Résultats de la recherche
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Measurements of sound-speed and density contrasts of Antarctic krill (Euphausia superba) on board RV Kaiyo Maru
Abstract: In order to calculate the target strength of Antarctic krill (Euphausia superba) using ... of krill were measured during the Antarctic surveys conducted by the Japanese RV Kaiyo Maru in 1999 ... South Shetland Islands in February 2000. These were 21.7mm and 1.049, and 45.1mm and 1.043 in the Ross ... Sea in January and February 2005. Sound-speed was measured using the "time of flight" method ...
Meeting Document : WG-EMM-08/56 Rev. 1 : Auteur(s): Y. Takao, H. Yasuma, R. Matsukura, K. Amakasu and M. Naganobu (Japan)
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YEAR OF THE SKATE SAMPLING PROTOCOL: LEARNING FROM THE 2007–08 SEASON SAMPLING PROTOCOL ON NZ VESSELS
Abstract: Skates are an important bycatch of the toothfish fishery in the CCAMLR area and have ... required before a full assessment can be carried out. In 2007, WG-SAM recommended (CCAMLR XXVI WG-SAM ... effort on bycatch will be concentrated on skate species in that year in order to inform a full skate ... from the fishery and a revised skate tagging protocol. These changes were piloted in the 2007–08 season ...
Meeting Document : WG-FSA-08/49 : Auteur(s): S. Mormede (New Zealand)
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Aggregation patterns of pelagic predators and their principal prey, Antarctic krill, near South Georgia
is an explicit consideration of the separation in space between swarms of krill and aggregations of ... predators that feed upon krill. 2. Our data were collected in February 1986, during a systematic shipboard ... seals were distributed in a strikingly non-random fashion at sea near South Georgia; their ... predators in their spatial distribution and in their response to krill swarms suggest interspecific ...
Meeting Document : WG-CEMP-93/13 : Auteur(s): R.R. Veit (USA), E.D. Silverman (USA) and I. Everson (United Kingdom)
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Krill fishery report: 2010 update
(China, Japan, Korea, Norway, Poland, Russia) have fished in Area 48. The total catch reported to May ... total catch of krill for the season is 150000-180000 t. In 2008/09, five Members fished for krill in ... largest catch of krill was taken from SSMU SOW (South Orkney West) in Subarea 48.2 (89184 t), and the ... remainder of the catch was taken predominantly in Subarea 48.1, notably 19691 t from SSMU APBSE (Antarctic ...
Meeting Document : WG-EMM-10/05 : Auteur(s): Secretariat
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Second progress report of the CEMP Special Fund overwinter penguin tracking project
the CEMP Special Fund in 2015/16. Of 150 tags purchased in 2016, all have been deployed and the data ... in 2017 have been collated and fit to state-space models, allowing estimation of habitat utilization ... distributions. Tracks for juvenile Adélie penguin deployed in 2018 remain to be analyzed. Preliminary ... , while gentoo adults and Adélie juveniles shared similar distributions for SST in 2017. All tracked ...
Meeting Document : WG-EMM-18/24 : Auteur(s): J. Hinke, G. Watters, M. Santos, M. Korczak-Abshire and G. Milinevsky
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Fishery monitoring and closure procedures
interpretation and application of procedures to monitor and forecast closures in CCAMLR fisheries in the 2018/19 ... season. Key issues in applying the procedures, and specific instances which resulted in catch over-runs ... and under-runs in certain circumstances are examined. Author(s): CCAMLR Secretariat Title: Fishery ...
Meeting Document : CCAMLR-38/BG/12 : Auteur(s): CCAMLR Secretariat
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Report on the status of wandering, black-browed and grey-headed albatrosses at South Georgia
albatrosses were carried out at South Georgia in the 2003/04 breeding season. Wandering albatrosses were ... photography and subsequent counting on computer screen using Adobe Photoshop software. In total, an estimated ... -headed albatrosses were breeding at South Georgia in the 2003/04 season. Compared to results from a ... conducted in the mid 1980s, numbers of these two species appear to have decreased by 26% and 14 ...
Meeting Document : WG-FSA-04/71 : Auteur(s): S. Poncet (United Kingdom),G. Robertson (Australia), R. Phillips (United Kingdom), K. Lawton (Australia), B. Phalan, J. Croxall and P. Trathan (United Kingdom)
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Focusing and testing fisher know-how to solve conservation problems: a common sense approach
regulatory attention. When such issues arise, especially in US fisheries, they can threaten fisheries and ... seabird mortality in two fisheries: the Puget Sound drift gillnet fishery for sockeye salmon and the ... longline fisheries in Alaska for sablefish and Pacific cod. Although these fisheries are very different ... , the cooperative research model we have developed is the same and is proving successful in both. At the ...
Meeting Document : WG-FSA-03/20 : Auteur(s): E.F. Melvin and J.K. Parrish (USA)
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The Generalised Yield Model version 5: structure, specifications and examples for validation
Abstract: The Generalised Yield Model (GYM) was first developed in 1995 as a generalised form of ... catches set by a proportion of an estimate of pre-exploitation biomass (as in krill), a specified catch in ... the units of biomass and relative to the recruitment parameters (as in toothfish) or according to a ... version of GYM (Version 5.01b) differs from earlier versions in 2 main ways: (i) improved storage of ...
Meeting Document : WG-FSA-SAM 03/14 : Auteur(s): A. Constable (Australia)
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ENVIRONMENTAL FORCING AND SOUTHERN OCEAN MARINE PREDATOR POPULATIONS: EFFECTS OF CLIMATE CHANGE AND VARIABILITY
potentially the location where the most rapid climate change is most likely to happen, particularly in the ... high-latitude polar regions. In these regions, even small temperature changes can potentially lead to ... major environmental perturbations. Climate change is likely to be regional and may be expressed in ... predator populations show periodicity in breeding performance and productivity, with relationships with the ...
Meeting Document : WG-EMM-08/P06 : Auteur(s): P.N. Trathan, J. Forcada and E.J. Murphy