Search results
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Revised research plan for the exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2 in 2015/16
Abstract: Most things related to Dissostichus spp. in the eastern side of Antarctic has not been ... sizes were vulnerable with a big range of about 1,000-2,000 t per SSRU in 58.4.1. During the 2004-2014 ... more recapture. The food-web of Dissostichus spp. has started to be studied in the southern Ross Sea ... and 58.4.1C. Some studies on biology of the fish have been evaluated, but those are not enough to ...
Meeting Document : WG-FSA-15/56 : Author(s): Delegation of the Republic of Korea
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Assessment models for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region to 2016/17
Abstract: We provide an update of the Bayesian sex and age structured population stock assessment ... Ross Sea Shelf survey from 2012 to 2017. The model estimates of unfished biomass and current status ... were higher than that from the 2015 assessment. This was likely driven by the revised estimates of the ... effective tagging survival and tag detection rates, both of which have decreased in the recent years ...
Meeting Document : WG-FSA-17/37 Rev. 1 : Author(s): S. Mormede
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Do krill and salp compete? Contrary evidence from the krill fisheries
Antarctic Peninsula. Interannual and seasonal variability of the timing, duration and intensity of salp ... blooms and the presence of green krill were analysed. No relationship between salp density and the ... proportion of green krill in the catches was evident when both salps and krill were taken together. In the ... Livingston Island area, the proportion of green krill was high only when salp density was extremely low ...
Meeting Document : WS-AREA 48-98/4 Rev. 1 : Author(s): S. Kawaguchi (Japan), W.K. de la Mare (Australia), T. Ichii and M. Naganobu (Japan)
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Beach debris surveys - Prince Edward Islands, 1993 to 1995
surveys of beached debris within the Convention area. Most non-wooden artefacts were plastic. Fishing ... floats and other fishing gear formed a variable proportion of the items surveyed. Artefacts that could be ... Marion Island. It is recommended that the use of expanded plastic foams and plastic strapping as ... packaging material at Marion Island be discontinued. A comparison of annual accumulation rates will become ...
Meeting Document : CCAMLR-XIV/BG/14 : Author(s): Delegation of South Africa
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Comments regarding a Marine Protected Area on the Southern Shelf
Abstract: The Marine Protected Area on the southern shelf of the South Orkney Islands (SOISS MPA ... ) established by CCAMLR in Subarea 48.2 on the initiative of the United Kingdom has existed for more then eight ... and legal aspects of this MPA that require clarification. The SOISS MPA is the first MPA established ... Convention Area. Taking into account the above, we consider it appropriate to make a number of comments in ...
Meeting Document : SC-CAMLR-XXXVI/BG/26 : Author(s): Delegation of the Russian Federation
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Preliminary report on invertebrate by-catch in research blocks 58.4.1, 58.4.2, 54.4.3a and 58.4.4b
indicators have been recorded as part of the C2 and also as part of observers data since CM 22.07 has been ... looked at spatial variation of VME units at different scales, and analysed taxa spatial distribution. We ... also compared gear types in terms of number of VME units collected. We suggest that taxonomic diversity ...
Meeting Document : WG-FSA-18/51 : Author(s): M. Eléaume, C. Chazeau, A. Martin and J. Blettery
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Antarctic fur seal (Arctocephalus gazella) pup growth rates obtained at Cape Shirreff, Livingston Island, South Shetlands: 1994/95 to 1997/98 (CEMP Index C2, Procedure B)
pups (50 of each sex) were weighed by cross-sectional sampling. Pup growth rates were determined from ... least square linear regression of weight against age. Strong correlation was found between variables for ... both sexes, and assumptions of linearity and homogeneity of variance proved to be adequate (? =0.05 ... differences on reproductive strategies between populations of A. gazella. An important decrease in A. gazella ...
Meeting Document : WS-AREA 48-98/18 Rev. 1 : Author(s): R. Hucke-Gaete, V. Vallejos and D. Torres (Chile)
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Mapping Application for Penguin Populations and Projected Dynamics (MAPPPD): Data and tools for dynamic management and decision support
Abstract: Adaptive feedback management is a core component of the ecosystem based management ... approach that is being implemented by the Convention for the Conservation of Antarctic Marine Living ... meeting the management objectives as set forth by CCAMLR and other components of the ATS (i.e ... ) for the region south of 60° S. A Bayesian population model integrates the available data to develop ...
Meeting Document : WG-EMM-16/P08 : Author(s): G.R.W. Humphries, C. Che-Castaldo, R. Naveen, M. Schwaller, P. McDowall, M. Schrimpf and H.J. Lynch
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Seabird research at Cape Shirreff, Livingston Island, Antarctica, 2003–2004
Abstract: The seventh consecutive season of data collection at Cape Shirreff has enabled us to ... decline over the past five years, and is at its lowest size in the past seven years of study. While the ... on methodology used. Fledging weights of both species increased from last year, but were below the ... , while gentoo diets contained less fish. The majority of the krill in chinstrap diets were in the 36-45 ...
Meeting Document : WG-EMM-04/5 : Author(s): M. Antolos, A.K. Miller and W.Z. Trivelpiece (USA)
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ENCOUNTERS WITH VULNERABLE MARINE ECOSYSTEMS IN THE CONVENTION AREA
of seven risk areas in Subareas 88.1 and 88.2, and one VME FS rectangle was identified in Subarea ... 88.2. In addition, the Secretariat has received 30 notifications of encounters with VMEs during the ... course of research surveys conducted by the U.S.A. in Subarea 48.1 (17 notifications, seafloor depth 92 ... on VME-indicator units recovered. Thirteen of the 18 vessels fishing reported VME data for 853 (43 ...
Meeting Document : WG-EMM-09/08 : Author(s): Secretariat