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logo 9/23/2024 1:25:29 AM     
Risk assessments urged for fish escaping from net-pen aquaculture 
US Source: innovations-report 3/5/2005

The substantial risk to salmon stocks posed by salmon that escape from net-pen farms argues for risk assessments of all types of marine fish farming, according to an article published in BioScience. Rosamond Naylor of Stanford University and nine coauthors conclude in their article that without a firm policy mandate for risk assessment of escaping farm fish, aquaculture will “almost certainly lead to extensive competition between wild fish and continuously released farm fish–or widespread establishment of exotic fish species–and thus to a further decline in wild fish stocks.”
 

Naylor and her coauthors conclude that, despite some efforts by aquaculture companies to curtail farm salmon escapes—such as using stronger net materials—the efforts are inadequate, as monitoring and enforcement of regulations governing escapes are weak. An estimated two million farm Atlantic salmon escape each year into the North Atlantic, and millions more have escaped on the western coasts of North American and South America. Farm Atlantic salmon are more aggressive and faster-growing than native fish, with which they compete for food.

 
Salmon, Atlantic Continue...

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