New Zealand fisheries management: changes in property rights structure and implications for sustainability

James M. Stewart and Peter D. Callagher
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James M. Stewart: UNITEC, Auckland, New Zealand, Postal: UNITEC, Auckland, New Zealand
Peter D. Callagher: UNITEC, Auckland, New Zealand, Postal: UNITEC, Auckland, New Zealand

Sustainable Development, 2003, vol. 11, issue 2, 69-76

Abstract: Participation in the New Zealand fishing industry exists on two levels: quota holding and quota ownership. This study is motivated by the desire to establish whether changes in the number and concentration of quota ownerships and quota holdings have had any impact on the sustainability of fishery in New Zealand.

Of the 294 marine species commercially harvested in New Zealand the top 15 by volume and|or value are considered in this paper. Findings indicate that quota ownership and holding have become more concentrated since the inception of the individual transferable quota (ITQ) regime, with the concentration ratios CR4, CR10 and CR20 all increasing. This suggests that the introduction of the ITQ has not encouraged the entry of new market participants; rather the industry has moved toward a single ownership model.

Second, this paper establishes trends in the level of total allocable commercial catch (TACC) over the study period (August 1986-June 2000). Findings suggest that, with one or two interesting exceptions, catch levels have remained remarkably constant. Prima facie, there appears to have been no adverse impact from structural change on the overall resource sustainability based on TACC. Copyright © 2003 John Wiley & Sons, Ltd. and ERP Environment

Date: 2003
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Persistent link: https://EconPapers.repec.org/RePEc:wly:sustdv:v:11:y:2003:i:2:p:69-76

DOI: 10.1002/sd.208

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