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Exploitation and Conservation of Brown Mussel Stocks by Coastal People of Transkei

Published online by Cambridge University Press:  24 August 2009

W. Roy Siegfried ,
Philip A.R. Hockey  and
Anna A. Crowe
W. Roy Siegfried
Affiliation:
Respectively Professor & Director, Senior Scientific Officer, and Scientific Officer, FitzPatrick Institute of African Ornithology, University of Cape Town, Rondebosch 7700, South Africa.
Philip A.R. Hockey
Affiliation:
Respectively Professor & Director, Senior Scientific Officer, and Scientific Officer, FitzPatrick Institute of African Ornithology, University of Cape Town, Rondebosch 7700, South Africa.
Anna A. Crowe
Affiliation:
Respectively Professor & Director, Senior Scientific Officer, and Scientific Officer, FitzPatrick Institute of African Ornithology, University of Cape Town, Rondebosch 7700, South Africa.
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Extract

The Brown Mussel (Perna perna) is an important fooditem for coastal people in the Republic of Transkei, providing some 16% of their annual protein requirements in 1978, though the energy benefit associated with the consumption of Mussels is relatively low. Uncontrolled heavy exploitation of the stocks of these Mussels resulted in reductions in both their density and size between 1978 and 1984. The reduced availability of Mussels to collectors led to increased exploitation-pressure on other, longer-lived, intertidal species: the proportion of limpets in the take of collectors rose from 7% in 1978 to 37% in 1984, while the proportion of Brown Mussels decreased from 92% to 57%.

Type
Main Papers
Information
Environmental Conservation , Volume 12 , Issue 4 , Winter 1985 , pp. 303 - 307
Copyright
Copyright © Foundation for Environmental Conservation 1985

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