[OANNES Foro] Marine reserve effects on fishery profits: a comment

[Mario Cabrejos]

Ecology Letters
Volume 12 Issue 3, Pages E9 - E11
Published Online: 22 Dec 2008

Marine reserve effects on fishery profits: a comment on White et al. (2008)
Deborah R. Hart 1* and Michael P. Sissenwine 2 
  1 Northeast Fisheries Science Center, 166 Water St., Woods Hole, MA 02543, USA 
  2 Marine Policy Center, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA 
Correspondence to   *E-mail:deborah.hart en noaa.gov 

ABSTRACT
A recent study (White et al. 2008) claimed that fishery profits will often be higher with management that employs no-take marine reserves than conventional fisheries management alone. However, this conclusion was based on the erroneous assumption that all landed fish have equal value regardless of size, and questionable assumptions regarding density-dependence. Examination of an age-structured version of the White et al. (2008) model demonstrates that their results are not robust to these assumptions. Models with more realistic assumptions generally do not indicate increased fishery yield or profits from marine reserves except for overfished stocks.
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