Repeatability of baited remote underwater video station (BRUVS) results within and between seasons

Sherman, C. Samantha, Heupel, Michelle R., Johnson, Mohini, Kaimuddin, Muslimin, Qamar, L. M. Sjamsul, Chin, Andrew, and Simpfendorfer, Colin A. (2020) Repeatability of baited remote underwater video station (BRUVS) results within and between seasons. PLoS ONE, 15 (12). e0244154.

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Baited remote underwater video stations (BRUVS) are increasingly being used to evaluate and monitor reef communities. Many BRUVS studies compare multiple sites sampled at single time points that may differ from the sampling time of another site. As BRUVS use grows in its application to provide data relevant to sustainable management, marine protected area success, and overall reef health, understanding repeatability of sampling results is vital. We examined the repeatability of BRUVS results for the elasmobranch community both within and between seasons and years, and explored environmental factors affecting abundances at two sites in Indonesia. On 956 BRUVS, 1139 elasmobranchs (69% rays, 31% sharks) were observed. We found consistent results in species composition and abundances within a season and across years. However, elasmobranch abundances were significantly higher in the wet season. The elasmobranch community was significantly different between the two sites sampled, one site being more coastal and easily accessed by fishermen. Our results demonstrate that while BRUVS are a reliable and repeatable method for surveying elasmobranchs, care must be taken in the timing of sampling between different regions to ensure that any differences observed are due to inherent differences amongst sampling areas as opposed to seasonal dissimilarities.

Item ID: 66078
Item Type: Article (Research - C1)
ISSN: 1932-6203
Copyright Information: © 2020 Sherman et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Funders: Paul G. Allen Philanthropies (PGAP), Operation Wallacea, Wasage Divers
Projects and Grants: PGAP Global FinPrint Project
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Date Deposited: 17 Feb 2021 18:09
FoR Codes: 41 ENVIRONMENTAL SCIENCES > 4104 Environmental management > 410402 Environmental assessment and monitoring @ 100%
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