Coral abundance

Gregor Hodgson gregorh at ucla.edu
Mon Jan 21 19:39:24 EST 2002


In the pre-global bleaching year of 1997, the average global coral cover was
33% and in the Caribbean 21% according to:
Hodgson, G. 1999. A global assessment of human effects on coral reefs.
Marine Pollution Bulletin. 38 (5) 345-355.

Globally, on average there was a 10-11% decrease due to the bleaching event.
Additional data are available on www.reefcheck.org and a prelim five-year
analysis will be posted next month.
Greg

-----Original Message-----
From: owner-coral-list at coral.aoml.noaa.gov
[mailto:owner-coral-list at coral.aoml.noaa.gov]On Behalf Of Simone Siag
Oigman
Sent: Saturday, January 19, 2002 12:31 PM
To: Coral List
Subject: Coral abundance

Colleagues,
We have been searching the usual sources of literature (ASFA, Web of Science
and our local libraries, etc.) for review articles or research papers which
review stony coral abundance (density and/or cover) and which synthesise
differences between the world reefs and rocky shores. With the large amount
of studies which collect this type of data we were surprised by our
difficulty in coming up with anything concrete.
So... What is the average density of stony corals on the worlds coral reefs
and what proportion of area do they occupy?
How does this compare with rocky shore corals, or indeed do we have this
data?
If anyone would like to point us in the right direction, we would be most
grateful.

Simone Oigman and Joel Creed
Laboratorio de Ecologia Marinha/ UERJ
Brazil

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