Aquaculture's Potential Impacts on Conservation of Wild Stocks and Biodiversity

Tisdell, C. A. (2003) Aquaculture's Potential Impacts on Conservation of Wild Stocks and Biodiversity. Aquaculture Economics and Management, 7 1-2: 155-165. doi:10.1080/13657300309380337

Author Tisdell, C. A.
Title Aquaculture's Potential Impacts on Conservation of Wild Stocks and Biodiversity
Journal name Aquaculture Economics and Management   Check publisher's open access policy
ISSN 1365-7305
Publication date 2003-01-01
Year available 2003
Sub-type Article (original research)
DOI 10.1080/13657300309380337
Open Access Status Not Open Access
Volume 7
Issue 1-2
Start page 155
End page 165
Total pages 11
Editor Carole R. Engle
Place of publication Philadelphia, Pa.
Publisher Taylor and Francis
Language eng
Subject C1
340202 Environment and Resource Economics
720204 Industry policy
Abstract Anderson theorizes that development of the aquaculture of a fish species (also captured in an open-access fishery) favours the conservation of its wild stocks, if competitive market conditions prevail. However, his theory is subject to significant limitations. While this is less so within his model, it is particularly so in an extended one outlined here. These other models allow 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 fish stocks and their biodiversity. While aquaculture development could in principle have no impact on the biodiversity of wild stocks or even raise aquatic biodiversity overall, its impact in the long-term probably will be one of reducing aquatic diversity both in the wild and overall. The development of aquaculture does not automatically ensure long-term sustainability of fish and other aquatic supplies.
Keyword aquaculture development
aquatic conservation
fish farming
open-access fishery
Q-Index Code C1
Additional Notes Online Publication Date: 01 January 2003

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Created: Wed, 15 Aug 2007, 12:41:58 EST