Determining sediment properties around a marine cage farm using acoustic ground discrimination: RoxAnn (TM)

Neil Mac Dougall, Kenny Black

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Sediment traps collected significant quantities of waste solids beneath marine fish cages at a fish farm site in Greece. Diver observation and the absence of dissolved hydrogen sulphide in the water overlying sediments revealed low benthic impacts despite the very low current speeds measured. An acoustic bottom discrimination system, ground-truthed by conventional remote photography, further confirmed the apparently low benthic impact at this site. These results may be explained partly by the large number of fish present around the cages feeding on farm wastes.
Original languageEnglish
Pages (from-to)451-458
Number of pages8
JournalAQUAC RES
Volume30
Issue number6
Publication statusPublished - 1999

Keywords

  • IRELAND
  • SEA
  • ENVIRONMENTAL IMPACTS
  • Fisheries
  • FINFISH AQUACULTURE

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