Résultats de la recherche
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Defining smaller-scale management units to further develop the ecosystem approach in managing large-scale pelagic krill fisheries in Antarctica
involves two different types of unit: the ‘harvesting unit’, which is at the scale of the metapopulation of ... the principles and approach required for developing small-scale management units to take account of ... considering the scales of management units involving the integration of local populations of harvested species ... , foraging areas of predators, fishing grounds and the potential influences of the environment, including ... ‘harvesting unit’, which is at the scale of the metapopulation of the harvested species, and the ‘predator ... diminishing density of the population at the periphery (Figure 1a). If the habitat is fragmented then the ... relatively independent of other systems or, at least, the links between the units are predictable. By ... metapopulation of the target spe- cies, e.g. Antarctic krill (E. superba) is assessed at the scale of the South ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 117–131 : Auteur(s): Constable, A.J. and S. Nicol
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An integrated stock assessment for the Heard Island and the McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2
eleginoides) fishery at the Heard Island and the McDonald Islands in CCAMLR Division 58.5.2 with data until ... end of July 2015. The updated assessment model is based on the best available estimates of model ... parameters, the use of abundance estimates from a random stratified trawl survey (RSTS), longline tag-release ... composition data to aid with the estimation of year class strength and selectivity functions of the trawl ...
Meeting Document : WG-FSA-15/52 : Auteur(s): P. Ziegler and D. Welsford (Australia)
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Updating the Antarctic krill biomass estimates for CCAMLR Subareas 48.1 to 48.4 using available data
assessment of the krill stock, at scales relevant to the Commission’s conservation objectives, is a ... Abstract: We present a novel index of Antarctic krill biomass in CCAMLR subareas 48.1 to 48.4 ... . The index also suggests that realised exploitation rates were below 0.5% (i.e. catch was <0.5% of ... also suggest that exploitation rates are low and that there is no evidence of a systematic change in ...
Meeting Document : WG-EMM-15/28 : Auteur(s): S. Hill, A. Atkinson, C. Darby, S. Fielding (United Kingsom), B. Krafft, O.R. Godø, G. Skaret (Norway), P. Trathan, J. Watkins (United Kingdom)
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BIOLOGICAL PROSPECTING IN THE SOUTHERN OCEAN, A ROLE FOR CCAMLR
fish and other vertebrates come in second at 10%. Of those records, the majority relate to fish, with ... Abstract: The issue of bioprospecting has been a constant item on the agenda of ATCM since 2003 ... established to examine the issue of Biological Prospecting in the Antarctic Treaty Area. Although increasingly ... is not defined in any international convention or agreement. Indeed, there remains a range of views ...
Meeting Document : CCAMLR-XXVII/BG/36 : Auteur(s): Submitted by IUCN
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SCIC-04
Conservation Measures 10-06 and 10-07 (CCAMLR-XXII, Annexes 7 and 8) Secretariat SCIC-04/06 Reports of at-sea ... /01 Provisional Agenda for the 2004 Meeting of the CCAMLR Standing Committee on Implementation and ... Compliance (SCIC) SCIC-04/02 List of documents SCIC-04/03 Rev. 2 Estimation of IUU catches of toothfish ... proposed IUU vessel lists: supplementary information Secretariat SCIC-04/05 Proposals for the revision of ...
Meeting
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WG-Joint-94
Full Name: Joint Meeting of WG-Krill and WG-CEMP Location: Cape Town, South Africa Date(s ... documents Doc Number Title WG-Joint-94/01 Provisional Agenda for the Second Joint Meeting of WG-KRILL and WG ... -CEMP WG-Joint-94/02 List of participants WG-Joint-94/03 List of documents WG-Joint-94/04 Further ... development of a krill fishery simulation model D.J. Agnew (Secretariat) WG-Joint-94/05 Modelling functional ...
Meeting
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Revised reports on abundance and biological information on toothfish in Division 58.4.4 a and b by Shinsei Maru No. 3 in 2010/11 season
)were observed at the 35 hauls. Most of whales observed and the predatory damaged toothfish occurred in ... the survey in two SSRUs (B & C) of Ob Lena Bank. Total catch (excluding fish released alive) of ... . eleginoides showed the highest catch of 35.4 tonnes, contributing 93.6 % to the total catch. Mean CPUEs of D ... %; 15.3 indiv. / 1,000 hooks) in terms of number and 62.3 kg / km (CV = 76.0%; 111.2 kg / 1,000 hooks) in ...
Meeting Document : WG-FSA-11/14 : Auteur(s): K. Taki, T. Iwami and M. Kiyota (Japan)
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Estimating fishing gear selectivity for Patagonian toothfish (Dissostichus eleginoides) caught by trawlers on the Heard Island plateau region (Division 58.5.2) using trawl and longline length frequency data and forward-calculated continuation ratios
selectivity begins from near 800 mm and declines from a selectivity of 1 to 0 at 1731 mm length. Adjusting for ... random length frequency (LF) data collected from each of trawlers and longliners for fishing seasons 2003 ... -2005 the upper arm of the gear selectivity function for trawlers is estimated using a two-stage process ... . In the first stage I estimate a parameter for each 40 mm wide length bin from the fit of a binomial ...
Meeting Document : WG-FSA-05/65 : Auteur(s): S.G. Candy (Australia)
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WG-SAM-2019
WG-SAM-2019/36 Updated biological parameters of Dissostichus mawsoni at Subarea 48.6 T. Okuda and R ... functionality of the meeting server. Meeting documents Doc Number Title WG-SAM-2019/01 Update report on marine ... -SAM-2019/02 Integrated research proposal for Dissostichus spp. in Subarea 88.3 by the Republic of ... Korea, New Zealand and Ukraine Delegations of the Republic of Korea, New Zealand and Ukraine WG-SAM-2019 ...
Meeting
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Development in maturity stage composition and vertical distribution in an Antarctic krill (Euphausia superba) hotspot
of both male adult stages (MIIIA and MIIIB) increased, but at a lower rate. Overall, there was also a ... Abstract: Antarctic krill (Euphausia superba) aggregate in various ways depending on a range of ... such as shelf edges and canyons, are considered as hotspots of high importance for regional pelagic ... ecosystems and also for the krill fishing industry. Despite the importance of such krill hotspots, their ...
Meeting Document : WG-EMM-14/15 : Auteur(s): B.A. Krafft, G. Skaret and T. Knutsen (Norway)