anadromous

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anadromous

[ə′na·drə·məs]
(vertebrate zoology)
Said of a fish, such as the salmon and shad, that ascends fresh-water streams from the sea to spawn.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The 3.5-billion-dollar project is expected to spend the extra funds on a revamp to aid fish migration and sediment flows in the Mekong in line with recommendations from consultancies Poyry of Finland and the French Compagnie Nationale du Rhone, the state-run daily said, citing unnamed sources.
The Beaver Creek project began in 2003 to provide habitat anci enhance fish migration for Pacific Northwest salmon along with other resicient Puget Sound species.
There is also the issue of fish migration patterns that can't be disrupted.
Now the conditions have changes and measures should be taken now," Erdogan said and noted all necessary measures would be taken against criticisms that it would step up traffic and population, and that it would have a negative impact on fish migration, water resources and forests."We should act considering next 50 years," he added.
The research will be used in freshwater and marine environmental management to predict fish migration routes and assess the impact of human intervention.
Beautifully illustrated, this volume explores the underwater landscape of the Irish and Celtic Seas, and documents fish migration, predator behavior, ocean currents and the effects of commercial fishing and other industries on marine ecology.
Studying biology and chemistry as an undergraduate at Bates College in Lewiston, Maine, gave me the idea to approach ecological questions such as fish migration from a chemical perspective.
Environmentalists and commercial fishermen are concerned with marine entanglement, whale and fish migration and the effects of electromagnetic fields (which are generated by the wave energy buoys) on electro-sensitive species like sharks, rays and salmon.
Dams may impact fish migration and, consequently, the biological community as a whole.
Mr Knight added: "Any structure which impeded fish migration would have a catastrophic effect on the worldrenowned rivers Usk, Wye and Severn, and there is no way of recreating these fish populations elsewhere as compensation."