Résultats de la recherche

1. Killer whale Orcinus orca and sperm whale Physeter macrocephalus interactions with longline vessels in the Patagonian toothfish fishery at South Georgia, South Atlantic

   Living Resources) observers between 2000 and 2002 at South Georgia (Subarea 48.3) in the Southeast ... deployed in depths of 300 to 2000m, concentrated along the 1000m contour. Sperm whales were the most ... abundant marine mammals observed in the vicinity of vessels when lines were being hauled, occurring during ... were not often sighted. Interactions with killer whales were most often observed in the day, mostly in ...

   Meeting Document : WG-FSA-03/27 : Auteur(s): M.G. Purves (United Kingdom), D.J. Agnew (United Kingdom), E. Balguerías (Spain), C.A. Moreno (Chile) and B. Watkins (South Africa)

2. On the possibility of practical utilisation of krill target strength TS in situ obtained on the basis of EK-500 measurements

   Abstract:  Comparative analysis of krill length distribution in the echosurvey area, obtained with ... obtained on the basis of the empiric model by Greene et al. (1991) using estimates of target strength in ... krill length estimation in echosurveys implemented in practice as target strength (TS) in situ ... measurement with EK-500 and calculation of TS talc. on the basis of krill length composition in catches ...

   Meeting Document : WG-EMM-98/19 : Auteur(s): S.M. Kasatkina (Russia)

3. Estimates of the tag loss rates for single and double tagged toothfish (Dissostichus mawsoni) fishery in the Ross Sea

   Abstract:  The rate at which tags are lost from tagged toothfish is an important parameter in ... modelling of the Antarctic toothfish (Dissostichus mawsoni) populations in Subarea 88.1 and 88.2. The ... toothfish stocks in these areas have been assessed using data from tag-release and recapture experiments ... individual tags are lost from tagged toothfish in Subareas 88.1 and 88.2 from a sample of 969 double tagged ...

   Meeting Document : WG-SAM-11/18 : Auteur(s): A. Dunn, M.H. Smith (New Zealand), D.J. Agnew (UK) and S. Mormede (New Zealand)

4. DISTRIBUTION OF KRILL AT THRESHOLD DENSITIES SUITABLE FOR FISHING IN THE ATLANTIC SECTOR: ANALYSIS OF THE 2000 SYNOPTIC SURVEY DATA

   shelf SSMUs in terms of the frequency of 1nm integration units with krill densities above and below a ... range of threshold values. 2. In general pelagic SSMUs had markedly lower frequencies of fishable ... . This was also true with other threshold values in the range 25 to 200 gm2 although the difference was ... smaller for higher thresholds. 4. The contrasting probability of encountering fishable concentrations in ...

   Meeting Document : WG-EMM-08/16 : Auteur(s): S. Hill and D. Agnew (United Kingdom)

5. Changes in the fish biomass around Elephant Island (Statistical Subarea 48.1) from 1976 to 1996

   Abstract:  Finfish stocks in the Antarctic Peninsula region (CCAMLR Statistical Subarea 48.1) have ... been exploited from 1978179 to 1988189 with most of the commercial harvesting taking place in the first ... two years of the fishery. Results of bottom trawl surveys conducted by Germany in the vicinity of ... Elephant Island in the 1980s showed that stocks of Champsocephalus gunnari, Notothenia rossii ...

   Meeting Document : WG-FSA-97/27 : Auteur(s): Kock, K.-H.

6. Variation of ice edge position in western part of Atlantic sector of the Antarctic

   Abstract:  Satellite imagery of the pack ice edge position in western part of the Atlantic sector ... temporal variation in the area between 65° and 20°W. Amplitude of the seasonal variation of the ice edge ... change of positive and negative anomalies in ice conditions in winter and summer. Velocities of retreat ... means ice edge position was observed to shift over the current decade to the south to the Scotia Sea in ...

   Meeting Document : SC-CAMLR-VIII/BG/49 : Auteur(s): Delegation of USSR

7. Spatial and seasonal distribution of adult Oithona similis in the Southern Ocean: predictions using boosted regression trees

   of the cyclopoid copepod Oithona similis in the Southern Ocean. Nearly 20 000 samples from the ... probability of detection (presence) and relative abundance of adults of this zooplankton species in surface ... ) of adult O. similis between November and March in much of the Southern Ocean. No investigation was ... conditions in a broadly similar way throughout the Southern Ocean. Compared to a compilation of nethaul data ...

   Meeting Document : WG-EMM-10/P14 : Auteur(s): M.H. Pinkerton, A.N.H. Smith, B. Raymond, G.W. Hosie, B. Sharp, J.R. Leathwick and J.M. Bradford-Grieve

8. A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2009/10

   Abstract:  The exploratory fishery for Dissostichus spp. Has now been operating for 14 years in ... Subarea 88.1 and for 9 years in Subarea 88.2. This report summarises the timing, depth, and location of ... 2009–10. During the 2009–10 fishing year most of the catch in Subarea 88.1 came from the slope SSRUs ... 881H and 881I, with a reduced catch from 881K due to ice conditions. The catch limit in the north was ...

   Meeting Document : WG-FSA-10/23 : Auteur(s): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)

9. Revised research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Division 58.4.1

   began in 2013 in data-poor fisheries. In the present report, the next three-season (2016-18) research ... plan in Division 58.4.1 was revised using the updated CCAMLR C2 and Observer data. The stock sizes for ... management of Dissostichus spp. population(s) in data- poor exploratory fisheries. During the second three ... . To this end, we propose to follow the current research style in the current research blocks for the ...

   Meeting Document : WG-FSA-15/17 : Auteur(s): Delegation of Japan

10. Revised research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Division 58.4.2

    began in 2013 in data-poor fisheries. In the present report, the next three-season (2016-18) research ... plan in Division 58.4.2 was revised using the updated CCAMLR C2 and Observer data. The stock sizes for ... / fisheries management of Dissostichus spp. population(s) in data- poor exploratory fisheries. During the ... fish. To this end, we propose to follow the current research style in the current research blocks for ...

    Meeting Document : WG-FSA-15/18 : Auteur(s): Delegation of Japan

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