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| Pattern of recruitment variability in the geographical range of the exploited northeast Atlantic fish species Brunel, T.; Boucher, J. (2006). Pattern of recruitment variability in the geographical range of the exploited northeast Atlantic fish species. J. Sea Res. 55(2): 156-168. https://dx.doi.org/10.1016/j.seares.2005.07.003
In: Journal of Sea Research. Elsevier/Netherlands Institute for Sea Research: Amsterdam; Den Burg. ISSN 1385-1101; e-ISSN 1873-1414, meer
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Management > Resource management > Fishery management Population functions > Recruitment Variability ANE, North East Atlantic [Marine Regions] Marien/Kust |
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A wide range of recruitment variability was observed among the 62 populations. The expected latitudinal pattern of recruitment variability was significant when populations of the various species were pooled in the same analysis. At the species level, this pattern was found for most species, but was significant only for cod and sole. Recruitment variability was also dependent on the number of years in the time series, although this association did not perturb the relationship with population position. The analysis did not show any clear impact of fishing on recruitment variability. These results suggest that the influence of environment on the recruitment of fish populations is stronger for populations living on the edges of the species geographical range than for populations living at the centre of this range. |
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