Publication:
Phytoplankton community structure and ecology in Lake Naivasha, Kenya

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dc.contributor.authorOwino, Omondi A
dc.contributor.authorMokua, Ogendi G
dc.contributor.authorJames, Onchieku M
dc.contributor.authorOmondi, Reuben
dc.contributor.authorOmbiro, Omweno J
dc.date.accessioned2024-01-30T12:44:01Z
dc.date.available2024-01-30T12:44:01Z
dc.date.issued2020-04-21
dc.description.abstractThe phytoplankton community structure and ecology of L. Naivasha was studied for a period of six months on a monthly basis between February 2019 and July 2019. The main objective was to determine the phytoplankton species diversity, distribution, and abundance from the seven sampling points in L. Naivasha. A total of one hundred and twenty four (124) species belonging to six (6) taxonomic group were identified. Chlorophyceae was represented by 43 species consisting of 34.68% by species composition, Bacillariophyceae was represented by 38 species consisting of 30.65% by species composition. Cyanophyceae was represented by 24 species leading to 19.35% species composition. Other taxonomic groups included Zygnematophyceae, Euglenophyceae, and Dinophyceae represented by 9 (7.26%), 7 (5.65%) and 3 (2.42%) species respectively. Cyanophyceae recorded the highest abundance in cells/litre, followed by Chlorophyceae and Bacillariophyceae. The total number of algal species was highest in Hippo point with 72 (16.59%) species, followed closely by 68 (15.67%) species in Crescent Island, followed by 66 (15.21%) species in Oserian Bay. Mouth of R. Malewa recorded 59 (13.59%) species, Sher Bay had 58 (13.36%) species, this was followed by Mid Lake station with 56 (12.90%) species, and Sewage Discharge Point had 55 (12.67%) species. Shannon-wiener diversity (H) index ranged from 2.0455 (Mouth of R. Malewa) to 2.7077 (Oserian Bay). In conclusion, Lake Naivasha depicted a higher diversity of phytoplankton species. Results from this study showed the state of L. Naivasha trophic status based on phytoplankton ecology.
dc.description.sponsorshipN/A
dc.identifier.urihttps://www.fisheriesjournal.com/archives/2020/vol8issue3/PartF/7-4-30-511.pdf
dc.identifier.urihttps://repository.nrf.go.ke/handle/123456789/438
dc.language.isoen
dc.publisherInternational Journal of Fisheries and Aquatic Studies
dc.subjectKisii University
dc.titlePhytoplankton community structure and ecology in Lake Naivasha, Kenya
dc.typeArticle
dspace.entity.typePublication

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