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The Abundance and Diversity of Aquatic Invertebrates in Uwa - West / Ikot Ebak River, Essien Udim, Akwa Ibom State, Nigeria
Current Issue
Volume 3, 2015
Issue 6 (December)
Pages: 265-268   |   Vol. 3, No. 6, December 2015   |   Follow on         
Paper in PDF Downloads: 31   Since Nov. 12, 2015 Views: 1141   Since Nov. 12, 2015
Esenowo I. K., Department of Zoology, University of Uyo, Akwa Ibom State, Nigeria.
Akpabio E. E., Department of Zoology, University of Uyo, Akwa Ibom State, Nigeria.
Adeyemi-Ale O. A., Department of Zoology, University of Ilorin, Kwara State, Nigeria.
This study was conducted to evaluate the diversity and abundance of aquatic invertebrates in Uwa - west / Ikot Ebak River, Akwa Ibom State. Samples were collected twice in a month from September through November 2012, using standard entomological methods. A total of 306 individuals representing 11 orders were encountered. The most dominant insect order was Orthoptera, followed by Hemiptera with a relative abundance of 90 (29.4%) and 78 (25.5%) individuals respectively, while the least abundant groups Odonata, Lepidoptera, Diptera, and Plecoeptera accounted for less than 2% each. The community structure, species diversity and abundance of the indigenous aquatic insects may give a clue on the ecological integrity of this river, which could be qualified as one maintaining moderate ecosystem integrity.
Aquatic Invertebrate, Abundance, Diversity, Ecosystem
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