Search results
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TROPHIC OVERLAP OF WEDDELL SEALS (LEPTONYCHOTES WEDDELLI) AND ANTARCTIC TOOTHFISH (DISSOSTICHUS MAWSONI) IN THE ROSS SEA, ANTARCTICA
Abstract: We present information to investigate the significance of Antarctic toothfish as a prey ... item for Weddell seals in the Ross Sea. • We summarise the life history of Weddell seals to provide an ... overview of their use of the Ross Sea. As consumption of prey by Weddell seals (both the amount and type of ... prey) will vary between different life history stages at different times of the year in different areas ...
Meeting Document : WG-EMM-08/43 : Author(s): M.H. Pinkerton, A. Dunn and S.M. Hanchet (New Zealand)
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Characterisation of the toothfish fishery in the Ross Sea region (Subarea 88.1 and SSRUs 88.2A–B) through 2018/19
distributions showed no trends in the different management areas; interannual variability is likely driven by ... Abstract: This report summarises fishing catch and effort in the Ross Sea region (Subarea 88.1 ... and SSRUs 88.2AB) together with biological characteristics of the catch of Antarctic toothfish through ... the 2019 season. The implementation of the Ross Sea Region Marine Protected area in December of 2017 ...
Meeting Document : WG-FSA-2019/07 : Author(s): J. Devine, S. Parker and A. Dunn
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Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?
evidence for a decline in the abundance of krill in the 1980s, but no evidence of further decline over more ... format to explain the management of the Antarctic krill (Euphausia superba) fishery in the subareas 48.1 ... to 48.4, and current knowledge about the state of the regional krill stock. The revisions provide a ... new, precautionary assessment of exploitation rate in this fishery. The effective regional catch limit ...
Meeting Document : WG-EMM-16/21 : Author(s): S. Hill, A. Atkinson, C. Darby, S. Fielding, B. Krafft, O.R. Godø, G. Skaret, P. Trathan and J. Watkins
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An exploratory fishing expedition for Dissostichus eleginoides around the South Sandwich Islands, Antarctica
Abstract: An exploratory fishing survey was undertaken around the South Sandwich Islands (FAO ... Subarea 48.4), to establish the presence and abundance of the Patagonian Tootfish Dissostichus eleginoides ... with a view to opening a new fishery under the auspices of the Commission for the Conservation of ... Antarctic Marine Living Resources (CCAMLR). The survey was undertaken by the Chilean long-liner B/F Friosur ...
Meeting Document : SC-CAMLR-XII/BG/04 : Author(s): Delegations of Chile and United Kingdom
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Revised joint research proposal for Dissostichus spp. in Subarea 88.3 by Korea and New Zealand
southern shelf, where little or no fishing has occurred. The main objective of the proposal is to determine ... an additional 3 years covering the period 2018, 2019 and 2020. It was designed to build on Korea’s ... released on the slope, whilst also prospecting two of the northern seamount complexes and two boxes on the ... the abundance of Antarctic toothfish in Subarea 88.3. Secondary objectives are to improve ...
Meeting Document : WG-FSA-18/42 : Author(s): Delegations of the Republic of Korea and New Zealand
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Spatial and seasonal distribution of adult Oithona similis in the Southern Ocean: predictions using boosted regression trees
) of adult O. similis between November and March in much of the Southern Ocean. No investigation was ... , with surface abundances 20% higher at night than during the day. There was no evidence of diel ... trees to derive relationships between environmental conditions and the distribution of the adult stage ... of the cyclopoid copepod Oithona similis in the Southern Ocean. Nearly 20 000 samples from the ...
Meeting Document : WG-EMM-10/P14 : Author(s): M.H. Pinkerton, A.N.H. Smith, B. Raymond, G.W. Hosie, B. Sharp, J.R. Leathwick and J.M. Bradford-Grieve
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Results of a research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea, February 2012
m. The size distribution of toothfish was very similar between the four main strata suggesting no ... CPUE analysis suggest that there has been no significant change in catch rates in the southern Ross Sea ... Abstract: At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... recruitments from a well-designed survey could be a useful input into the Ross Sea stock assessment model and ...
Meeting Document : WG-SAM-12/29 : Author(s): S.M. Hanchet, S. Mormede, A. Dunn (New Zealand) and H.-S. Jo (Republic of Korea)
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Results of a CCAMLR-sponsored research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea, February 2012
the four main strata suggesting no depth preference between 400 and 900 m. It is recommended that ... , 2001, and 2004. The results of this analysis suggest that there has been no significant change in catch ... Abstract: At its 2011 meeting, the Scientific Committee agreed that a time series of relative ... recruitments from a well-designed survey could be a useful input into the Ross Sea stock assessment model and ...
Meeting Document : WG-FSA-12/41 : Author(s): S.M. Hanchet, S. Mormede, S. Parker, A. Dunn (New Zealand) and H.-S. Jo (Republic of Korea)
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Climate change impacts, vulnerabilities and adaptations: Southern Ocean marine fisheries
Abstract: • The Antarctic region is characterized by complex interaction of natural climate ... biological systems, including impacts on key fishery taxa such as Antarctic krill. • The impact of ... anthropogenic climate change in the short-term could be expected to be related to changes in sea ice and ... ecosystem productivity affecting target stocks. • There are no resident human populations or fishery ...
Meeting Document : WG-EMM-18/P19 : Author(s): K. Reid
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Results of the Dissostichus spp. new fisheries projects in the Antarctic region (CCAMLR Statistical Subareas 48.1, 48.2 and 88.3)
were used for the operations, with variable quantities of fishhooks (1 440-4 320), No. 9 Mustard Kirby ... part of the New Fisheries Projects developed by Chile, mainly in order to establish presence of ... Dissostichus spp. in the CCAMLR Statistical Subareas 48.1, 48.2 and 88.3. Industrial longlines Spanish system ... ) were used as bait. The results of this research indicated that the Antarctic toothfish (D. mawsoni) was ...
Meeting Document : SC-CAMLR-XVII/BG/07 Rev. 1 : Author(s): Delegation of Chile