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Economic tradeoffs in the Gulf of Maine ecosystem: Herring and whale-watching

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  • Lee, Min-Yang

Abstract

This research attempts to quantify some of the effects of localized depletion of herring by examining the search times of commercial whale-watching vessels. Whale-watching vessels are indirect users of herring; whales feed on herring and may disperse when prey availability is low. A dataset of daily whale-watching outcomes is combined with fishing effort and oceanographic data to test the hypothesis that intensive fishing effort increases the search time of whale-watching companies. Our results suggest that fishing may have a detrimental impact on search time; however, the magnitude of this effect is fairly small. We find policy that the recently enacted policy which prohibits fishing for herring in whale-watching areas would decrease search times by a small amount. We find some evidence of a localized aggregation effect; search times are the lowest when herring are spawning in the inshore areas. These results should be of interest to policymakers in determining future fishing regulations in an ecosystem-based fisheries management context.

Suggested Citation

  • Lee, Min-Yang, 2010. "Economic tradeoffs in the Gulf of Maine ecosystem: Herring and whale-watching," Marine Policy, Elsevier, vol. 34(1), pages 156-162, January.
    • Handle: RePEc:eee:marpol:v:34:y:2010:i:1:p:156-162
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