Journal of
Ecology and The Natural Environment

  • Abbreviation: J. Ecol. Nat. Environ.
  • Language: English
  • ISSN: 2006-9847
  • DOI: 10.5897/JENE
  • Start Year: 2009
  • Published Articles: 408

Full Length Research Paper

Recent limnological changes and their implication on fisheries in Lake Baringo, Kenya

Omondi, R*
  • Omondi, R*
  • Kenya Marine and Fisheries Research Institute, P. O. Box 1881, Kisumu, Kenya.
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Kembenya, E.
  • Kembenya, E.
  • Kenya Marine and Fisheries Research Institute, P. O. Box 3259, Kisii, Kenya.
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Nyamweya, C.
  • Nyamweya, C.
  • Kenya Marine and Fisheries Research Institute, P. O. Box 1881, Kisumu, Kenya.
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Ouma, H.
  • Ouma, H.
  • Department of Zoology, Maseno University, P. O. Box 333, Maseno, Kenya.
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Machua, S.K.
  • Machua, S.K.
  • State Department of Fisheries, P. O. Box 48, Kampi Ya Samaki, Kenya.
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Ogari, Z.
  • Ogari, Z.
  • Kenya Marine and Fisheries Research Institute, P. O. Box 1881, Kisumu, Kenya.
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  •  Received: 10 January 2014
  •  Accepted: 31 March 2014
  •  Published: 31 May 2014

Abstract

Water samples for physico-chemical analysis for this study were collected monthly for five years between April 2008 and March 2013. Conductivity, temperature, dissolved oxygen and pH was measured in situ using a Surveyor II model hydrolab. Chlorophyll-a concentration was determined using a Genesys 10S Vis spectrophotomer. Nutrients were determined using standard methods and procedures. Analysis of Variance (ANOVA) was used to determine spatial and temporal variation in physico-chemical and biological factors. Principal component analysis (PCA) was performed to establish the correlation of the physico-chemical and biological parameters among sampling stations and to group stations with similar physico-chemical parameters. Both spatial and temporal significant variations (P < 0.05) were detected in the concentrations of the nutrients measured during the study.

Key words: Limnological changes, parameters, Lake Baringo, Kenya.

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This article is published under the terms of the Creative Commons Attribution License 4.0

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