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Pandalus Assessment Working Group Report (WGPAND)

ICES
Working paper
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URI
http://hdl.handle.net/11250/100945
Date
2006
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  • ICES CM documents authored by IMR scientists (1949-2011) [3138]
Original version
This report is not to be quoted without prior consultation with the General Secretary.  
Abstract
TOR. The ICES Pandalus Assessment Working Group [WGPAND] met in Halifax, 26 October–3

November 2005. The WG participants represented Denmark, Norway, Sweden and Russia

(Section 2). The terms of reference for the Working group were: To carry out assessments of

the stock of Pandalus in Skagerrak and the Norwegian Deeps (IIIa and Iva East) and the stock

in the Barents Sea and Svalbard area (I and II) and to provide advice (catch options) for these

stocks in 2006, see Section 1.

This year’s meeting was organised as a joint meeting between WGPAND and NAFO

STACFIS annual shrimp meeting with common participation in all sessions by both

WGPAND and STACFIS members.

THE PANDALUS STOCKS INCLUDED IN WGPAND.

The WG deals with the Pandalus stock in the Barents Sea and two Pandalus stocks in the

North Sea area: The stock in the Skagerrak and Norwegian Deep and the stock in the Fladen

Ground, see Section 3.

ASSESSMENTS AND STATE OF STOCKS. PANDALUS IN THE SKAGERRAK AND NORWEGIAN DEEP (IIILA & IVs EAST).

This year’s assessment is based on a (new) stock production assessment model (described in

WP, Annex 3) together with observed trends in LPUEs. The model does not provide a basis

for forecasts but gives some relative information on the state of the stock relative to a MSY

based reference point.

The state of this Pandalus stock in 2005 and 2006 is presented in Sect. 4.5. It is based on the

stock production assessment model and the recent trends in LPUE. The stock seems to be on

the same, rather high, level as in recent years. Stock level seems to be well above the

suggested reference point (30% Bmsy).

PANDALUS IN THE FLADEN GROUND (IVa).

The most recent analytical assessment of this stock was presented in the 1992 ACFM Report

(ICES, 1993). Landings have declined gradually from 1999 to 2003, but in 2004 nearly no

catches were recorded (23 t). No monitoring of this stock has taken place, but it cannot be

ruled out that the dramatic drop in 2004 also reflects a serious decline in the stock, see Section

5.3.

PANDALUS IN THE BARENTS SEA AND SVALDBARD AREA (Subareas I & II).

Several models have been applied for assessment of this stock. However in recent years, the

views on the state of the stock have been based on survey indices combined with trends in

CPUE. SSB appears to have been declining in recent years, see Section 6.4.

BY-CATCH IN THE PANDALUS FISHERIES.

Sections 7 and 8 give overviews of the by-catch based on mainly available logbook

information.

WORKING PROCEDURES JOINT ICES-NAFO MEETINGS.

Comparing with the 2004 joint meeting, the 2005 ICES-NAFO meeting saw considerable

improvements. The advantages and disadvantages of these joint meetings have become

clearer. Disregarding the problems of adapting the ICES and NAFO meeting procedures it is

obvious that (Section 2.1):

A major advantage is the improved opportunities and obligations to discuss scientific and

other topics of common interest concerning assessment of Pandalus stocks along with the

increased number of scientists at the joint meetings.

However, integrated management advice including ecosystem considerations in relation to

management, is better discussed on a regional basis.
Description
Contributors: Michaela Aschan, Guldborg Søvik, Carsten Hvingel, Knut Sunnanå
Publisher
ICES
Series
ICES CM documents
2006/ACFM:10

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