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Bioeconomic Analysis of Aquaculture's Impact on Wild Stocks and Biodiversity AgEcon
Tisdell, Clement A..
Anderson theorizes that development of the aquaculture of a species of fish (also captured in an open-access fishery) favours the conservation of its wild stocks, if competitive market conditions prevail. However, this theory is shown to be subject to significant limitations. While this is less so within his model, it is particularly so in an extended one outlined here. The extended model allows for the possibility that aquaculture development can impact negatively on wild stocks thereby shifting the supply curve of the capture fishery, or raise the demand for the fish species subject both to aquaculture and capture. Such development can threaten wild stocks and their biodiversity. While aquaculture development could in principle have no impact on the...
Tipo: Working or Discussion Paper Palavras-chave: Aquaculture development; Aquatic conservation; Biodiversity; Common-property; Fish farming; Open-access fishery; Environmental Economics and Policy.
Ano: 2002 URL: http://purl.umn.edu/48739
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Socioeconomic Factors Influencing Customary Marine Tenure in the Indo-Pacific Ecology and Society
Cinner, Joshua; James Cook University; joshua.cinner@jcu.edu.au.
For generations communities in the Western Pacific have employed a range of resource management techniques (including periodic reef closures, gear restrictions, entry limitations, and the protection of spawning aggregations) to limit marine resource use. Localized control over marine resources, commonly known as customary marine tenure (CMT), is the legal and cultural foundation for many of these practices. Because of their perceived potential to meet both conservation and community goals, these traditional resource management techniques are being revitalized by communities, governments, and NGOs as an integral part of national and regional marine conservation plans in the Pacific. However, the viability of conservation strategies built on a foundation...
Tipo: Peer-Reviewed Reports Palavras-chave: Customary marine tenure; Common-property; Socioeconomic; Papua New Guinea; Indonesia..
Ano: 2005
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