Video-assisted grabbing: a minimally destructive method of sampling azooxanthellate coral banks

P B Mortensen, J Murray Roberts, R C Sundt

Research output: Contribution to journalArticle

Abstract

Traditional techniques used to sample azooxanthellate coral banks by dredge and trawl cause extensive impact to both the corals and surrounding seabed. Modern sampling techniques using submersibles and remotely operated vehicles cause ver); little or no damage, but are expensive and require specialized vessels. Here we describe a combination of video camera and benthic grab for sampling azooxanthellate corals and Lest this method on a Lophelia pertusa bank in Osterfjorden, western Norway. The video-assisted grab was successfully used both for locating and sampling L. pertusa. This method can largely replate the use of traditional, more destructive dredging and trawling techniques for sampling azooxanthellate corals.
Original languageEnglish
Pages (from-to)365-366
Number of pages2
JournalJ MAR BIOL ASSOC UK
Volume80
Issue number2
Publication statusPublished - 2000

Keywords

  • Marine & Freshwater Biology
  • LOPHELIA-PERTUSA L

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