Abstract
The zonation of dominant organisms on the beach rock at Heron Island was
reinvestigated following the work of Endean, Stephenson, and Kenny (1956) and three
zoning algae were noticed. Field indications suggested the apparent sparsity of
the biota was due to the browsing activities of fish.
Fish-proof enclosures were constructed, some containing browsing molluscs,
and the fauna and flora therein were compared with the surrounding areas by means
of detailed general observation, and by estimation of the chlorophyll concentration
per unit area of surface. The results confirmed that browsing fish are the most
important single controlling factor.
Subject
Ecology,Aquatic Science,Ecology, Evolution, Behavior and Systematics,Oceanography
Cited by
83 articles.
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