Diversity of Cladocera of the Shatt Al-Arab River, Southern Iraq. | ||
| Mesopotamian Journal of Marine Science | ||
| Article 1, Volume 27, Issue 2, December 2012, Pages 126-139 PDF (0 K) | ||
| Authors | ||
| M.F. Abbas; S.G. Ajeel | ||
| Abstract | ||
| Samples of zooplankton were collected monthly from three stations in the Shatt Al-Arab region (Al-Hartha, Garmat Ali and Al-Ashaar) for the period from June 1996 to May 1997 using a plankton net with a mesh-size of 120 µm. Twenty species of Cladocera belonging to 14 genera were recorded in the study area. The total number of Cladocera ranged between 0.3 ind./m3 during October 1996 and 7207 ind./m3 during April 1997. The highest values of Shannon Weaver diversity index and Richness index were recorded at station 3 during December and June (1.8 and 7.62, respectively), and the lowest values were (0) and 0.23, reported in July at station 3 and in March at station 2. The highest value of Evenness (1.0) was recorded at station 3, during October and the lowest (0.01) was recorded at station 2 during April. The Jaccard index indicates that the highest similarity was between stations 1 and 3 (34.48) and the lowest was between stations 2 and 3 (30.49). | ||
| Keywords | ||
| Cladocera; Diversity; Shatt Al; Arab; Iraq | ||
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