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MEPS
Marine Ecology Progress Series

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MEPS 503:205-218 (2014)  -  DOI: https://doi.org/10.3354/meps10733

Nektonic assemblages determined from baited underwater video in protected versus unprotected shallow seagrass meadows on Kangaroo Island, South Australia

Sasha K. Whitmarsh1,*, Peter G. Fairweather1, Daniel J. Brock2, David Miller3

1School of Biological Sciences, Flinders University, GPO Box 2100, Adelaide, South Australia 5001, Australia
2Coast and Marine Program, Kangaroo Island Natural Resources Management Board, 35 Dauncey Street, Kingscote, Kangaroo Island, South Australia 5223, Australia
3Department of Environment, Water and Natural Resources, 1 Richmond Road, Keswick, South Australia 5035, Australia
*Corresponding author:

ABSTRACT: As the number of marine protected areas grows worldwide, it is important to understand how existing protected areas have functioned. Baited remote underwater video stations (BRUVS) are becoming a widely used technique for monitoring reef fish, but with few studies having so far used BRUVS in seagrass meadows, it remains unclear how they perform within these habitats. The aims of this study were to trial the use of BRUVS in shallow seagrass habitats and to compare animals observed at Pelican Lagoon Aquatic Reserve to 2 broadly similar locations on Kangaroo Island that have had no protection. BRUVS identified 47 distinguishable taxa from 5 phyla, with the majority (79%) of those being fishes. Assemblages taking into account relative abundances were not significantly different between protected and unprotected areas; however, species compositions alone varied significantly across all 3 locations. Only 2 out of 18 commercially and/or recreationally targeted species had a higher abundance within the reserve. Overall, BRUVS were found to be suitable for use in seagrass habitats; however, some limitations (particularly the potential for obstruction of the camera by seagrass blades) may exist.


KEY WORDS: BRUVS · Conservation · Fish · Habitat description · Marine protected area · Method development · Posidonia · Video


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Cite this article as: Whitmarsh SK, Fairweather PG, Brock DJ, Miller D (2014) Nektonic assemblages determined from baited underwater video in protected versus unprotected shallow seagrass meadows on Kangaroo Island, South Australia. Mar Ecol Prog Ser 503:205-218. https://doi.org/10.3354/meps10733

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