CHANGES IN ABUNDANCE OF DEMERSAL FISH SPECIES IN THE NORTH-SEA BETWEEN 1906-1909 AND 1990-1995

Authors
RIJNSDORP AD VANLEEUWEN PI DAAN N HEESSEN HJL
Citation
Ad. Rijnsdorp et al., CHANGES IN ABUNDANCE OF DEMERSAL FISH SPECIES IN THE NORTH-SEA BETWEEN 1906-1909 AND 1990-1995, ICES journal of marine science, 53(6), 1996, pp. 1054-1062
Citations number
24
Categorie Soggetti
Fisheries,"Marine & Freshwater Biology",Oceanografhy
Journal title
ICES journal of marine science → ACNP
ISSN journal
10543139
Volume
53
Issue
6
Year of publication
1996
Pages
1054 - 1062
Database
ISI
SICI code
1054-3139(1996)53:6<1054:CIAODF>2.0.ZU;2-X
Abstract
A comparison of catch rates of demersal fish during beam trawl and ott er trawl surveys carried out in the period 1990-1995 and 1906-1909 ind icates lower abundance in recent years for the total assemblage as wel l as for individual groups, There appear to have been shifts in the co mmunity associated with reduced diversity and evenness indicts. Length -frequency distributions of roundfish and flatfish show a shift toward s smaller-sized fish. (C) 1996 International Council for the Explorati on of the Sea