Marshall, B.E. (1992) The relationship between catch and effort and its effect on predicted yields of sardine fisheries in Lake Kariba. Naga, the ICLARM Quarterly, 15(4), pp. 36-39.
There is an unusual relationship between catch per unit effort and effort in the Lake Kariba sardine (Limnothrissa miodon) fishery. This is apparently a results of ecological changes in the lake following the decline of the Salvinia mats that existed there until 1973. Predictive models based on the entire data set (1974-89) are of limited value because they are influenced by the rapid decline in catch per unit effort that took place from 1974 to 1978. A model based on the 1980-89 data indicates that the current catch could be increased substantially. Some empirical models and features of the sardine's biology suggest that it is a realistic model.
|Item Type: ||Article|
|Title: ||The relationship between catch and effort and its effect on predicted yields of sardine fisheries in Lake Kariba|
|Personal Creator/Author: |
|Journal or Publication Title: ||Naga, the ICLARM Quarterly|
|Page Range: ||pp. 36-39|
|Issuing Agency: ||WorldFish Center|
|Uncontrolled Keywords: ||Yield/recruit; Catch/effort; Yield predictions; Clupeoid fisheries; Africa, Kariba L.|
|Item ID: ||9332|
|Depositing User: ||Mr William Ko|
|Date Deposited: ||01 Dec 2012 07:49|
|Last Modified: ||01 Dec 2012 07:49|
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