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MATPROG-Matprogrammet: Norsk mat fra sjø og land

Captured based aquaculture around fish farms:developing a small scale fjord fishery

Tildelt: kr 1,9 mill.

When artificial structures are concentrated in large numbers in specific areas of the coastline, their synergistic effects may generate an "Artificially Created Ecosystem" (ACE). These structures will have diverse ecological effects on coastal ecosystems, maybe to a greater extent than is currently assumed. Marine fish farms are perhaps the most important ACE's in Norwegian coastal waters, and we have p.t. more than 1150 coastal farming sites. Research into the demographic effects of fish farming upon wil d fishes has however received little attention, but farms may have a variety of ecological effects on associated wild fish. Of particular controversy at the moment is their likely capability of attracting large amount of wild fish, and that feeding on pel lets and faeces from the farm, reduces quality of the raw material. On the other hand, if wild fish are attracted to fish farms, and that quality reduction is limited or can be improved, this behaviour may provide an ideal opportunity for cost-effectively capture of fish, either besides farms or in specially constructed traps at farms. The proposed study will describe the quality of wild fish around fish farms and in controls areas in a Norwegian wide context. Furthermore, we will develop methods to captu re alive, store and possibly improve quality of wild fish in such a way that a small-scale fishery of high quality food can be developed in intensively farmed Norwegian fjords. This will be accomplished in close collaboration with the already funded NRC C oastACE project, and through two closely linked workpackages (WP).

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MATPROG-Matprogrammet: Norsk mat fra sjø og land

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