Résultats de la recherche
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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
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Monitoring results of marine debris at Cape Shirreff, Livingston Island during the 1995/96 Antarctic season
total of 4 251 articles with a total weight of 65.8 kg were obtained. As occurred in previous seasons ... %; metal (77 pieces), 1.81%; and paper (12 pieces), with a 0.28% From the plastic item, those used in ... at the site have increased from 0.65 articles/m2 in 1993/94 to 1.02 in 1994/95, and 1.52 in 1995/96 ... collars: two juveniles, and two pups three months old. All these animals were immovilized in order to take ...
Meeting Document : CCAMLR-XV/BG/27 : Auteur(s): Delegation of Chile
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Development of methods for evaluating the management of benthic impacts from longline fishing using spatially explicit production models, including model validation
Abstract: An important management objective for CCAMLR in the high seas region of the Antarctic ... extreme case studies to validate the underlying model and code. In general, the model simulations were ... that they are relatively simple to construct, run, and interpret. In most cases, the results of the ... simulations suggested that management action of areal closures in the Ross Sea region are likely to result in ...
Meeting Document : WG-FSA-10/29 : Auteur(s): A. Dunn, S.J. Parker and S. Mormede (New Zealand)
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Obligations des observateurs concernant l'échantillonnage de Dissostichus spp.
1. Observer sampling requirements for Dissostichus spp. in longline fisheries based on the data ... collection plan described in WG-FSA-10/32 (SC-CAMLR-XXIX, Annex 8, paragraph 5.34; SC-CAMLR-XXIX, paragraph ... sampling requirements are listed in Annex 1 of the CCAMLR Scheme of International Scientific Observation. 2 ... otolith samples and all Type II data. 5. All recaptured toothfish should be sampled as Type III in ...
Page : Site Section: Science
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Chiller killers – first steps towards identifying krill pathogens
Abstract: Antarctic Krill (Euphausia superba) is a ‘keystone species’ in the Southern Ocean ... providing the main source of food for many taxa high in the food chain such as baleen whales, penguins and ... waters of Antarctic krill northern distribution limit have experienced significant warming. In a changing ... across an altered geographic range. In this paper we present the initial findings from a histological ...
Meeting Document : WG-EMM-15/23 : Auteur(s): K. Bateman, R. Hicks, G. Tarling, M. Soeffker and G. Stentiford (United Kingdom)
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Analysis of catch and effort data from the IUU fishing vessel Kunlun
the Convention on the Conservation of Antarctic Marine Living Resources Area (CCAMLR Area) in order to ... provided to support CCAMLR members in their efforts to investigate or undertake other enforcement action in ... : Combined international efforts effectively shortened the FV Kunlun’s fishing campaign in the Convention ... Area in 2014-15 The majority of fishing was undertaken off the Antarctic coast not far from Australia’s ...
Meeting Document : CCAMLR-XXXIV/BG/18 : Auteur(s): Delegation of Australia
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At-sea distribution and prey selection of Antarctic petrels and commercial fisheries
like seabirds. In the Southern Ocean, there is an extensive fishery for Antarctic krill Euphausia ... operations versus predators is needed to predict fishery-related impacts on krill-dependent predators. In ... Antarctic petrels was limited but varied greatly among and within years, and was high in some periods during ... the non-breeding season. In a second step, we described the length frequency distribution of Antarctic ...
Meeting Document : WG-EMM-16/P15 : Auteur(s): S. Descamps, A. Tarroux, Y. Cherel, K. Delord, O.R. Godø, A. Kato, B.A. Krafft, S.-H. Lorentsen, Y. Ropert-Coudert, G. Skaret and Ø. Varpe
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Proposition de création d'une aire marine protégée dans la région de la mer de Ross
the establishment of a marine protected area (MPA) in the Ross Sea Region (“Ross Sea Region Marine ... CCAMLR). First submitted at CCAMLR XXXI in 2012, again at CCAMLR SM-II (CCAMLR-SM-II/04) and CCAMLR ... XXXII in 2013 (CCAMLR-XXXII/27), again at CCAMLR XXXIII in 2014 (CCAMLR-XXXIII/21), and at CCAMLR XXXIV ... in 2015 (CCAMLR-XXXIV/29 and CCAMLR-XXXIV/29rev1), our delegations propose that CCAMLR establish this ...
Meeting Document : CCAMLR-XXXV/25 Rev. 1 : Auteur(s): Delegations of New Zealand and the USA
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Managing the Ross Sea toothfish fisheries – A response to the consultation responses (COMM CIRC 18/39)
Abstract: In 2017 the fishery in the Northern Area of the Ross Sea Area 88.1 was opened for one ... Secretariat has taken note of the responses to the consultation released in COMM CIRC 18/21 (CCAMLR ... monitoring, and the calculation of closure dates, for the 2018/19 season in the Ross Sea: The Secretariat ... fisheries in the Ross Sea. For the first 3 days of the fishery, when little information is available from ...
Meeting Document : WG-FSA-18/07 : Auteur(s): CCAMLR Secretariat