| Registro completo |
| Provedor de dados: |
OceanDocs
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| País: |
Belgium
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| Título: |
Some limnological characteristics of the lower Sondu-Miriu River, Kenya
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| Autores: |
Mwashote, B.M.
Shimbira, W.
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| Data: |
2006-03-16
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| Ano: |
1994
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| Palavras-chave: |
Chemical limnology
Microcystis
Navicula Absorption spectra Physical oceanography Phytoplankton Population density Species diversity Turbidity Physical oceanography Phytoplankton Turbidity Nutrients Population density Species diversity http://aims.fao.org/aos/agrovoc/c_5830 http://aims.fao.org/aos/agrovoc/c_13344 http://aims.fao.org/aos/agrovoc/c_15043 http://aims.fao.org/aos/agrovoc/c_5274 http://aims.fao.org/aos/agrovoc/c_6112 http://aims.fao.org/aos/agrovoc/c_33954
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| Resumo: |
Chemical and physical investigations of water on a 10 km section of the Sondu-Miriu river in Kenya were conducted in 1988-1990. They revealed no significant spatial variation between three sampling stations. Variation existed between the waters of a floodpool and the river. Flooding had a general diluting effect on the nutrients. All the physical and chemical parameters investigated were within tolerable limits of water quality according to WHO criteria for drinking water, fisheries and other aquatic life. A total of 22 phytoplankton and 9 zooplankton genera were recorded. The algae Microcystis (cyanobacteria) and Navicula (diatom) were dominant. Mean densities were 283 cells or colonies per ml for phytoplankters and 10 organisms per ml for zooplankton. 60% of the zooplankton genera observed were found in the floodpool. Community diversity and density were found to vary between sampling stations as well as seasons. Variations in turbidity, nutrient availability and rate of water flow were major determinants for plankton occurrence.
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| Tipo: |
Proceedings Paper
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| Idioma: |
Inglês
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| Identificador: |
Okemwa, E.; Wakwabi, E.O.; Getabu, A. (Ed.) Proceedings of the Second EEC Regional Seminar on Recent Trends of Research on Lake Victoria Fisheries, Nairobi : ICIPE Science Press, p. 15-27
9290640789
http://hdl.handle.net/1834/1177
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| Editor: |
ICIPE Science Press
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| Formato: |
533006 bytes
application/pdf
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