Assessing Potential Effects of Entrainment and Impingement on Fish Stocks of the New York–New Jersey Harbor Estuary and Long Island Sound

Autor:	Douglas G. Heimbuch, Quentin E. Ross, Alan F. Blumberg, Dennis J. Dunning
Rok vydání:	2007
Předmět:	geography geography.geographical_feature_category biology Fishing Menhaden Estuary Aquatic Science biology.organism_classification Fish stock Onitis Fishery Estuarine water circulation Environmental science Atlantic menhaden Entrainment (chronobiology) Ecology Evolution Behavior and Systematics
Zdroj:	Transactions of the American Fisheries Society. 136:492-508
ISSN:	1548-8659 0002-8487
Popis:	We assessed the potential effects of entrainment and impingement at the Charles Poletti Power Project (hereafter, Poletti) on fish stocks of the New York–New Jersey (NY–NJ) Harbor Estuary and Long Island Sound by (1) estimating, for five fish stocks, the conditional mortality rate (CMR) for entrainment of eggs, larvae, and young-of-the-year (age-0) fish and the CMR for impingement of age-0 fish, and (2) for two of those stocks, using the CMR estimates to calculate the proportional reduction in biomass of spawners from an unfished stock under equilibrium conditions. Estimates of entrainment CMR for eggs and larvae were low and ranged from 0.02% for tautogs Tautoga onitis to 0.11% for Atlantic menhaden Brevoortia tyrannus, based on the spatial and temporal distribution of those life stages in the NY–NJ Harbor Estuary and Long Island Sound study area and the probabilities of entrainment generated by a particle tracking model, coupled with a three-dimensional estuarine circulation model that simulate...
Databáze:	OpenAIRE
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