MPA Benefits - In Numbers

John McManus jmcmanus at
Thu Mar 7 14:57:56 EST 2002

There are several papers now that show increases in stock and catch when an
MPA has been established. The effect is most clear when the reserve is in
the midst of very heavily overfished areas -- any protection then usually
results in dramatic benefits. One or two studies that showed little or no
positive impacts have been from areas such as the GBR where fishing pressure
is not nearly as high. See papers by Angel Alcala, Gary Russ and Robert
Pomeroy (Masinloc) for starters.




John W. McManus, PhD
Director, National Center for Caribbean Coral Reef Research (NCORE)
Rosenstiel School of Marine and Atmospheric Sciences (RSMAS)
University of Miami, 4600 Rickenbacker Causeway
Miami, Florida 33149.
jmcmanus at
Tel. (305) 361-4814
Fax (305) 361-4910

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