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The Impact of Nassau Grouper Size and Abundance on Scuba Diver Site Selection and MPA Economics

The Impact of Nassau Grouper Size and Abundance on Scuba Diver Site Selection and MPA Economics Since many fisheries are size-selective, the establishment of marine protected areas (MPAs) is expected to increase both the average size and abundance of exploited species, such as the valuable but vulnerable Nassau grouper ( Epinephelus striatus ). Increases in mean size and/or abundance of protected species within MPAs may also provide nonextractive economic value to recreationalists. In this research, we assessed scuba diver preferences for viewing Nassau grouper and the marginal tradeoffs that divers exhibited between fish size and abundance and between dive group size and price in the Turks and Caicos Islands. We used results from a paired comparison conjoint survey to develop market share simulations of dive site choice. Market shares increased significantly for sites with increased Nassau grouper abundance and mean size. This implies that Nassau groupers provide nonextractive economic value to divers. Our results suggest that accounting for the nonextractive value of increased fish abundance and size may influence the economic viability of MPAs. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Coastal Management Taylor & Francis

The Impact of Nassau Grouper Size and Abundance on Scuba Diver Site Selection and MPA Economics

Coastal Management , Volume 30 (2): 19 – Apr 1, 2002
19 pages

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References (37)

Publisher
Taylor & Francis
Copyright
Copyright Taylor & Francis Group, LLC
ISSN
1521-0421
eISSN
0892-0753
DOI
10.1080/089207502753504670
Publisher site
See Article on Publisher Site

Abstract

Since many fisheries are size-selective, the establishment of marine protected areas (MPAs) is expected to increase both the average size and abundance of exploited species, such as the valuable but vulnerable Nassau grouper ( Epinephelus striatus ). Increases in mean size and/or abundance of protected species within MPAs may also provide nonextractive economic value to recreationalists. In this research, we assessed scuba diver preferences for viewing Nassau grouper and the marginal tradeoffs that divers exhibited between fish size and abundance and between dive group size and price in the Turks and Caicos Islands. We used results from a paired comparison conjoint survey to develop market share simulations of dive site choice. Market shares increased significantly for sites with increased Nassau grouper abundance and mean size. This implies that Nassau groupers provide nonextractive economic value to divers. Our results suggest that accounting for the nonextractive value of increased fish abundance and size may influence the economic viability of MPAs.

Journal

Coastal ManagementTaylor & Francis

Published: Apr 1, 2002

Keywords: Conjoint Analysis; Marine Reserves; Nassau Grouper; Nonmarket Valuation; Paired Comparison

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