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An interview-based approach to assess marine mammal and sea turtle captures in artisanal fisheries

Publication ,  Journal Article
Moore, JE; Cox, TM; Lewison, RL; Read, AJ; Bjorkland, R; McDonald, SL; Crowder, LB; Aruna, E; Ayissi, I; Espeut, P; Joynson-Hicks, C ...
Published in: Biological Conservation
March 1, 2010

Recent case studies have highlighted high bycatch mortality of sea turtles and marine mammals in artisanal fisheries, but in most countries there are few data on artisanal fishing effort, catch, or bycatch. With artisanal fisheries comprising >95% of the world's fishermen, this knowledge gap presents a major challenge to threatened species conservation and sustainable fisheries initiatives. We report on results from an intensive pilot study to evaluate whether interview surveys can be effective in assessing fishing effort and threatened species bycatch. Fisheries and bycatch data from interviews with >6100 fishermen in seven developing countries were collected in <1 year for approximately USD $47,000, indicating that this approach may rapidly yield coarse-level information over large areas at low cost. This effort provided the first fisheries characterizations for many areas and revealed the widespread nature of high bycatch in artisanal fisheries. Challenges to study design and implementation prevented quantitative estimation or spatial comparisons of bycatch during this pilot research phase, but results suggested that annual sea turtle bycatch may number at least in the low thousands of individuals per country. Annual odontocete bycatch may number at least in the low hundreds per country. Sirenian bycatch occurred in all study areas but was frequent only in West Africa. We discuss lessons learned from this survey effort and present a revised protocol for future interview-based bycatch assessments. © 2009 Elsevier Ltd. All rights reserved.

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Published In

Biological Conservation

DOI

ISSN

0006-3207

Publication Date

March 1, 2010

Volume

143

Issue

3

Start / End Page

795 / 805

Related Subject Headings

  • Ecology
  • 4104 Environmental management
  • 3109 Zoology
  • 3103 Ecology
  • 07 Agricultural and Veterinary Sciences
  • 06 Biological Sciences
  • 05 Environmental Sciences
 

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Moore, J. E., Cox, T. M., Lewison, R. L., Read, A. J., Bjorkland, R., McDonald, S. L., … Kiszka, J. (2010). An interview-based approach to assess marine mammal and sea turtle captures in artisanal fisheries. Biological Conservation, 143(3), 795–805. https://doi.org/10.1016/j.biocon.2009.12.023
Moore, J. E., T. M. Cox, R. L. Lewison, A. J. Read, R. Bjorkland, S. L. McDonald, L. B. Crowder, et al. “An interview-based approach to assess marine mammal and sea turtle captures in artisanal fisheries.” Biological Conservation 143, no. 3 (March 1, 2010): 795–805. https://doi.org/10.1016/j.biocon.2009.12.023.
Moore JE, Cox TM, Lewison RL, Read AJ, Bjorkland R, McDonald SL, et al. An interview-based approach to assess marine mammal and sea turtle captures in artisanal fisheries. Biological Conservation. 2010 Mar 1;143(3):795–805.
Moore, J. E., et al. “An interview-based approach to assess marine mammal and sea turtle captures in artisanal fisheries.” Biological Conservation, vol. 143, no. 3, Mar. 2010, pp. 795–805. Scopus, doi:10.1016/j.biocon.2009.12.023.
Moore JE, Cox TM, Lewison RL, Read AJ, Bjorkland R, McDonald SL, Crowder LB, Aruna E, Ayissi I, Espeut P, Joynson-Hicks C, Pilcher N, Poonian CNS, Solarin B, Kiszka J. An interview-based approach to assess marine mammal and sea turtle captures in artisanal fisheries. Biological Conservation. 2010 Mar 1;143(3):795–805.
Journal cover image

Published In

Biological Conservation

DOI

ISSN

0006-3207

Publication Date

March 1, 2010

Volume

143

Issue

3

Start / End Page

795 / 805

Related Subject Headings

  • Ecology
  • 4104 Environmental management
  • 3109 Zoology
  • 3103 Ecology
  • 07 Agricultural and Veterinary Sciences
  • 06 Biological Sciences
  • 05 Environmental Sciences