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Fish communities in a tropical bay (Gazi Bay, Kenya): seagrass beds vs. unvegetated areas
De Troch, M.; Mees, J.; Papadopoulos, I.; Wakwabi, E.O. (1996). Fish communities in a tropical bay (Gazi Bay, Kenya): seagrass beds vs. unvegetated areas, in:[s.d.] IZWO Collected Reprints. 26: pp. chapter 12
In: IZWO Collected Reprints. Instituut voor Zeewetenschappelijk Onderzoek: Bredene. ISSN 0772-1250, more

Also published as
  • De Troch, M.; Mees, J.; Papadopoulos, I.; Wakwabi, E.O. (1996). Fish communities in a tropical bay (Gazi Bay, Kenya): seagrass beds vs. unvegetated areas. Neth. J. Zool. 46(3-4): 236-252, more

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Keywords
    Seagrass; Apogon thermalis Cuvier, 1829 [WoRMS]; Atherinomorus duodecimalis (Valenciennes, 1835) [WoRMS]; Bothus myriaster (Temminck & Schlegel, 1846) [WoRMS]; Gerres acinaces Bleeker, 1854 [WoRMS]; Leiognathus elongatus (Günther, 1874) [WoRMS]; ISW, Kenya, Gazi Bay [Marine Regions]; Marine
Author keywords
    fish fauna

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Abstract
    The fish fauna of seagrass beds and unvegetated areas in Gazi Bay (Kenya) was sampled in 9 stations with a beach seine. A total of 3601 fishes (>95 % juveniles) was caught, comprising 75 species (40 families). The spatial patterns in the fish communities were investigated with multivariate statistical techniques.A first community occurred in the downstream part of a major river-fed creek and was characterized by a low density and diversity. These were sandy bottom stations with sparse seagrass vegetation. The dominant species of this community were Leiognathus elongatus and Bothus myriaster.A second community occurred in the upstream part of the same creek, and was characterized by a high density and diversity. Gerres acinaces and Atherinomorus duodecimalis were the dominant species. A third community occurred in the stations of the shallow part of the bay and was characterized by a high diversity but a lower density. The dominant species were Apogon thermalis and G. acinaces. Both latter communities occurred in stations with dense seagrass beds.

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