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Development of methods relevant to feedback management (FBM) for the krill fishery
Abstract: The primary objective for this project is to develop knowledge on the marine ... environment essential for the implementation of a Feed-Back Management (FBM) system. In terms of FBM, Marine ... . Thus, data supporting FBM as an integral part of the broader management strategies of the krill ... fisheries within Domain 1 are critical if the fishery is to be managed by an empirical understanding of ...
Meeting Document : WG-EMM-18/08 : Autor(es): B.A. Krafft, A. Lowther, G. Macaulay, M. Chierici, M. Biuw, A. Renner, T.A. Klevjer, R. Øyerhamn, C.A. Cárdenas, J. Arata, A. Makhado, C. Reiss and O.A. Bergstad
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Draft MPA Report for the South Orkney Islands, Subarea 48.2; Part of CCAMLR MPA Planning Domain 1, Western Peninsula – South Scotia Arc
plans and research and monitoring plans for CCAMLR MPAs. We develop a worked example of the management ... plan, research and monitoring plan and threats analysis for the South Orkney Islands southern shelf MPA ... which falls within CCAMLR MPA Planning Domain 1. We suggest that this CCAMLR MPA Report for the South ... Orkney Islands could form the basis for the MPA Report for CCAMLR MPA Planning Domain 1. We propose that ...
Meeting Document : WG-EMM-13/10 : Autor(es): P. Trathan and S. Grant (United Kingdom)
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CONDITIONING SMOM USING THE AGREED CALENDAR OF OBSERVED CHANGES IN PREDATOR AND KRILL ABUNDANCE: A FURTHER STEP IN THE DEVELOPMENT OF A MANAGEMENT PROCEDURE FOR KRILL FISHERIES IN AREA 48
reference observations for Area 48 (the SAM calendar). Results are presented for two implementations of SMOM ... , one with the time series of krill abundance fixed on input, and the other incorporating an explicit ... agreeing the relative plausibilities (weights) for the different operating models. An outline of suggested ... -predator-fishery dynamics described in an accompanying paper is conditioned using the WG-SAM set of ...
Meeting Document : WG-EMM-08/44 : Autor(es): É.E. Plagányi and D.S. Butterworth (South Africa)
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Conservation Measure Conservation Measure 41-02 (2014)
por las latitudes 52°30'S y 56°00'S y las longitudes 33°30'O y 48°00'O. 3. En el Anexo 41-02/A de esta medida ... entre el 1 de diciembre al 30 de noviembre, o hasta que se alcance el límite establecido, lo que ocurra primero ... del límite de captura. Protección del medio ambiente 20. Se aplicará la Medida de Conservación 26-01 ... de nivel 1 000 y 2 000 m. 40 W43 30' W Subarea 48.3 52 30' S 33 30' W 56 S Management Area ... Limits on the fishery for Dissostichus eleginoides in Statistical Subarea 48.3 in the 2013/14 and ...
Conservation Measure : 41-02 (2014)
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A comparison between otoliths and scales for use in estimating the age of Dissostichus eleginoides from South Georgia
caught off South Georgia using otoliths and scales. For scales, we made impressions on acetate slides ... Paper Title: A comparison between otoliths and scales for use in estimating the age of ... result in large errors in age data for long-lived species, usually due to compression of scale circuli ... ; for otoliths, we used transverse sections prepared by baking and grinding the posterior and anterior ... . Sustainable exploitation rates should have been 20-30% of that based on age determinations from scales, in ... using scales than otoliths. There was evidence that for fish older t l~an 16 years (estimated using ... . MSE is an unbiased estimate for o2 within the design, however it is dependent on how the degrees of ... two readings. The bias for Reading 2 by Reader 1 was 0.51 years; the bias for Reading 2 by Reader 2 ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 75–92 : Autor(es): Ashford, J.R., S. Wischniowski, C. Jones, S. Bobko and I. Everson
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Are penguins and seals in competition for Antarctic krill at South Georgia?
1989 and 2000. Foraging ranges of the two species showed considerable overlap in both years but the ... population during their breeding season. For explaining the opposing population trends of the two species ... , respectively, the main mammal and bird consumers of Antarctic krill (Euphausia superba). In recent years the ... population of fur seals has increased whereas that of macaroni penguins has declined. Both species feed on ...
Meeting Document : WG-EMM-02/22 : Autor(es): K.E. Barlow, I.L. Boyd, J.P. Croxall, K. Reid, U.J. Staniland and A.S. Brierley (United Kingdom)
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Factors to consider in developing management measures for krill
Living Resources is given along with an outline of steps for the evolution of management procedures for ... Paper Title: Factors to consider in developing management measures for krill Abstract ... / Description: A brief review of the objectives of the Convention for the Conservation of Antarctic Marine ... are dependent on krill forms an integral part of objectives of the Commission for the Conservation of ... Convention for the Conservation of Antarctic Marine Living Resources is given along with an outline of ... operations tend to concentrate on known fishing grounds; there is no reason for fishing fleets to search for ... knowledge; for various reasons, errors will be made in applying conservation measures. Two types of errors ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 175–187 : Autor(es): de la Mare, W.K.
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Integrated weight longlines: potential for reduction of skate by catch in demersal longline fisheries
weight longlines (IW) in a demersal longline fishery for effects on skate bycatch. Trials took place on ... Abstract: We analyzed data collected during 2005 seabird mitigation experiments on integrated ... two vessels targeting Pacific cod (Gadus macrocephalus) over a five-month period in the Bering Sea ... , Alaska, USA. The skate catch rate was 11% lower on the IW gear compared to unweighted gear. Location ...
Meeting Document : WG-FSA-07/51 : Autor(es): K. Dietrich and E. Melvin (USA)
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Fishing of the Patagonian toothfish (Dissostichus eleginoides) by the Chilean fleet (1991/92) in the Subarea 48.3 (South Georgia Island) and proposed TAC for the 1991/1993 season
biological sampling carried out on board the vessels operating in the region were used for the analysis. From ... between 7 832 and 8 210 tonnes. On the basis of these results, the proposed TAC for the 1992/93 season in ... Georgia Island). From the end of December 1991 until the closing of the fishery on the 10th March 1992 ... , the fleet caught around 80% of the TAC set for this subarea. The catch and effort data and the ...
Meeting Document : WG-FSA-92/24 : Autor(es): P.A. Espina, M.A. Araya and V.V. Meniconi (Chile)
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Fishery Report 2017: Closed fishery for Dissostichus spp. in Divisions 58.4.4a and 58.4.4b
Description / Abstract: Fishery Report 2017: Closed fishery for Dissostichus spp. in Divisions ... developed a framework for designing and undertaking research fishing designed to lead to an assessment of ... requirements for Dissostichus spp. in longline fisheries based on the data collection plan are described in ... : length-frequency distributions are only presented for those years/SSRUs in which the number of fish ... 214 otoliths (of 3 013 fish sampled) ranged from 4 to 48 years for females and from 5 to 48 years for ...
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