The refore,one way to reduce effort could be to ban fishing
an other day a week(apart from Saturday and Sunday),and
consequently allow fishing only 4 days a week,equivalent to a
20% effort reduction. Because daily effects can be significant in
some fisheries, itwouldbeimportanttoestablishtheirrelevance
for aparticular fishery,in order to determine which day of the
week is better to ban the fishery.