Akustisk mengdemåling av sei, kysttorsk og hyse : Finnmark - Møre hausten 2010

Total echo abundance of saithe decreased by 10 % compared to 2009 to the lowest level since 1997. The indices for all age groups except 3-year olds were well below the average. The number of coastal cod decreased for all age groups, except for 1-2 years old. There are only small signs of improved re...

Full description

Bibliographic Details
Main Authors: Mehl, Sigbjørn, Aglen, Asgeir, Berg, Erik
Format: Report
Language:Norwegian Nynorsk
Published: Institute of Marine Research 2010
Subjects:
stock assessment
bestandsberegning
cod
torsk
saithe
sei
cruise report
toktrapport
VDP::Agriculture and fishery disciplines: 900::Fisheries science: 920::Resource biology: 921
Finnmark
Online Access:http://hdl.handle.net/11250/110445
Description
Summary:Total echo abundance of saithe decreased by 10 % compared to 2009 to the lowest level since 1997. The indices for all age groups except 3-year olds were well below the average. The number of coastal cod decreased for all age groups, except for 1-2 years old. There are only small signs of improved recruitment. The acoustic spawning stock biomass is at the same low level as in previous years.

Similar Items