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Characterising the preferred at-sea habitats used by chinstrap penguins and the fishery for Antarctic krill: slow-flowing, nearshore waters over shallow bathymetry
locations of animals during the breeding season from untracked colonies, even in different regions and ... that better understanding of krill retention and depletion in areas used by natural predators and the ... of chinstraps breeding at the South Shetland Islands, based on the distance from the colony, and the ... bearing to the shelf edge, adjusting for the at-sea density of Pygoscelis penguins from other colonies ...
Meeting Document : WG-EMM-17/34 : Автор(ы): P.N. Trathan, V. Warwick-Evans, J. Hinke, E.F. Young, A.P.B. Carneiro, M.P. Dias, K. Kovacs, O.R. Godø and M. Santos
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Consumption estimates for male Antarctic fur seals at the South Orkney Islands during the post mating migration
Abstract: The estimates of fur seal consumption of krill in subareas 48.1 to 48.3 which have been ... used in ecosystem modelling and CCAMLR’s risk assessment approach, are based on the distribution of fur ... in order to provide more robust estimates of the fur seal impact on this region that can be used to ... their biomass is orders of magnitude less than those of penguins. As a result the estimates of fur seal ...
Meeting Document : WG-EMM-18/10 : Автор(ы): I. Staniland and S. Hill
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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)
the proportion of tag-recaptures in survey catch on the main trawl ground. All model runs were ... 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 ... . Compared to the 2013 assessment, this assessment takes into account the recommendations of WG-FSA-2013, SC ...
Meeting Document : WG-FSA-14/34 : Автор(ы): P. Ziegler, D. Welsford, W. de la Mare and P. Burch (Australia)
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Revised continuation proposal of multi-Member research on Patagonian toothfish (Dissostichus eleginoides) exploratory fishery in 2018/19 in Division 58.4.3a by France and Japan
milestones in accordance with Conservation Measure 41-06 and associated measures. In October 2017, the ... Abstract: France and Japan revised a research plan to continue investigating the populations of ... Patagonian toothfish (D. eleginoides) in the Division 58.4.3a during the next fishing seasons from 2017/18 ... Division, research fishing has been conducted by France and Japan since 2012 in the research block by three ...
Meeting Document : WG-FSA-18/61 : Автор(ы): Delegations of France and Japan
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Results from the 2019 annual acoustic krill monitoring off the South Orkney Islands
Abstract: In 2019, the annual IMR regional krill monitoring survey off the South Orkneys was ... conducted by RV Kronprins Haakon as part of the Scotia Sea large scale krill monitoring effort. To allow for ... present the results from the 2019 regional survey processed and analysed in the same way as the annual ... edge north of the Islands. Also the krill areal density measured on the 120 kHz of 69.87 g/m 2 was very ...
Meeting Document : WG-EMM-2019/69 : Автор(ы): G. Skaret, B.A. Krafft, G. Macaulay, T. Knutsen and O.A. Bergstad
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Exploring the ASPM as an alternative method to estimate the Patagonian toothfish biomass at CCAMLR Subarea 48.3
fit with standardized CPUE series and observed length proportions in the catches. In this paper, we ... discuss some of the problems related with available CPUE data and estimate new vulnerability patterns to ... produce a good fit of the model both, to CPUE series and proportion-at-length data from CCAMLR dataset ... . Author(s): O.C. Wöhler, P.A. Martínez and A. Aubone (Argentina) Title: Exploring the ASPM as an ...
Meeting Document : WG-FSA-SAM-05/5 Rev. 1 : Автор(ы): O.C. Wöhler, P.A. Martínez and A. Aubone (Argentina)
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Reviewing the age structured production model (ASPM) as an alternative method to estimate the Patagonian toothfish biomass at CCAMLR Subarea 48.3
toothfish stock assessment at CCAMLR Subarea 48.3. Results obtained from this model, presented in the last ... meeting of WG-FSA-SAM held in Yokohama (Japan), show acceptable fit with standardized CPUE series, annual ... catches and observed catch length proportions (Wöhler et al., 2005- WG-FSA-SAM 05/5). In this paper, we ... applied the same model, but introducing a function modified from Brandão & Butterworth (2003) to ...
Meeting Document : WG-FSA-05/73 : Автор(ы): O.C. Wöhler, P.A. Martinez and A. Aubone (Argentina)
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Report on the first year’s fishing under New Zealand’s exploratory fishery for toothfish within the SPRFMO Convention Area
provided for the consideration of the SPRFMO Scientific Committee meeting in October 2016 such that it can ... San Aspiring pursuant to CMM 4.14, approved by the SPRFMO Commission in January 2016. This update is ... advise the SPRFMO Commission meeting in early 2017 on progress with the exploratory fishery. Author(s ... Abstract: This paper is an update on exploratory fishing for toothfish by the New Zealand vessel ...
Meeting Document : SC-CAMLR-XXXV/BG/32 : Автор(ы): J. Fenaughty and M. Cryer
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Stock size and tac estimation for the Patagonian toothfish, Dissostichus eleginoides, from the Kerguelen Islands area
and TAC estimation of the Patagonian toothfish, Dissostichus eleginoides, from the Kerguelen shelf ... Abstract: Biological data and fishery statistics collected in 1984-1992 were used for stock size ... area. Method of R. Jones (1964) was used for estimating population size and TAC. Calculations were done ... for the 1984/85 and 1991/92 seasons where directed fishery for the species took place. Population size ...
Meeting Document : WG-FSA-92/09 : Автор(ы): S.M. Pronenko, P.B. Tankevich, V.V. Gerasimchuk and V.N. Chikov (Ukraine)
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Habitat suitability for the VME Ptilocrinus amezianeae over the Kerguelen Plateau
habitats and, as a member of the family Hyocrinidae, a rare organism. Here we model P. amezianeae suitable ... protection on the Skiff Bank, and two additional areas, one in the northeastern Kerguelen Plateau and the ... often collected in numbers locally. P. amezianeae has been described to be restricted to oligotrophic ... habitat using BRT (Boosted Regression Trees) and an iterative approach to identify areas on the Kerguelen ...
Meeting Document : WG-EMM-2019/73 Rev. 1 : Автор(ы): M. Eléaume, A. Martin, L.G. Hemery, C. Chazeau, J. Blettery and N. Améziane
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