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VOL. 3, ISSUE 3 (2021)
Locational and tidal influence on nutrient dynamic and plankton cycle in Gubi dam, Bauchi state, Nigeria
Authors
Mohammed Nuru Yakubu, Mahmud Yarima Iliyasu
Abstract
This study investigates the locational and tidal influence on nutrient dynamic and plankton cycle of Gubi dam at three strategic locations. Station A relatively close to the source of the river (Gubi River), station B and C - spread over a distance of 450m. The experiment was designed to last for four (4) weeks. Sampling was carried out for three successive days at each station. Beside pH, total particulate matter exhibits a marked spatial difference. Physical factors were fairly homogenous. The total phytoplankton ranges from 12.0x102 to 13.33x105 cells/l. Phytoplankton population shows a peak abundance in station C during the first week of the study and the lowest in station A in the third week of the study. A total number of five major phytoplankton groups Euglenophyceae, Chlorophyceae, Bacillariophyceae, Cyanophyceae, Dinophyceae, Ciliata, and Rotifera were identified. Among the groups Euglenophyceae was the most abundant group contributing to about 45% of the total phytoplankton sampled. Spatial distribution of nutrients coincides to a great extend with the spatial distribution of plankton. Station C has the highest nutrient (nitrate NO-3) level and the greatest phytoplankton (Euglenophyceae) density (3.21mg/l and 13.33x105 cells/l respectively). Nutrient concentration as well could be directly linked with plankton concentration. The high concentration of nutrient at all the station during the four (4) weeks of the study, suggest a tendency of high productivity at the station.
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Pages:115-122
How to cite this article:
Mohammed Nuru Yakubu, Mahmud Yarima Iliyasu "Locational and tidal influence on nutrient dynamic and plankton cycle in Gubi dam, Bauchi state, Nigeria ". International Journal of Ecology and Environmental Sciences, Vol 3, Issue 3, 2021, Pages 115-122
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