Please use this identifier to cite or link to this item: http://ir.library.ui.edu.ng/handle/123456789/4447
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dc.contributor.authorOlaifa, F. E.-
dc.contributor.authorLeilei, K. E.-
dc.date.accessioned2019-03-08T09:19:51Z-
dc.date.available2019-03-08T09:19:51Z-
dc.date.issued2007-
dc.identifier.issn1595-9694-
dc.identifier.otherui_art_olaifa_study_2007-
dc.identifier.otherASSET Series A 7(1), pp. 144-150-
dc.identifier.urihttp://ir.library.ui.edu.ng/handle/123456789/4447-
dc.description.abstractA study was undertaken to determine the plankton and benthos of Ekole River in Bayelsa State of Nigeria. Surface water and sediment samples were collected in the dry (December-January) and wet (June –July) seasons between 2003 and 2004 for plankton and benthic analyses. The water temperature ranged from 27-33°C, pH 6.30-7.5, total suspended solids (T.S.S) 110-282 mg/L, Chloride 15.40- 39.6 mg/l, dissolved oxygen 4.11-10.83 mg/l and conductivity 64.5-84.55ìS/cm. The total plankton count ranged between 267 x 10³ and 11830 X 10 ³ / L. Forty three and forty seven species of phytoplankton belonging to five families were identified in the dry and rainy seasons respectively. The mean zooplankton population ranged from 1954 x 10 / L in the dry to 3479 x 10 / L in the wet season while the benthic organisms ranged from 113 x 10 / L to 152 x 10 /L in the rainy and dry seasons respectively. Bacillariophyceae dominated the phytoplankton while the rotifers dominated the zooplankton species. Some biological indicators of pollution: larval forms of Chironomids ,Odonatans and Ephemenopterans were also identified in the riveren_US
dc.language.isoenen_US
dc.publisherUNAABen_US
dc.titleA study of the plankton and benthos of Ekole river in Bayelsa state, Nigeriaen_US
dc.typeArticleen_US
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