Author:
Jones Ross J.,Steven Andrew L.
Abstract
Small fragments of the zooxanthellate corals
Pocillopora damicornis and
Porites lichen were subjected to a range of cyanide
concentrations for various times (i.e. to various cyanide doses). Doses
encompassed those likely to be experienced by corals as a result of various
cyanide fishing practices. Following the highest doses, corals died; after
medium doses, they lost their zooxanthellae (symbiotic algae) resulting in a
discolouration or ‘bleaching’; and after the lowest doses they
lost zooxanthellae but not in sufficient numbers to cause noticeable
discolouration. Respiratory rates of P. damicornis were
inhibited by 10–90% following exposure to cyanide but recovered
to pre-exposure levels within 1–2 h after transfer to clean sea water.
Subject
Ecology,Aquatic Science,Ecology, Evolution, Behavior and Systematics,Oceanography
Cited by
56 articles.
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