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(2001) Corten, Adrianus Antonius Hendrikus Maria
Natural variation in the distribution and abundance of Norlh Sea herring used to be a well-known phenomenon in the days of the traditional driftnet fishery. With the advent of modern fishing methods after World War II, however, the effects of fishing starled to outweigh the changes in stock size and distribution caused by variations in the environment.
Zie: Summary
Gebruik a.u.b. deze link om te verwijzen naar dit
document:
http://irs.ub.rug.nl/ppn/227152697 |
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