Scenario-based analyses evaluate potential outcomes of proposed regulatory changes in recreational fishery

Author:

Thomas Alyssa S1ORCID,Milfont Taciano L2,Gavin Michael C13

Affiliation:

1. School of Geography, Environment and Earth Sciences, Victoria University of Wellington, Kelburn Parade, Wellington 6023, New Zealand

2. School of Psychology, Victoria University of Wellington, Kelburn Parade, Wellington 6023, New Zealand

3. Human Dimensions of Natural Resources, Colorado State University, Fort Collins, CO 80523-1401, USA

Abstract

Abstract Understanding current and predicting future behaviour of fishers is fundamental to designing effective management strategies. The management of most recreational fisheries requires releasing fish not meeting size or daily limits, and assuming the majority survive. In the Marlborough Sounds, New Zealand, a maximum size limit imposed on the blue cod (Parapercis colias) fishery aimed to achieve a more balanced sex ratio for this hermaphroditic species. We tested three alternative size limit scenarios (current, increased, and no maximum size) in a study with recreational fishers (N = 420) to investigate whether regulation change would influence their intentions to discard fish and fishing satisfaction. Increasing or eliminating the maximum size led to lower discard intentions and greater fishing satisfaction, suggesting strategies to achieve both management goals (e.g. more large fish) and increased fisher satisfaction (potentially increasing compliance). More broadly, the results demonstrate the benefits of using scenarios to evaluate potential regulatory changes prior to implementation.

Funder

School of Psychology at Victoria University of Wellington

Publisher

Oxford University Press (OUP)

Subject

Ecology,Aquatic Science,Ecology, Evolution, Behavior and Systematics,Oceanography

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