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Article: The impact of double-crested cormorant (Phalacrocorax auritus) predation on anadromous alewife (Alosa pseudoharengus) in south-central Connecticut, USA.(Report)
- Article from:
- Canadian Journal of Fisheries and Aquatic Sciences
- Article date:
- February 1, 2009
- Author:
CopyrightCOPYRIGHT 2009 NRC Research Press. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Introduction
Anadromous alewife (Alosa pseudoharengus) are of notable ecological, economic, and historical importance in eastern North America. They impact freshwater ecosystems by importing marine-derived nutrients (Durbin et al. 1979; Garman and Macko 1998; MacAvoy et al. 2000) and structuring prey communities through predation (Post et al. 2008). The inshore fishery for anadromous alewives dates to precolonial times, and the offshore fishery, still a large source of bait for Atlantic cod (Gadus morhua) and American lobster (Homarus americanus) fishermen, once landed nearly 25 000 mt annually (Munroe 2002).
Probably because of intense fishing pressure, ...