Résultats de la recherche
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Breeding biology and diet of pintado petrels Daption capense at Bouvetøya during the summer of 1996/97
Abstract: A study on the breeding biology and diet of Pintado Petrels Daption capense was ... success for the total 300 pairs of breeding Pintado Petrels at Nyrøysa was 59 %. Three study colonies were ... was 85 %. Rates of failure were higher during the chick stage than in the egg stage for both of these ... two study colonies. The mean hatching date in these colonies was 11 January, and the first and last ...
Meeting Document : WG-EMM-97/56 : Auteur(s): Isaksen, K., Huyser, O., Dyer, B.M., Cooper, J., Ryan, P.
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Marine debris collected at Cape Shirreff, Livingston Island, during the Antarctic season 1993/94
. Since the snowmelt was near complete at the site during this season, it was possible to collect and ... Abstract: As a complementary activity related to demographic studies on the population of ... Arctocephalus gazella, and with the purpose of having a baseline zero for further studies using the guidelines ... prepared by the CCAMLR Secretariat, a survey to develop a complete collection of marine debris and heavy ...
Meeting Document : CCAMLR-XIII/BG/17 : Auteur(s): Delegation of Chile
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Age and Length Growth of Champsocephalus gunnari, Lonnberg 1905 (Pisces, Chaenichthyidae, in the Area of Elephant Island, West Zone, Antarctica
Abstract: In order to extend the knowledge on the age and growth of antarctic fishes, the authors ... present herein the results of the data processing arising from samplings o f a species belonging to the ... Chaenichthyidae family, Champsocephalus gunnari. The age determination of this species, was made using the otolith ... fine cutting technique. Through the reading of the growth rings the age classes corresponding to3, 4, 5 ...
Meeting Document : WG-FSA-85/11 : Auteur(s): A.P. Tomo and E. Barrera-Oro (Argentina)
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CCAMLR’s role in combating IUU fishing in the Southern Ocean and globally
Abstract: Abstract The persistence of IUU fishing in the CCAMLR Area undermines the intrinsic ... values of CCAMLR and of the Antarctic Treaty. Thus, eliminating IUU fishing must continue to be a top ... priority for CCAMLR as an integral part of the Antarctic Treaty System. Thus far, in spite of the number of ... can take individually and collectively to eliminate IUU fishing in the CCAMLR Area. An important step ...
Meeting Document : CCAMLR-XXIX/BG/20 : Auteur(s): ASOC Observer
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Oceanography of the South Georgia and South Orkney Islands regions using high-resolution models
Abstract: The shelf regions around South Georgia and the South Orkney Islands are highly ... . Many of the key oceanographic and ecological processes determining the operation of these marine ... ecosystems operate over small spatial scales of <10 km. Understanding the drivers of variability in such ... processes requires the development of high-resolution ocean models. Here we describe the development of ...
Meeting Document : WG-EMM-17/30 : Auteur(s): E. Young, E. Murphy and P. Trathan
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Using preferred habitat models for chinstrap penguins (Pygoscelis antarctica) to help improve krill fisheries management during the penguin breeding season
planning. Using habitat models to understand which variables influence the distribution of predators at-sea ... can enable us to predict the distributions of un-tracked populations, and thus help to identify any ... potential threats they may face. In the Southern Ocean the expanding krill fisheries have the potential to ... impact penguin populations. We show that the distribution of chinstrap penguins can be predicted using ...
Meeting Document : WG-EMM-17/33 : Auteur(s): V. Warwick-Evans, N. Ratcliffe, H.L. Clewlow, L. Ireland, A. Lowther, F. Manco and P.N. Trathan
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Revised research plan for the 2017/18 exploratory longline fishery of D. mawsoni in Subarea 48.6 by South Africa and Japan
Abstract: South Africa and Japan revised the next season’s (2017/18) research plan in Subarea ... 48.6 using the latest CCAMLR C2 and Observer data, following the recommendations and notification from ... extracts provided by the CCAMLR Secretariat on the 27th of July, 2017 were used. The estimated median stock ... , and 8044.33 tonnes, respectively, when applying the Chapman method. Chapman method considers tags that ...
Meeting Document : WG-FSA-17/10 : Auteur(s): Delegations of Japan and South Africa
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Research plan for the 2018/19 exploratory longline fishery of D. mawsoni in Subarea 48.6 by Spain
Abstract: A proposal from Spain to join the current research proposal coordinated between JAP and ... ZAF is presented. In the SC-2017 report, the Scientific Committee noted that the future inclusion of ... an ice strengthened vessel, in an expanded research plan for this area, would address the capacity ... issues that the research conducted by Japan and South Africa were experiencing (parag 3.109) and ...
Meeting Document : WG-SAM-18/02 : Auteur(s): Delegation of Spain
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By-catch of rays in the 2002/03 toothfish fishery around South Georgia
Abstract: The 2002/2003 fishing season was the first in which three new policies for rays were ... tried: • It was the first in which vessels were asked to cut off all rays at water level to assist ... survival and conservation of rays; • It was the first in which very good quality information was available ... from all observers’ tally periods on the catch rates of rays cut off the line; • In 2003 the UK, with ...
Meeting Document : WG-FSA-03/58 : Auteur(s): D.J. Agnew, J. Pearce and M. Endicott (United Kingdom)
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JGYM: a java version of the Generalised Yield Model
the current toothfish assessment methodology using the Generalised Yield Model (GYM), a Java version ... of the GYM has been developed. The new version has been developed directly from the specifications ... kindly provided by Dr Andrew Constable. Some routines have been translated from the GYM FORTRAN code into ... Java. As such, if sufficiently similar results can be obtained from the JGYM and the current GYM given ...
Meeting Document : WG-FSA-SAM 03/16 : Auteur(s): R.N. Vilhelm (United Kingdom)