Interactions between bivalve shellfish farms and fishery resources

Gibbs, Mark T. (2004) Interactions between bivalve shellfish farms and fishery resources. Aquaculture, 240(1-4), pp. 267-296.

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Abstract

The only possible way to increase seafood yields from many coastal and continental shelf regions of the world is through aquaculture. The most ecologically efficient forms of aquaculture are those operations culturing plants and lower trophic level animals, such as bivalve molluscs. It is therefore understandable why culturing of these organisms has steadily increased over at least the last two decades. However, the expansion of large-scale aquaculture has costs in terms of loss of water space that could be used for other activities, and carbon flows directed through the bivalves that could have been used to support other marine plants and animals (predation and production foregone). The dominant present users of many, if not most, coastal and continental shelf regions are commercial and, in some cases, recreational and indigenous customary fishers. Therefore, in many cases, it is these stakeholders who will stand to pay much of the direct costs of the expansion of aquaculture. Therefore, it is inevitable that in some cases, there will be conflict between these sectors as water space becomes more in demand and, hence, more valuable. Resource managers are therefore faced with making resource allocation decisions between alternate sectors, and these decisions should be based on robust knowledge of the costs and benefits of each alternative use. In the case of allocation decisions between bivalve aquaculture and wild stock fisheries, there is presently a paucity of knowledge surrounding the interactions between these two activities. The aim of the work presented here was to develop a framework for understanding these interactions and applying the framework in a case study in New Zealand. © 2004 Elsevier B.V. All rights reserved.

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32 citations in Web of Science®

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ID Code: 97785
Item Type: Journal Article
Refereed: Yes
Keywords: Aquaculture, Fisheries interactions, Mussels, Shellfish, fishery, resource management, shellfish culture, space use, Australasia, New Zealand, Animalia, Bivalvia, Martes, Mollusca
DOI: 10.1016/j.aquaculture.2004.06.038
ISSN: 0044-486
Copyright Owner: 2004 Elsevier
Deposited On: 31 Jul 2016 23:15
Last Modified: 31 Jul 2016 23:15

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