Characterizing and comparing the spawning habitats of sardine (Sardinops sagax) and anchovy (Engraulis encrasicolus) in the northern Benguela region
Master Thesis
2008
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University of Cape Town
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Abstract
Spawning habitats of sardine and anchovy in eastern boundary systems are characterized in an attempt to understand the fluctuations observed in their abundance. These species have developed mechanisms that enable them to survive in these turbulent conditions. Spawning habitats were characterized by investigating the relationships between egg abundance and environmental data collected through two different survey programmes: SW APEL surveys (1978 -1985) and Nansen surveys (1999 - 2004). Single factor quotient techniques were used to define the selection of environmental conditions by these species for spawning.
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Includes bibliographical references (p. 101-115).
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Tjizoo, M. 2008. Characterizing and comparing the spawning habitats of sardine (Sardinops sagax) and anchovy (Engraulis encrasicolus) in the northern Benguela region. University of Cape Town.