Search results
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Longline sink rates of an autoline vessel, and notes on seabird interactions
autoline fishing vessel working the New Zealand ling (Genypterus blacodes) longline fishery on the Chatham ... Rise, New Zealand during July and August 1998. The autoline equipment is designed to sink without ... . Further trials were conducted with weights added to the longline as in normal fishing operations. A robust ... attachment method for Time Depth Recorders was developed. A tori line was used at all times by the vessel ...
Meeting Document : WG-FSA-01/44 : Author(s): N.W.McL. Smith (New Zealand)
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Beach litter survey - Signy Island, South Orkney Islands 1995/96
Abstract: A beach litter survey was carried out on Signy Island, South Orkney Islands during the ... 1995/96 austral summer. Similar surveys have been conducted during the previous five summers. Debris ... other beach surveys were carried out. This was because of logistical difficulties caused by the late ... break out of sea-ice and the redevelopment of the British Antarctic Survey (BAS) research station on ...
Meeting Document : CCAMLR-XV/BG/16 : Author(s): Delegation of the United Kingdom
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Variations in condition indices of mackerel icefish at South Georgia from 1972 to 1997
Abstract: Mackerel icefish are widespread on the South Georgia shelf, Antarctica and have been ... subject to commercial fishing since the early 1970s. They are known to feed predominantly on krill. An ... index of condition which uses the ratio of the measured total mass to the estimated mass is show to ... provide a good indicator of local krill density. The index is likely to be little affected by the ...
Meeting Document : WG-EMM-00/44 : Author(s): I. Everson (United Kingdom) and K.-H. Kock (Germany)
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Beach debris survey – Main Bay, Bird Island, South Georgia 1996/97
Abstract: The seventh year of surveys of beached man-made debris at Bird Island, South Georgia ... revealed a total of 289 items, 60 % less than in the two previous years. Of the total number of items, 62 ... % (n = 180) were collected during the summer, only the second year on record when then summer ... collection exceeded the winter. Nylon line, identical to that used in longline gear, accounted for 57 % of ...
Meeting Document : CCAMLR-XVII/BG/7 : Author(s): Delegation of the United Kingdom
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Estimating uncertainty in local biomass estimates of toothfish in CCAMLR in Subareas 58.4 and 48.6 research blocks
Abstract: This study has used bootstrap methodology to quantify the uncertainty in toothfish ... biomass estimates from Chapman mark-recapture and the CPUE-by-seabed area methods in Research Blocks in ... Subareas 58.4 and 48.6. The Chapman mark-recapture point estimates and their confidence intervals were ... generally much larger than the point estimates and confidence intervals from the CPUE-by-seabed area biomass ...
Meeting Document : WG-SAM-17/12 : Author(s): L. Robinson, P. Burch and K. Reid
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Annual report of global toothfish trade data
Abstract: This paper provides analysis on the data collated by GLOBEFISH from publicly released ... sources for the trade of toothfish products for the 2017 calendar year. The analysis has identified that ... the forms with mean unit values of 22.30 US$/kg for imports and 18.85 US$/kg for exports. The data ... identified the largest importer was the United States of America (USA), accounting for 54.01% of the global ...
Meeting Document : CCAMLR-XXXVII/BG/08 Rev. 1 : Author(s): CCAMLR Secretariat
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Trade data analysis – Annual report of global toothfish trade data
Abstract: This paper provides analysis on the data collated by GLOBEFISH from publicly released ... sources for the trade of toothfish products for the 2018 calendar year. The analysis has identified that ... forms with mean unit values of 24.03 US$/kg for imports and 23.40 US$/kg for exports. The data ... identified the largest importer was the United States of America (USA), accounting for 36.50% of the global ...
Meeting Document : CCAMLR-38/BG/09 : Author(s): CCAMLR Secretariat
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Observation on interactions between marine mammals and krill mid-water trawl
Abstract: An observation on the interaction between marine mammal and krill midwater trawl was ... carried out onboard the Chinese krill fishing vessel Fu Rong Hai during the 2018/19 fishing season. The ... Arctocephalus gazella were observed around the vessel during the vessel fishing in the Subarea 48.3, no ... identified marine mammal was observed in the main body of trawl net. There was no marine mammal by-catch ...
Meeting Document : SC-CAMLR-38/BG/20 : Author(s): Y. Ying, G. Fan, X. Zhao, J. Zhang, X. Wang and J. Zhu
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Developing a Risk Assessment for Subarea 48.1 using tracking data
Abstract: CCAMLR has endorsed the use of the Risk Assessment framework to apportion the krill ... catch limits in order to minimise the risk of the fishery to krill dependent predators. We plan to apply ... the risk assessment framework across Subarea 48.1 at various spatial and temporal scales, in order to ... identify the most appropriate way to spread the catch from the fishery. The risk assessment framework ...
Meeting Document : WG-EMM-2019/24 : Author(s): V. Warwick-Evans, A. Friedlaender, J.T. Hinke, N. Kokubun, J.H. Kim and P.N. Trathan
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Population dynamics of black-browed and grey-headed albatrosses Diomedea melanophrys and D. chrysostoma at Campbell Island, New Zealand, 1942–96
Abstract: The numbers of Black-browed Albatrosses Diomedea melanophrys and Grey-headed ... Albatrosses D. chrysostoma at Campbell Island, New Zealand, have declined dramatically since the 1940s. Black ... -browed Albatross numbers went into a steep decline in the 1970s and, since at least 1984, have been ... increasing slightly at average rates of 1.1% and 2.1% per annum at two colonies. The long-term downward trend ...
Meeting Document : WG-FSA-04/58 : Author(s): S.M. Waugh (New Zealand), H. Weimerskirch (France), P.J. Moore and P.M. Sagar (New Zealand)