Stock'related changes in biological parameters of the Icelandic summer'Spawning herring

@inproceedings{Jakobsson1993StockrelatedCI,
  title={Stock'related changes in biological parameters of the Icelandic summer'Spawning herring},
  author={Jakob Jakobsson and A. Gu{\o}mundsd{\'o}ttir and Gunnar Stefansson},
  year={1993}
}
During the period 1960–1992 the stock size of Icelandic summer-spawning herring varied from about 300 000 t in the early 1960s to just above 10000 t in the early 1970s. Since then the stock size has increased to about 400 000 t in 1992. Examination of the mean weight at age and length at age as well as condition factor of the herring revealed that these parameters have fluctuated slightly, but without a trend, over a wide range of stock abundance, but increased when the stock was at extremely… CONTINUE READING