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The sublittoral macroflora of Hornsund

Author(s): Agnieszka Tatarek | Józef Wiktor | Michael A. Kendall

Journal: Polar Research
ISSN 0800-0395

Volume: 31;
Start page: 1;
Date: 2012;
Original page

Keywords: Macroalgae | Hornsund | Arctic fjord | West Spitsbergen | laminariales

Combined hydroacoustic, video and direct examination by scuba-diving of the underwater meadows of Hornsund, a flagship biodiversity site in Svalbard, revealed 17 species of macroalgae with a biomass, dominated by Laminariales, of as much as 3 kg m−2. The biomass dominants were Laminaria digitata and Saccharina latissima, which were most abundant at depths of between 5 and 10 m. The species data presented are the first records for the fjord and provide a starting point for new research and a baseline for future assessments of climate-induced changes.
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