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Improved mapping of schooling fish near the surface: comparison of abundance estimates obtained by sonar and echo integration |
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| Authors: | Misund Ole Arve; Aglen Asgeir; Hamre Johannes; Ona Egil; Rottingen Ingolf; Skagen Dankert; Valdemarsen John Willy |
| Institution: | Institute of Marine Research PO Box 1870 Nordnes, N-5024 Bergen, Norway |
| Abstract: | |
| Keywords: | abundance estimation anchovy echo integration herring pelagic trawl pilchard sonar |
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