Time series analysis of catch and effort data in the Philippines small pelagics fishery resulted in a level of biological and economic overexploitation. Open-access equilibrium has been reached at 410,000 hp representing a catch level of 465,000 tonnes. Present levels of effort would have to be...

Studies ontogenetic changes in salinity tolerance in tilapias spawned and reared in freshwater using the indices of median lethal salinity, mean survival time and median survival time. Discusses implications of findings for brackish - and seawater culture of tilapias.

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The use of reproductive and genetic technologies can increase the efficiency of selective breeding programs for aquaculture species. Four technologies are considered, namely: marker-assisted selection, DNA fingerprinting, in-vitro fertilization, and cryopreservation. Marker-assisted selection...