Generating spatial data for marine conservation and management

Last modified: 
March 17, 2017 - 1:57pm
Type: Journal Article
Year of publication: 2017
Date published: 02/2017
Authors: Lindsay Aylesworth, Ratanawaree Phoonsawat, Pholphisin Suvanachai, Amanda Vincent
Journal title: Biodiversity and Conservation
Volume: 26
Issue: 2
Pages: 383 - 399
ISSN: 0960-3115

Do fishers know best when it comes to identifying areas with rare and depleted fish species? The global conservation crisis demands that managers marshal all available datasets to inform conservation management plans for depleted species, yet the level of trust placed in local knowledge remains uncertain. This study compares four methods for inferring species distributions of an internationally traded, rare and depleted genus of marine fishes (Hippocampus spp.): the use of (i) fisher interviews; (ii) government research trawls, (iii) scientific diving surveys, and (iv) citizen science contributions. We analyzed these four datasets at the genus and individual species levels to evaluate our conclusions about seahorse spatial occurrence, diversity of species present and the cost effectiveness of sampling effort. We found that fisher knowledge provided more information on our data-poor fish genus at larger spatial scales, with less effort, and for a cheaper price than all other datasets. One drawback was that fishers were unable to provide data down to the species level. People embarking on conservation endeavors for data-poor species may wish to begin with fisher interviews and use these to inform the application of government research, scientific diving, or citizen science programs.

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