ecological community of rocky coastal habitats.
M. Picciulin   +3 more
semanticscholar   +1 more source

Distribution and Characteristics of Herring Spawning Grounds and Description of Spawning Behavior

Canadian Journal of Fisheries and Aquatic Sciences, 1985
Pacific herring (Clupea harengus pallasi) are winter–spring spawners which exhibit a south to north latitudinal dine in spawning time. In the eastern Pacific, major spawning populations are concentrated near San Francisco, in Puget Sound, and along the coasts of British Columbia and southeastern Alaska.
C. W. Haegele, J. F. Schweigert
openaire   +1 more source

Determining habitat limitations of Maumee River walleye production to western Lake Erie fish stocks: documenting a spawning ground barrier

, 2020
Tributaries provide spawning habitat for three of four major sub-stocks of Lake Erie walleye (Sander vitreus). Despite anthropogenic degradation and the extirpation of other potamodromous species, the Maumee River, Ohio, USA continues to support one of ...
B. Schmidt   +6 more
semanticscholar   +1 more source

Dynamics of the Confluence of Malvinas and Brazil currents, and a southern Patagonian spawning ground, explain recruitment fluctuations of the main stock of Illex argentinus

, 2020
Torres Alberto, M.L. 1,2, Bodnariuk, N.3,4, Ivanovic, M. 2, Saraceno, M. 3,4 and Acha, E.M. 1,2 1 Instituto de Investigaciones Marinas y Costeras (IIMyC/UNMdP-CONICET), Mar del Plata, Arg.
María Luz Torres Alberto   +4 more
semanticscholar   +1 more source

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