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Old 02-15-2010, 06:14 PM   #34
MikeToole
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Join Date: Apr 2003
Location: N. H. Seacoast
Posts: 368
Quote:
Originally Posted by MakoMike View Post
The base of the VPA (Virtual population Analysis) is sampling. This is true for any species not just bass. Take a look at the sotck assessment for weakfish (sequetog) and you'll see that the biomass is estimate at an alltime low. Look a little further and you'll see that they don't know what is killing all the fish, they just know that something is. The similar model for bass would take all mortality into account. To put it simply this years estimated biomass is the sum of last year's biomass minus all mortality plus all recruitment. They don't need to know what the source of the mortality is to estimate the biomass. Once the estimate the total mortality then they can subtract the known mortality factors and then try to estimate what is causing the unknown sources of mortality. But that has nothing to do with setting the quotas. If they set the quota too high this year it will automagically be compensated in the next year.
The weakfish stock is listed as depleted to an all time low. While ASMFC is saying over fishing isn't the problem, it is the only thing they have immediate control over. So how does ASMFC address this.

"Upon receiving this stock information in 2009, the Weakfish Management Board approved new measures for implementation in 2010. Addendum IV to Amendment 4 requires states to implement a one fish recreational creel limit, 100 pound commercial trip limit, 100 pound commercial bycatch limit during closed seasons, and 100 undersized fish per trip allowance for the finfish trawl fishery."

Here is a fishery at an all time low and ASMFC is still not willing to stop fishing for them. This is why I have little faith in ASMFC stepping in to address any striper issues until they're in real deep trouble.
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