Résultats de la recherche
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Workshop on International Coordination (14 to 18 July 1997)
agreed during a planning session at the 1996 meeting of WG-EMM to conduct observations at a common set of ... Abstract: The 1997 Workshop on International Coordination was convened by Suam Kim (Korea) at ... 0900 on 14 July 1997 at the Southwest Fisheries Science Center, La Jolla, California. In attendance ... stations along the 55°W meridian north and south of Elephant Island. These stations correspond to Stations ...
Meeting Document : WG-EMM-97/44
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Part 1. Seabird assemblages during trawling operations
Abstract: Our knowledge of seabird assemblage composition and abundance at-sea is limited by the ... were a total of 13 species recorded, with only two species only found at Elephant or South Orkney ... availability of vessel platforms. Fishing vessels is an alternative to dedicated research vessels. Besides, it ... Islands. Mean species richness per set during fishing operations was 4-5, with a mean abundance of 139 ...
Meeting Document : WG-FSA-16/20 : Auteur(s): J.A. Arata
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Reproduction in Antarctic notothenioid fish - a review
% at spawning. Apart from a few nototheniid species the GSI of males is much less and typi6dlly only 15 ... –20% of that of females. Length at first spawning may be from 55% of Lmax onwards, but in many species ... at South Georgia which may begin spawning at about 40% of Lnax. Most species of the Seasonal Pack-ice ... although spawning is likely to take place annually. However, part of the populations of Champsocephalus ...
Meeting Document : SC-CAMLR-X/BG/12 : Auteur(s): Delegation of Germany
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Assessment models for Patagonian toothfish in research block 58.4.4b_1 (SSRU 58.4.4bC) for the years 1990-2014
at the estimates of OB_1b model, use of knife edge selectivity at fixed 8 year for disease mortality ... tagging data (OB_1b_notag model) and 5) removal of age observations, and fix of both selectivitties at the ... Abstract: We made five sensitive runs of single-sex age-structured CASAL models for stock status ... assessments of Dissostichus eleginoides in the research block 58.4.4b_1 following the recommendation of the WG ...
Meeting Document : WG-SAM-15/25 : Auteur(s): K. Taki (Japan), S. Mormede (New Zealand) and T. Ichii (Japan)
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Report on the CCAMLR marine debris monitoring program
bands found at King George Island. Overall, the amount of debris in colonies of grey-headed albatrosses ... number of marine mammal entanglements has remained relatively constant at Bird Island but continues to ... . Non-fishing items such as plastics, packaging materials and wood remain the most common type of debris ... , wandering albatrosses and black-browed albatrosses at Bird Island continues to decrease, with the major ...
Meeting Document : WG-FSA-14/68 : Auteur(s): Secretariat
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Downward adjustments to local catch limits for the krill fishery in Subarea 48.1
monitor, with remote cameras, the mean ages at crèche of Adélie, chinstrap, and gentoo penguins at ... collected by this camera network, and camera-based estimates of age at crèche are on par with those based on ... refer to a catch limit that applies to a group of SSMUs (gSSMU), and the work presented here is based on ... the gSSMUs defined in another compilation of vignettes (AERD 2016a, pp. 3-13). We propose downward ...
Meeting Document : WG-EMM-16/46 : Auteur(s): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries
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Beach debris survey Signy Island, South Orkney Islands, 1998/99
of debris at sea. Author(s): Delegation of the United Kingdom Title: Beach debris survey Signy ... Abstract: The ninth annual beach debris survey was carried out at Signy Island, South Orkney ... categories. A total of 83 items weighing 12.96 kg was collected. The number of items recovered was the ... highest since 1996/97 and showed an increase of 86% compared to the previous year. The total mass of items ...
Meeting Document : CCAMLR-XVIII/BG/7 : Auteur(s): Delegation of the United Kingdom
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Revised research plan for the exploratory fisheries for Dissostichus spp. in Division 58.4.3a in 2014/15
and recaptured only at the western end of the block, as pointed out at the last WG-FSA meeting ... Abstract: In this document, we revised stock status assessments of D. eleginoides in research ... blocks 5843a_1 using CPUE analogy method, Petersen method and CASAL model, although the tagging data of ... number of tag recaptures from the estimated stock sizes using the Petersen and CASAL methods was ...
Meeting Document : WG-FSA-14/20 : Auteur(s): Delegation of Japan
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Maturity stages for skates (Rajiformes)
-laying. Additionally, the current description of females at stage 2 (maturing) in the CCAMLR observer ... a four-stage key that allows for the collection of data for fish that are at active stages of the ... , important elements of the reproductive cycle may go unrecorded, including females in the process of egg ... manual could lead to some confusion between fish at stage 2 and stage 3 (mature). Suggestions for ...
Meeting Document : CCAMLR-XXXIII/03 : Auteur(s): J. R. Ellis, S.R. McCully Phillips and V. Laptivovsky (United Kingdom)
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Maturity stages for skates (Rajiformes)
-laying. Additionally, the current description of females at stage 2 (maturing) in the CCAMLR observer ... a four-stage key that allows for the collection of data for fish that are at active stages of the ... , important elements of the reproductive cycle may go unrecorded, including females in the process of egg ... manual could lead to some confusion between fish at stage 2 and stage 3 (mature). Suggestions for ...
Meeting Document : WG-FSA-14/33 : Auteur(s): J.R. Ellis, S.R. McCully Phillips and V. Laptivovsky (United Kingdom)