Aquaculture : a newly emergent food production sector-and perspectives of its impacts on biodiversity and conservation

De Silva, Sena S. 2012, Aquaculture : a newly emergent food production sector-and perspectives of its impacts on biodiversity and conservation, Biodiversity and conservation, vol. 21, no. 12, pp. 3187-3220.

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Title Aquaculture : a newly emergent food production sector-and perspectives of its impacts on biodiversity and conservation
Author(s) De Silva, Sena S.
Journal name Biodiversity and conservation
Volume number 21
Issue number 12
Start page 3187
End page 3220
Total pages 34
Publisher Springer Netherlands
Place of publication Dordrecht, The Netherlands
Publication date 2012-11
ISSN 0960-3115
1572-9710
Keyword(s) alien species
aquaculture
biodiversity
effluents
farmed
food fish supply
impacts
salmonids
shrimp
tilapias
Summary The fisheries sector in the course of the last three decades have been transformed from a developed country to a developing country dominance. Aquaculture, the farming of waters, though a millennia old tradition during this period has become a significant contributor to food fish production, currently accounting for nearly 50 % of global food fish consumption; in effect transforming our dependence from a hunted to a farmed supply as for all our staple food types. Aquaculture and indeed the fisheries sector as a whole is predominated in the developing countries, and accordingly the development strategies adopted by the sector are influenced by this. Aquaculture also being a newly emerged food production sector has being subjected to an increased level of public scrutiny, and one of the most contentious aspects has been its impacts on biodiversity. In this synthesis an attempt is made to assess the impacts of aquaculture on biodiversity. Instances of major impacts on biodiversity conservation arising from aquaculture, such as land use, effluent discharge, effects on wild populations, alien species among others are highlighted and critically examined. The influence of paradigm changes in development strategies and modern day market forces have begun to impact on aquaculture developments. Consequently, improvements in practices and adoption of more environmentally friendly approaches that have a decreasing negative influence on biodiversity conservation are highlighted. An attempt is also made to demonstrate direct and or indirect benefits of aquaculture, such as through being a substitute to meet human needs for food, particularly over-exploited and vulnerable fish stocks, and for other purposes (e.g. medicinal ingredients), on biodiversity conservation, often a neglected entity.
Language eng
Field of Research 070401 Aquaculture
Socio Economic Objective 830102 Aquaculture Fin Fish (excl. Tuna)
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2012, Springer Science+Business Media B.V.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30048800

Document type: Journal Article
Collection: School of Life and Environmental Sciences
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