Mortality rates estimates for Metapenaeus monoceros (Fabricius) of Maputo Bay
The species Metapenaeus monoceros in Maputo Bay recruits to the fishery almost all over the year, but the main recruitment occurs over a short period of time, each year, during April-May. Growth curves were constructed by following the progression of modes over a period of time. The von Bertalanffy growth parameters were estimated as L∞=31.9 mm and K(monthly)=0.25, for males, and L∞=48.3 mm and K(monthly)=0.14, for females (Brinca and Sousa, 1984). Using data on growth and length composition of the catches, the following methods were applied to estimate mortality rates of M. monoceros: estimation of natural mortality by using approximative methods; use of c.p.u.e. data; catch curves; cohort analysis; average age and length methods.
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| Main Authors: | , |
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| Format: | article biblioteca |
| Language: | English |
| Published: |
1984
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| Subjects: | Biology, Metapenaeus monoceros, mortality rates, Maputo Bay, Mozambique, |
| Online Access: | http://hdl.handle.net/1834/32810 |
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