Search results
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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 : Author(s): 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 : Author(s): P. Ziegler, D. Welsford, W. de la Mare and P. Burch (Australia)
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Shipboard field operations conducted during the 1989 austral summer by the US Antarctic Marine Living Resources (AMLR) Program
austral summer in waters adjacent to the Antarctic Peninsula and South Georgia are described. Operations ... , 9) net sampling for krill in association with the hydroacoustic survey, 10) sampling for larval ... ): Delegation of USA Title: Shipboard field operations conducted during the 1989 austral summer by the US ... Abstract: Field research activities conducted aboard the NOAA Ship Surveyor during the 1989 ...
Meeting Document : SC-CAMLR-VIII/BG/34 : Author(s): Delegation of USA
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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 : Author(s): G. Skaret, B.A. Krafft, G. Macaulay, T. Knutsen and O.A. Bergstad
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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 : Author(s): J. Fenaughty and M. Cryer
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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 : Author(s): 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 : Author(s): O.C. Wöhler, P.A. Martinez and A. Aubone (Argentina)
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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 : Author(s): S.M. Pronenko, P.B. Tankevich, V.V. Gerasimchuk and V.N. Chikov (Ukraine)
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Update from the Bioregionalisation Workshop Steering Committee on progress towards the 2007 Workshop on Bioregionalisation
framework for discussion at the 2006 meeting of the CCAMLR Scientific Committee and the Commission. A list ... of Steering Committee members and draft workshop agenda are attached. Title: Update from the ... Abstract: A Bioregionalisation Workshop Steering Committee was formally convened in August, 2006 ... the Steering Committee following its intersessional work. Tasks required prior to the 2007 workshop ...
Meeting Document : SC-CAMLR-XXV/BG/24
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Simulating nursery areas for Antarctic krill along the western Antarctic Peninsula with relevance for the Domain 1 MPA Planning process
Abstract: Antarctic krill (Euphausia superba) is a key species and a dominant grazer in the ... Antarctic marine food web. Observational and modelling studies have shown that development of the embryo and ... early larval stages of Antarctic krill (the descent-ascent cycle) is largely controlled by temperature ... that conditions a successful completion of the cycle. The objective of the present study is to estimate ...
Meeting Document : SC-CAMLR-XXXVI/BG/12 : Author(s): Delegations of Argentina and Chile