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The effect of rainfall and tidal rhythm on the community structure and abundance of the zooplankton of Gazi Bay, Kenya
Osore, M. K. W.; Tackx, M.L.M.; Daro, M.H. (1997). The effect of rainfall and tidal rhythm on the community structure and abundance of the zooplankton of Gazi Bay, Kenya. Hydrobiologia 356: 117-126. dx.doi.org/10.1023/A:1003147525611
In: Hydrobiologia. Springer: The Hague. ISSN 0018-8158, more
Peer reviewed article  

Available in Authors 

Keyword
Author keywords
    mangrove creek, zooplankton, TWINSPAN, rainfall, tides, Kenya

Authors  Top 
  • Osore, M. K. W., more
  • Tackx, M.L.M., more
  • Daro, M.H., more

Abstract
    Over a two year study period, zooplankton was sampled in Gazi Bay, Kenya, using a 335 mu m mesh size Bongo net. Two Way Indicator Species Analysis (TWINSPAN) classification demonstrated that rainfall and tidal regime had substantial influence on the zooplankton community structure. Samples collected during the rainy season clustered together when treated with TWINSPAN. Furthermore, the clustering was more pronounced for neap tide samples than for spring tide ones. Samples obtained during spring tide did not give a clear cut pattern. Canonical Correspondence Analysis (C.C.A.) confirmed these findings, a clustering together of rainy/neap tide samples; and little separation (based on environmental variables) between sampling stations.

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