Search results
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Mitigation trials and recommendations to reduce seabird mortality in the pelagic icefish (Champsocephalus gunnari) fishery (Subarea 48.3)
) season in sub-area 48.3, to quantify seabird interaction with fishing operations, to trial different ... mitigation methods in an attempt to reduce seabird mortality caused by entanglement with the net and to ... idea of binding the net with sisal string on shooting, in order to prevent it opening until it had sunk ... discontinued. In addition other ideas were considered and reviewed. These included reducing the size of the ...
Meeting Document : WG-FSA-05/59 : Author(s): J.O. Roe (United Kingdom)
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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
Abstract: On the basis of the results of the trawl-acoustic survey in February-March 2002, the ... microstructure analysis of otoliths of juvenile icefish of 5.5-13.3 cm in length was carried out. Fish studied ... in the first 100 days of fish life was 6?k at fish length of 4 cm. By the 200th day the daily growth ... resulting age-length ratio can be used in separation of adjacent year-classes during juvenile fish surveys ...
Meeting Document : WG-FSA-03/75 Rev. 1 : Author(s): L.V. Shcherbich (Russia)
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Variation in the distribution of Antarctic krill Euphausia superba around South Georgia
Abstract: Between 1980 and 1997 British Antarctic Survey carried out 11 cruises in the region of ... ). The PCA for all cruises combined showed that there were no obvious differences in the type of krill ... found in different water depths, although there were some indications that differences did occur between ... krill were found in Weddell Sea water and that the length-frequency distributions at the western end of ...
Meeting Document : WG-EMM-97/47 : Author(s): Daly, H.I., Murray, A.W.A., Watkins, J.L.
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Foraging movements of the shy albatross Diomedea cauta breeding in Australia; implications for interactions with longline fisheries
cauta breeding at two sites of Tasmania, Australia (Albatross Island in western Bass Strait and Pedra ... colonies fed locally both in and outside the breeding season. Breeding birds from Albatross Island foraged ... Japanese Southern Bluefin Tuna longline fishery to the south and east coasts of Tasmania has resulted in ... adult birds from Albatross Island. Coupled with the concomitant increase In the Australian domestic tuna ...
Meeting Document : WG-FSA-97/52 : Author(s): Gales, R., Hedd, A., Brothers, N., Robertson, G.
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Determination of a statistically based survey area suitable for hydroacoustic stock assessment of Euphausia superba in the Elephant Island, King George Island, Bransfield Strait area
-series of data from 1981, 1984 and 1978-1989 permitted resolution of inter-year differences in standing ... total area (200 m by 200 nm) can be adequately surveyed in 10 to 14 days and covers sufficient area to ... taken to evaluate it may have broader utility in establishing similar survey areas at other localities ... in the Antarctic. Author(s): Delegation of USA Title: Determination of a statistically based survey ...
Meeting Document : SC-CAMLR-VIII/BG/32 : Author(s): Delegation of USA
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Analysis of variability of krill size and fish by-catch in Japanese krill fishery based on scientific observer data
biological process error in the population dynamics from fishery process as observation error. In both krill ... -temporal variability in size structure of krill population, which is presumably derived from large ... variability of recruitment causing difficulty in predicting krill population dynamics. Variances of observer ... (Japan) Title: Analysis of variability of krill size and fish by-catch in Japanese krill fishery based ...
Meeting Document : WG-EMM-12/68 : Author(s): T. Okuda and M. Kiyota (Japan)
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Results of the 2015 multi-Member longline survey for toothfish in the northern Ross Sea region (Subarea 88.2 SSRUs A–B) and proposal for 2016 operations
longline gear to sample toothfish populations was carried out in the northern areas (60°‑ 66° S) of SSRUs ... 88.2A–B. The sampling strategy and data collection adhered to standards set in CM 41-10 (2014). A total ... in the survey. The gonadosomatic index showed a decreasing trend from west to east across the ... Secretariat. We recommend continuing the survey with minor modifications to aid in the achievement of the ...
Meeting Document : WG-FSA-15/32 : Author(s): S.J. Parker, R.J.C. Currey (New Zealand), M. Söffker, C. Darby (United Kingdom), O. Godø (Norway) and A. Petrov (Russia)
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New Zealand research voyages to the Ross Sea region in 2018 and 2019
, achieving all objectives in part and most in full, including: (1) establishing a long-term experiment to ... monitor outflow of Antarctic Bottom Water at the continental shelf-break in the Cape Adare region; (2 ... survey will be presented to CCAMLR and published in the peer reviewed literature, as appropriate, once ... the Ross Sea region in 2018 and 2019 Microsoft Word File: emm-18-02.docx Approval: Approved ...
Meeting Document : WG-EMM-18/02 : Author(s): D. Bowden, R. O’Driscoll and M.H. Pinkerton
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Ageing two myctophid fishes using otolith from king and macaroni penguins in the Marion Island and its implication to feeding preference of penguins on those myctophids
distributed biological resources in the Antarctic waters, which are the important food sources of top ... more quantitative and explicit studies on those relationships are required in order to assess the role ... of myctophids in the Antarctic ecosystem. Using the otolith samples collected from King and Macaroni ... penguins in the Marion Island, the present study examined the age determination and precision of age ...
Meeting Document : WG-FSA-18/74 : Author(s): M. Duan, G.P. Zhu, A. Makhado and L. Wei
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Continuation of multi-Member research on the Dissostichus mawsoni exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) from 2018/19 to 2021/22
Abstract: Exploratory fishing for toothfish (Dissostichus mawsoni) in East Antarctica (Divisions ... 58.4.1 and 58.4.2) began in 2003. Robust stock assessments and catch limits according to CCAMLR decision ... . 2017, Eléaume et al. 2018). Here, we update the research plan for 2018/19 to 2021/22 (WG-FSA-18/59), in ... years in non-stock-assessment years. Compared to last year (WG-FSA-18/59), this research plan has been ...
Meeting Document : WG-SAM-2019/05 : Author(s): Delegations of Australia, France, Japan, Republic of Korea and Spain