Influence of coral cover and structural complexity on the accuracy of visual surveys of coral-reef fish communities

Darren James Coker, J. P. Nowicki, N. A. J. Graham

Research output: Contribution to journalArticlepeer-review

2 Scopus citations


Using manipulated patch reefs with combinations of varying live-coral cover (low, medium and high) and structural complexity (low and high), common community metrics (abundance, diversity, richness and community composition) collected through standard underwater visual census techniques were compared with exhaustive collections using a fish anaesthetic (clove oil). This study showed that reef condition did not influence underwater visual census estimates at a community level, but reef condition can influence the detectability of some small and cryptic species and this may be exacerbated if surveys are conducted on a larger scale.
Original languageEnglish (US)
Pages (from-to)2425-2433
Number of pages9
JournalJournal of Fish Biology
Issue number6
StatePublished - Apr 19 2017

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