Search results
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Analysis of trawl data from the South Georgia krill fishery
. The range of measurements indicate that differences existed between years. Particular aspects ... of measurements indicate that differences existed between years. Particular aspects of the variability ...
Meeting Document : WG-EMM-97/41 : Author(s): Parkes, G., Trathan, P.N., Everson, I., Murphy, E.J.
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Revised research plan for the 2016/17 toothfish fishery in Division 58.4.4b by Japan and France
three years as effective for the calculation following the recommendation in the last WG-SAM meeting ... to the observed ones for both blocks. We propose to continue the current research operation for the next fishing ... , and 583 tonnes, respectively, in Chapman estimator considering tags released in the last three years ... to the observed ones for both blocks. We propose to continue the current research operation for the next fishing ...
Meeting Document : WG-FSA-16/33 Rev. 1 : Author(s): Delegations of Japan and France
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A REVIEW OF BIAS AND UNCERTAINTY IN ANTARCTIC PACK-ICE SEAL ABUNDANCE ESTIMATES
than 50 years from when pack-ice seal surveys were first undertaken and reported in the 1950s ... to provide a sense of evolution and development of methodologies over a 50 year period of application ... years from when pack-ice seal surveys were first undertaken and reported in the 1950s to the present day ... of evolution and development of methodologies over a 50 year period of application. The methodologies employed ...
Meeting Document : CCAMLR-IWC-WS-08/06 : Author(s): Steinhage, D., Bengtson, J., Blix, A.S., Bester, M., Boveng, P., Laake, J., Cameron, M., Nordøy, E., Forcada, J., Stewart, B., Southwell, C., Trathan, P., Rogers, T., Plotz, J., Bornemann, H.
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Otolith microstructure of juvenile fish, the first annulus radius and pelagic stage duration of icefish Champsocephalus gunnari (Channichthyidae) in the South Georgia area
represent a mixture of two year-classes of 1999-2000 and 2000-2001. The mean width of the daily growth zone ... a mixture of two year-classes of 1999-2000 and 2000-2001. The mean width of the daily growth zone ... age-length ratio can be used in separation of adjacent year-classes during juvenile fish surveys ... . The length of the young-of- the-year varies within a broad range as a result of prolonged spawning period ...
Meeting Document : WG-FSA-03/75 Rev. 1 : Author(s): L.V. Shcherbich (Russia)
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Results of the longline survey for toothfish in the northern Ross Sea region (Subarea 88.2 SSRUs A–B) by the FV Janas, New Zealand
Abstract: New Zealand FV Janas conducted research in two research blocks (882A_5 and 882B_4 ... ) as part of a multi-year and multi-member research plan using standardised longline gear to sample ... New Zealand FV Janas conducted research in two research blocks (882A_5 and 882B_4) as part ... of a multi-year and multi-member research plan using standardised longline gear to sample toothfish ...
Meeting Document : WG-SAM-15/46 : Author(s): S.J. Parker, R.J.C. Currey and S. Mormede (New Zealand)
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Contrasting population changes in sympatric penguin species in association with climate warming
ice adapted gentoo penguins increased significantly in numbers over the last 26 years, whereas ... adapted gentoo penguins increased significantly in numbers over the last 26 years, whereas chinstrap ...
Meeting Document : WG-EMM-06/P3 : Author(s): J. Forcada, P.N. Trathan, K. Reid, E.J. Murphy and J.P. Croxall (United Kingdom)
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Report on a tuna long-lining fishing voyage aboard Southern Venture to observe seabird by-catch problems
released alive, and one Black-browed Mollymawk D. melanophrys impavida. Relatively more birds survived ... to that in the only other two reported studies. Seabirds scavenged intensively on the waste baits (41% of those cast ... released alive, and one Black-browed Mollymawk D. melanophrys impavida. Relatively more birds survived ... other two reported studies. Seabirds scavenged intensively on the waste baits (41% of those cast ...
Meeting Document : WG-IMALF-94/10 : Author(s): M.J. Imber (New Zealand)
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Korean research plan in Divisions 58.4.1 and 58.4.2 in 2016/17
not been known well as namely the area is data poor areas. In the Division 58.4.1 there are two stocks; one ... well as namely the area is data poor areas. In the Division 58.4.1 there are two stocks; one extends ... extends from the SSRU 58.4.1C to the SSRU 58.4.2A, and the other one to the SSRU 58.4.1H. The population ... from the SSRU 58.4.1C to the SSRU 58.4.2A, and the other one to the SSRU 58.4.1H. The population sizes ...
Meeting Document : WG-SAM-16/17 : Author(s): Delegation of the Republic of Korea
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Connectivity and population structure in Pleuragramma antarcticum along the west Antarctic Peninsula
using a circulation model. Differences in length distributions and maturity suggested two discrete ... Bay corresponding to the year class found during GLOBEC 2001 suggested a dominant cohort and no local ... of otolith chemistry are scheduled over the next year. Author(s): J. Ashford, J. Ferguson, A. Piñones ... using a circulation model. Differences in length distributions and maturity suggested two discrete ...
Meeting Document : WG-FSA-10/16 : Author(s): J. Ashford, J. Ferguson, A. Piñones, J. Torres and W. Fraser
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Revised research plan for toothfish in Division 58.4.4 a & b by Shinsei maru No. 3 in 2013/14
estimated from CASAL base model (1040 tonnes) was about 2 times higher than those from the two methods ... not been able to determine catch limit yet, we would like to conduct research repeated for at least one ... more year in the same locations as in the 2012/13 season, with the same survey design and sample size ... estimated from CASAL base model (1040 tonnes) was about 2 times higher than those from the two methods ...
Meeting Document : WG-FSA-13/36 : Author(s): Delegation of Japan