Résultats de la recherche

1. Fishing with pots in the Antarctic region (CCAMLR Statistical Subareas 48.1, 48.2 and 88.3)

   the fishing gear, with a distance of approximately 90 m between them. The pots were lowered at a depth ... of 290-1 920 m. A total of 300 pots of four different designs were used. Approximately 1 kg of either ... ) with 51.2 g/pot. In general, P. anemerae was captured in all researched subareas, with a higher yield ...

   Meeting Document : WG-FSA-98/20

2. DEVELOPMENT OF EFFECTIVE MITIGATION TO REDUCE SEABIRD MORTALITY IN THE ICEFISH (CHAMPSOCEPHALUS GUNNARI) TRAWL FISHERY IN SUBAREA 48.3

    Subarea 48.3 became a concern in the late 1990s. At this time there was little knowledge on how to ...  mitigate such mortality. As an interim measures a vessel specific 20‐bird mortality threshold was ...  introduced for Subarea 48.3 in 2001. This provided a strong commercial incentive for industry to develop ...  several measures, including net‐binding and net weighting. Net binding has proved to be a highly effective ...

   Meeting Document : WG-IMAF-09/15 : Auteur(s): B. Sullivan (BirdLife International), J. Clark (United Kingdom), K. Reid (Secretariat) and E. Reid (BirdLife International)

3. APPLICATION TO UNDERTAKE WINTER SCIENTIFIC RESEARCH IN CCAMLR SUBAREA 88.1 (SSRUS 88.1B, 88.1C AND 88.1G) IN THE 2008/09 SEASON

   Abstract:  New Zealand proposes to conduct a scientific research survey during the austral winter ... in CCAMLR SSRUs 88.1B, 88.1C and, ice permitting, 88.1G in 2008/09, as the first in a three year time ... series. The proposal is for a targeted longline survey designed to cover critical gaps in the knowledge ... of the life cycle of D. mawsoni in the Ross Sea by collecting biological samples from a broad spread ...

   Meeting Document : WG-FSA-08/62 : Auteur(s): Delegation of New Zealand

4. Estimation of size at maturity and calculation of an appropriate size limit for male Paralomis formosa

   Abstract:  A number of weighted smoothing splines were fit to data on carapace length and size ... . Bootstrapping techniques provided a bias-corrected estimate of morphometric size at maturity (sBc) equal to 80 ... claws). Given the uncertainty in sBC and the lack of information about body size growth rates, a wide ... species, there does not seem to be a sufficiently strong biological reason to revise the size limit ...

   Meeting Document : WG-FSA-96/35 : Auteur(s): Watters, G.

5. Gentoo penguin Pygoscelis papua diet as an indicator of planktonic availability in the Kerguelen Islands

   zooplankton derived from penguins' diet matched closely those from net hauls during a year of high ... plankton availability (1987). On the other hand, a weaker correspondence was found during a year of ... therefore needed in the near future to validate the potential of penguin diet as a measure of plankton ...

   Meeting Document : WG-Joint-94/11 : Auteur(s): C.A. Bost, P. Koubbi, F. Genevois, L. Ruchon and V. Ridoux (France)

6. Distribution of krill (Euphausia superba Dana) catches in the South Shetlands and South Orkneys

   to have a consistent pattern in Subarea 48.1 but an unpredictable distribution in Subarea 48.2 ... , probably as a result of more variable hydrographic conditions. About 50% of the catch in Subarea 48.1 from ... fishery and predators as a result of large increases in catch is likely to emerge in these areas earlier ... than would be expected considering the fishery as a whole. Author(s):  D.J. Agnew (Secretariat) Title ...

   Meeting Document : WG-KRILL-92/19 : Auteur(s): D.J. Agnew (Secretariat)

7. An assessment of Chaenocephalus aceratus and Pseudochaenichthys georgianus in Subarea 48.3

   because of a lack of reliable biological and catch data. This paper attempts to reconstruct the fishery ... and length data from Polish research and commercial sources has been used with the new catch data in a ... . Projections indicate that C. aceratus is unlikely to sustain a high level of catch even when it recovers ... , although P. georgianus may sustain a fishery of about 2 000 tonnes. The current TAC (Total Allowable Catch ...

   Meeting Document : WG-FSA-90/06 : Auteur(s): D.J. Agnew (Secretariat) and K.-H. Kock (Germany)

8. Entanglement in man-made debris of Antarctic fur seals at Bird Island, South Georgia

   . This represents at least 0.1% of the total Bird Island population and a minimum of 0.4% of animals in ... the best covered areas; a maximum value might approach 1%. Poly-propylene straps (packaging bands ... problem at South Georgia is similar to that with northern fur seals at the Pribilof Islands, where a ... entanglement problem is not to increase beyond the level of a potential threat. Author(s):  J.P. Croxall, S ...

   Meeting Document : CCAMLR-VIII/BG/05 : Auteur(s): J.P. Croxall, S. Rodwell and I.P. Boyd (United Kingdom)

9. Krill stock evaluation with data from commercial fishing vessels

   board during normal fishing operations in a relatively easy and cheap manner using the Norwegian vessel ... ‘Saga Sea’ in 2011 as example. A one-month subset of the acoustic data from February/March was processed ... within a time-frame of a week and linked to krill length data from the same period. The data from the ...

   Meeting Document : WG-EMM-12/63 : Auteur(s): G. Skaret (Norway), J. Moir Clark (United Kingdom), O.R. Godø, R.J. Korneliussen, T. Knutsen, B.A. Krafft and S.A. Iversen

10. Summary of toothfish tagging suitability data from paired Spanish line – trotline sets

    only tag fish with a high probability of survival. Further it recommends that fish hooked only in the ... mouth should be tagged. A new data collection form was implemented in 2012 to allow evaluation of fish ... and operational effects would be useful in a multivariate analysis to identify the factors affecting ... simultaneously, the trotline configuration had a higher catch rate overall for Patagonian toothfish. However, the ...

    Meeting Document : WG-FSA-12/49 : Auteur(s): S. Parker and D. Fu (New Zealand)

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