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oa African Zoology - Fish community structures in Zostera and non-Zostera regions of the Kromme estuary, St Francis Bay

Volume 19, Issue 4
  • ISSN : 1562-7020
  • E-ISSN: 2224-073X

 

Abstract

Comparative seine netting for fish was performed quarterly during 1981 in the Zostera and non-Zostera regions of the upper middle reaches of the Kromme estuary. Twenty-four fish and three crustacean species were recorded. The catches were dominated by the following species: Liza dumerili, Glossogobius glurus and Gilchristella aestuarius (Pisces). Only two fish species (Monodactylus falciformes and Rhabdosargus holubi) were recorded in significantly (P<O,O5; P<O,O5 respectively) higher numbers in the Zostera than in the non-Zostera regions and community analyses (comparing numbers, species richness and diversity) revealed no significant (P>O,O5) differences between the catches from the two regions. These results are contrary to findings of most other researchers and possible reasons for these differences are discussed.

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/content/afzoo/19/4/AJA00445096_2303
1984-10-01
2019-10-22

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