August 2012
Macroinvertebrates in streams: A review of some ecological factors
Macroinvertebrates are an important component of stream ecosystems and are a link in the transfer of material and energy from producers to top level consumers and also act as excellent bioindicators of stream health. This review discusses some of the factors whichregulate the occurrence and distribution of stream macroinvertebrates namely water current, temperature, substrate, drainage...
August 2012
Attitudinal analysis of women involvement in fish processing and marketing in Ondo State
Generally, it is believed that attitude, to an extent, determines participation in any vocation. This study sets out to investigate and analyze the attitude of women involved in fish processing and marketing in Ilaje Local Government Area (LGA) of Ondo state. The study also determined the profitability and constraints faced by the respondents in the business. The influence of selected respondent’s...
August 2012
Toxicity of Parkia biglobosa pod extract on Clarias gariepinus juveniles
The toxicity of aqueous and ethanolic extracts of Parkia biglobosa pods (95, 85, 75, 65 and 55 mg/l) on Clarias gariepinus was investigated under laboratory condition over a 96 h exposure period. Fish exposed to both extracts exhibited clinical signs including eventual death but was not observed in the control fish. Weight change in fish was observed as well as the effect of the...
August 2012
Socio-economic characteristics of fish workers in Western Kenya
This paper analyzes and discusses the socio-economic characteristics of fish workers, with a focus on those based on the Kenyan shores of Lake Victoria. In particular, the paper considers the characteristics of fish workers in general and by type of fish work, beach location and income diversification strategy. Although, many characteristics of the fish workers were identified, six characteristics stood out:...
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