Distribution and activity of pelagic fish - acoustic studies in the Baltic Sea
Fisheries agencies around the Baltic Sea use hydroacoustics to assess stock sizes of herring and sprat. These assessments rely on the assumption that the acoustic properties of Baltic clupeids are the same as North Sea herring. This may lead to biased results, as system-specific differences in salin...
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| Format: | Doctoral Thesis |
| Language: | English |
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Stockholms universitet, Institutionen för systemekologi
2005
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| Online Access: | http://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-738 http://nbn-resolving.de/urn:isbn:91-7155-140-9 |