A live video observatory reveals temporal processes at a shelf-depth whale-fall

Glover, Adrian; Higgs, Nicholas D.; Bagley, Philip M.; Carlsson, Ralph; Davies, Andrew J.; Kemp, Kirsty M.; Last, Kim M.; Norling, Karl; Rosenberg, Rutger; Wallin, Karl-Anders; Kallstrom, Bjorn; Dahlgren, Thomas G.. 2010 A live video observatory reveals temporal processes at a shelf-depth whale-fall. Cahiers de Biologie Marine, 51 (4). 375-381.

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There have been very few studies of temporal processes at chemosynthetic ecosystems, even at relatively more accessible shallow water sites. Here we report the development and deployment of a simple cabled video observatory at ≈ 30 m water depth in Gullmarsfjorden, Sweden. The camera provides a live video feed to the internet of faunal activity in the experiments, which to date have included 5 separate whale-fall deployments. Our data suggest that the time to decomposition of small cetacean carcasses at shelf-depth settings is considerably slower than at deep-sea sites. We have also provided a new methodology for the deployment of low-cost live video observatories at up to 30 m water depth, which can be used both for research and outreach activities.

Item Type: Publication - Article
ISSN: 0007-9723
Date made live: 30 Jan 2018 11:40 +0 (UTC)

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