Blar i Brage IMR på forfatter "Cushing, David H."
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The fluctuation of year-classes and the regulation of fisheries
Cushing, David H. (Fiskeridirektoratets skrifter, Serie Havundersøkelser, Research report, 1969)There are three sources of variation of recruitment; first that due to random fluctuations alone, secondly that, due to variations in stock and thirdly variations which are extreme at low and high levels of stock and if ...