Title
SG-RST 10-03: Review of scientific advice part 3: widely distributed and Black Sea stocks, and stocks and fisheries located in Outermost Regions

Description

Meeting open to observers: Yes

Please Note: Only those receiving an invitation letter to attend a meeting as observers will be granted access to the meeting. If you are interested to attend the meeting as observer please make yourself familiar with the rules and procedures for observer registration/invitation including the protocol for observers.


Date
11 Oct 2010 --- 15 Oct 2010

Venue
Cadiz (Spain)

Chair
J. Casey

DG MARE unit / focalpoint
P. Daniel + Regional Unit focal persons

STECF Secretariat / JRC focalpoint
jrc-stecf-secretariat@ec.europa.eu

Review Process
STECF winter plenary

Registration Instructions

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Terms of Reference

Documents

 


Description of revised ICES advice

 

Dear all,
Ices has just infromed us about a mistake when applying the MSY transitional framework to some stocks. Indeed, the formula for the ICES MSY transition, which ICES described in the "introduction" to its advice, has been implemented in some specific cases differently from what is written, particularly when SSB is lower than SSBMSY-trigger and F is above FMSY, where the formula for the first year should be:

                   0,8.Fpresent + 0,2.FMSY.(SSBpresent/SSBtrigger)

However, in such cases the SSB ratio has erroneously been multiplied on the sum of the two Fs and not just on the FMSY part.
This mistake only affects the final calculation of the transition formula.
ICES is presently working on updates and will issue formal errata sheet as soon as possible.
So STECF SG-RST 10-03, which will meet from 11.10 to 15.10.2010, will be asked, when reviewing stock assessment released by ICES, to pay attention to advice which were already reviewed by the SG-RST 10-02 and to update its opinion where needed.
The stocks concerned are:

Best regards and have a nice end of week, Patrick.

 


Final Report