Blar i Brage IMR på forfatter "Burmeister, Liza-Mare"
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Assessing trawl-survey estimates of frequency distributions
Pennington, Michael; Burmeister, Liza-Mare; Hjellvik, Vidar (ICES CM Documents;2000/K:23, Working paper, 2000)Marine trawl surveys catch a cluster of fish at each station and fish caught together tend to have more similar characteristics, such as length, age, stomach contents etc., than those in the entire population. When this ...