395
11 Management of Spawning Aggregations
Country/
state
Species
Management measures
Year
implemented
Results of measure
Comments
References
Red hind
Seasonal bag limit (10
fi sh per boat per day)
1990
Reported landings
declined during
closure period
Unable to validate
landings data
B. Luckhurst
personal
observation
Black grouper
Spatial/temporal closure
(May–Aug)
2005
Insuffi cient data to
assess; heavily
fi shed outside
closure period
Assessment started in
2005, ongoing
research
Luckhurst ( 2010 )
Black grouper
Spatial/temporal closure
(May–Nov)
2008–2010
Aggregation period
appears to be
longer than fi rst
assumed
Extended closure period
to allow further
research and tagging
T. Trott (pers.
comm., 2008 )
Luckhurst,
unpublished data
British
Virgin
Islands
Red hind, white
margate, black
margate
Temporal closure
(Jan–March). Take
and marketing
prohibited
2003
Enforced and markets
monitored, but
impact of
management unclear
N. Eristhee
personal
communication
Nassau grouper
Temporal closure
(March–May). Take
and marketing
prohibited
2003
No longer targeted,
by-catch only
N. Eristhee
personal
communication
Cayman
Islands
Nassau grouper
Closed season
(Nov–March); no
trapping within 1 nm
of sites during
spawning season; no
spearfi shing at sites
2002
Ineffective, most sites
disappeared since
monitoring began
in 1987
Declines in catch, size
and CPUE
Bush et al. ( 2006 )
Nassau grouper
Total ban on fi shing
at all 6 spawning
aggregation sites
for 8 years
2003–2011
West End Little
Cayman site
rediscovered and
heavily fi shed in
2001–2002
Whaylen et al.
( 2004 ) and
Semmens et al.
( 2007 )
(continued)