Search results
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Observations on the diet of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (CCAMLR Statistical Subarea 88.1)
Abstract: The diet of Antarctic toothfish Dissostichus mawsoni captured by bottom longline in the ... 62–197 cm TL. A high proportion of stomachs sampled were empty (34% in 2001 and 49% in 2002) and the ... remaining stomachs often contained prey in advanced stages of digestion, making prey identification ... difficult. Fish were the most important prey category (86% of stomachs in 2001 and 78% in 2002), in ...
Meeting Document : WG-FSA-02/15 : Author(s): J.M. Fenaughty, D.W. Stevens and S.M. Hanchet (New Zealand)
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DEMOGRAPHIC STUDIES OF ANTARCTIC KRILL IN THE SOUTH ORKNEY ISLANDS AREA 2009, FIELDWORK AND PRELIMINARY RESULTS
maturation stages was determined from 4678 individuals and consisted of ~19% juvenile and sub adults, ~17 ... % adult males and ~64% adult females (overall adult sex ratio: 1:4). The proportion of immature krill was ... similar throughout the study period; whereas the proportion of males decreased and the female proportion ... increased. This field work was part of the Antarctic Krill and Ecosystem Studies (AKES) and the purpose was ...
Meeting Document : WG-EMM-09/10 : Author(s): B.A. Krafft and G. Skaret (Norway)
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CEMP data inventory/summary and updated spatial analysis of Area 48
Abstract: This paper reports on available CEMP data and details of use as a guide for CEMP ... Area 48 in order to compare patterns of inter-annual variability. Spatial analysis shows evidence of ... concordance of response to changes in the ecosystem between sites by Subarea, suggesting CEMP data are ... updated spatial analysis of Area 48 Microsoft Word File: emm-18-44.docx Approval: Approved Secretariat ...
Meeting Document : WG-EMM-18/44 : Author(s): CCAMLR Secretariat
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Estimates of local biomass with uncertainty for Antarctic (Dissostichus mawsoni) and Patagonian (D. eleginoides) toothfish in research blocks in Subareas 48.6 and 58.4
Abstract: Local biomass of toothfish in research blocks in Subareas 48.6 and 58.4 have been ... of WG-SAM. The trend analysis decision rules developed by WG-FSA 17 were applied to provide catch ... and 486_4. However, as the trend in all three of these research blocks was declining the revised catch ... limit is determined as 0.8 times the existing catch limit. The revised catch limits for all but one of ...
Meeting Document : WG-FSA-18/12 : Author(s): CCAMLR Secretariat
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Habitat use of type – C killer whales (Orcinus orca) in the Ross Sea, Antarctica
the horizontal behaviour of tagged whales. The Bayesian state-space model revealed discrete, largely ... non-overlapping Areas of Restricted Search (ARS) of killer whales along the coastline which matched ... the pattern of deeper dives thus indicating possible feeding grounds along the Ross Sea coast ... . L. Pitman and S. Panigada Title: Habitat use of type – C killer whales (Orcinus orca) in the Ross ...
Meeting Document : WG-EMM-2019/08 : Author(s): G. Lauriano, E. Pirotta, T. Joyce, R. L. Pitman and S. Panigada
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Movements of tagged Antarctic toothfish (Dissostichus mawsoni) in Subarea 48.6 in relation to stock structure hypotheses
Abstract: We examined movements of tagged Antarctic toothfish (Dissostichus mawsoni) for subarea ... 48.6 in relation to life history hypotheses. Most of long-distance movements occurred in westward ... (Söffker et al., 2018). Meanwhile, no migrations of tagged fish between northern seamounts (research blocks ... feeding grounds, respectively, have been observed to date. The lack of tag movement between the two areas ...
Meeting Document : WG-FSA-2019/05 : Author(s): T. Ichii, M. Okazaki, T. Okuda and S. Somhlaba
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Research and monitoring by New Zealand and Italy in support of the Ross Sea region Marine Protected Area
Sea region Marine Protected Area (RSRMPA). Annex B of this CM specifies the RSRMPA specific objectives ... that should be addressed. We recall the objectives of the RSRMPA and the research questions for ... research outcomes relevant to the objectives of the RSRMPA. Author(s): Delegations of New Zealand and ... Italy Title: Research and monitoring by New Zealand and Italy in support of the Ross Sea region Marine ...
Meeting Document : SC-CAMLR-38/BG/25 Rev. 1 : Author(s): Delegations of New Zealand and Italy
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Chilean krill fishery: analysis of the 1991 season
the analysis of haul-by-haul data and its use in understanding small scale spatial distribution of ... sites. Other uses of haul-by-haul data are suggestted. Author(s): Victor H. Marín et. al. Title ... : Chilean krill fishery: analysis of the 1991 season Approval: Approved ...
Meeting Document : WG-KRILL-91/39 : Author(s): Victor H. Marín et. al.
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By-catch of fish in the krill fishery
Abstract: Observations are reported of icefish being taken as bycatch during krill fishing ... operations from a research vessel. The results indicate that the bycatch of fish in the commercial krill ... fishery may be significant in some areas of the South Georgia shelf. The problem is thought to be least in ... ) Title: By-catch of fish in the krill fishery Approval: Approved ...
Meeting Document : WG-KRILL-91/25 : Author(s): I. Everson (United Kingdom), A. Neyelov and Y. Permitin (USSR)
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On development of centralised preparation and accreditation scheme for scientific observers and CCAMLR Member countries
, cruise report etc.) produced during the inter-session SISO work are presented in the paper. Position of ... the Russian Federation on development of centralized preparation and accreditation scheme for ... scientific observers and CCAMLR member countries is amplified here. Author(s): Delegation of the Russian ... Federation Title: On development of centralised preparation and accreditation scheme for scientific ...
Meeting Document : SC-CAMLR-XXXIII/BG/18 : Author(s): Delegation of the Russian Federation