Resultados de la búsqueda
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PENGUIN RESPONSES TO CLIMATE CHANGE IN THE SOUTHERN OCEAN
at the borders of current geographic distributions, where penguins operate at the limits of their ... , oceanography and critical habitats. For example, in the southwest Atlantic, the distributional range of the ice ... -Southern Oscillation and the Southern Annular Mode are the main modes of climate variability that drive ... accordingly, complicating our understanding of their future population processes. Penguins have long life ...
Meeting Document : WG-EMM-09/P09 : Autor(es): J. Forcada and P.N. Trathan
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An integrated stock assessment for the Heard Island and the McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery (Division 58.5.2)
: 0.63-0.81), and survey q was estimated at 0.32 (95% CI: 0.23-0.47). Using this model, a catch limit of ... eleginoides) at the Heard and the McDonald Islands (Division 58.5.2) with data until mid August 2014. This ... best available estimates of model parameters, the use of abundance estimates from a random stratified ... composition data to aid with the estimation of year class strength and selectivity functions of sub-fisheries ...
Meeting Document : WG-FSA-14/34 : Autor(es): P. Ziegler, D. Welsford, W. de la Mare and P. Burch (Australia)
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Biomass/CCAMLR krill review
between them, precludes the implementation of a realistic multi-species management approach at present ... Abstract: Current knowledge of the ecology, biology and life history of the Antarctic krill ... of various national and international research programmes loosely co-ordinated under the auspices of ... BIOMASS (Biological Investigations of Marine Antarctic Systems and Stocks). Attention is focused on topics ...
Meeting Document : SC-CAMLR-VII/BG/39 : Autor(es): D.G.M. Miller and I. Hampton (South Africa)
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Report on fish by-catch on exploratory fishing in Divisions 58.4.1 and 58.4.2
changes within research blocks. Length at 50% maturity was estimated for the two most common species of ... or groups of species. In 2018, by-catch represented 12% of the total catch (43 tonnes over 307 tonnes ... of Dissostichus spp.) in Divisions 58.4.1 and 58.4.2. 98% of the biomass was represented by 2 ... everywhere. The ratio by-catch to target catch was higher in the eastern part of Division 58.4.1. The ratio ...
Meeting Document : WG-FSA-18/28 : Autor(es): C. Péron, P. Yates, D. Maschette, C. Chazeau, P. Ziegler, D. Welsford, N. Gasco and G. Duhamel
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Research plan for toothfish in Divisions 58.4.4a and 58.4.4b by Shinsei Maru No. 3 in 2012/13
using simple Petersen and 54 tonnes using CPUE comparison at 5 % of exploitation rate. From these ... of three segments of Trot line system and Spanish line system respectively, will be conducted at 14 ... 2011/12 fishing season with the aims of providing the data required for assessments of the population ... structure, size, movement and growth of Dissostichus spp. in the centred area of Division 58.4.4 a & b ...
Meeting Document : WG-SAM-12/17 : Autor(es): Delegation of Japan
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Phase-randomisation in an integrated assessment model for Antarctic krill
in seven sequential stages (the "phases") in a series of at least 20 replicate trials for ... Abstract: An integrated model was configured to estimate eighteen different subsets of 119 total ... parameters in alternative configurations of a model assessing the status and productivity of Antarctic krill ... configuration at pre-specified values. The model was fitted to survey and fisheries data for krill in Subarea ...
Meeting Document : WG-SAM-17/31 : Autor(es): D. Kinzey, G.M. Watters and C.S. Reiss
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Informe de la primera reunión del Grupo de acción del SCAR sobre kril (SKAG), celebrada el 16 de julio de 2018, en el Servicio Británico sobre la Antártida, Cambridge, Reino Unido
July 2018 at British Antarctic Survey following the WG-EMM. The meeting was attended by the members of ... Abstract: At last year’s meeting the Scientific Committee requested that SCAR consider the ... establishment of a krill expert group to bring together those scientists working on krill and to have a linkage ... to CCAMLR. Prof. Dr. Bettina Meyer (Germany), on behalf of the Scientific Committee, was tasked to ...
Meeting Document : SC-CAMLR-XXXVII/23 : Autor(es): B. Meyer
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Información sobre la pesca INDNR en las ZEE francesas alrededor de las islas Kerguelén y Crozet y en el Área estadística 58 de la CCRVMA
Antarctic Territories (TAAF) at Heard and McDonald Islands, as well as the Agreement of 2007 on the Treaty ... a number of resources available to the Secretariat at no charge, notably use of the Kerguelen ... Abstract: This report provides an update on implementation of the Treaty of 24 November 2003 ... surveillance system was in operation for the whole period, no observations of IUU fishing activity were noted ...
Meeting Document : CCAMLR-XXXIV/23 : Autor(es): Délégation française
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–H for the years 2002–03 to 2012–13
Abstract: This paper presents the Bayesian sex and age structured population stock assessment of ... 88.2C–H). We examined several models including the 2013 implementation of the 2011 base case (R1), using ... biomass than previously estimated, mainly due to the signal in the last three years of tag data. These are ... the data in which we have the highest degree of confidence for this fishery, due to improvements in ...
Meeting Document : WG-FSA-13/52 : Autor(es): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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Seabird research on Cape Shirreff, Livingston Island, Antarctica, 2000/01
research at Cape Shirreff, Livingston Island, Antarctica. Results of the monitoring activities undertaken ... Abstract: The austral summer 2000/01 marked the fourth full season of land-based predator ... in support of CCAMLR WG-EMM, are summarized in the report Author(s): M. Taft, I. Saxer and W ...
Meeting Document : WG-EMM-01/33 : Autor(es): M. Taft, I. Saxer and W. Trivelpiece (USA)