Fisheries Biology And Ecology

 Fisheries Biology should deliver the necessary knowledge on the biology, ecology and population dynamics of exploited (or potentially exploited) species to enable and ensure a sustainable fisheries and management of the resource. The Ecosystem Approach to Fisheries (EAF) requires the investigation of the biology of the species, the structure of the fish communities, processes and carrying capacity in the ecosystem and the interrelationships between compartments of the system. A key requirement for understanding the status and development of a fish stock and its response to environmental changes is in the early life stages of the species. Eggs and larvae are the most vulnerable stages related to abiotic impacts or predators. Physiological constraints impact distribution and survival of the young stages and have a direct influence on year class strengths. Estuaries along tropical coasts play an important role as nursery areas for many species relevant to coastal fisheries. Small scale fisheries are of outstanding importance for the protein supply of local populations along tropical coasts. The biology and distribution of many species that are exploited are poorly studied or unknown, and stocks may be depleted before we even have the chance to learn their role in the ecosystem. This development leads to a decrease in biodiversity and may influence the stability of the coastal ecosystems.  

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