Comparison of remote video and diver's direct observations to quantify reef fishes feeding on benthos in coral and rocky reefs

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Abstract:

This study compared remote underwater video and traditional direct diver observations to assess reef fish feeding impact on benthos across multiple functional groups within different trophic categories (e.g. herbivores, zoobenthivores and omnivores) and in two distinct reef systems: a subtropical rocky reef and a tropical coral reef. The two techniques were roughly equivalent, both detecting the species with higher feeding impact and recording similar bite rates, suggesting that reef fish feeding behaviour at the study areas are not strongly affected by the diver's presence.

Document Type: Research Article

DOI: http://dx.doi.org/10.1111/j.1095-8649.2012.03441.x

Publication date: October 1, 2012

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