Sammenheng mellom geometriske dimensjoner og biomasse hos sildestimer under innvandring til overvintringsområdene
Repeated acoustic measurements of size, density and biomass of herring schools were conducted using sonar and echosounder connected to echointegrator system (Simrad EY-500) in Vestfjorden, Ofotfjorden and Tysfjord in the period from 23 September to 4 October 1995. The results are given for observed...
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Format: | Report |
Language: | Norwegian Bokmål |
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Havforskningsinstituttet
1996
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Online Access: | http://hdl.handle.net/11250/113207 |