Mortality Rate of Fishes in the Pelagic Ecosystem
- 1 July 1984
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Fisheries and Aquatic Sciences
- Vol. 41 (7) , 1117-1120
- https://doi.org/10.1139/f84-131
Abstract
A size-dependent equation for mortality rate (M(w)) of fish-sized particles is derived using preexisting theory on the distribution of biomass as a function of size (w) in the pelagic marine ecosystem, assuming that mortality is primarily due to predation. The equation M(w) = ckw−x (where c, k, and x are parameters) yields estimates that are close to observed mortality rates.Keywords
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