Résultats de la recherche

1. Proposed continuation of a multi-Member longline survey on Antarctic toothfish (Dissostichus mawsoni) in Statistical Subarea 48.6 in 2019/20 by Japan, South Africa and Spain

   assessments of the D.mawsoni stock in this subarea (FSA-18/34). The continuation of the three-member research ... proposal for 2019/20 season is presented to ensure continuity of previous research activities. Data and ... investigations about the population structure and various demographic parameters of Antarctic toothfish ... techniques, pop-up tags and genetic analysis will provide the basis for the development of spatial population ...

   Meeting Document : WG-SAM-2019/13 Rev. 1 : Auteur(s): Delegations of Japan, South Africa and Spain

2. Engaging ‘the crowd’ in citizen science and remote sensing to learn about habitat affinity of two Southern Ocean seals

   presence/absence patterns of the Weddell seal (Leptonychotes weddellii), and has recently been adapted for ... efficient method to screen large numbers of images (and hence area) for undertaking census counts of Weddell ... images of the pack ice acquired during October 2018 in the Weddell Sea to identify presence/absence of ... 852 VHR images, composed of a series of tiles called “maps”, across both campaigns. The circum ...

   Meeting Document : WG-EMM-2019/37 : Auteur(s): M.A. LaRue, D.G. Ainley, J. Pennycook, K. Stamatiou, M. Dozier, J. Saints, L. Sales, N. Nur, S. Stammerjohn and L. Barrington

3. Species profile of mackerel icefish (Champsocephalus gunnari)

   and became the target species of fisheries in many parts of the low-Antarctic from 1975 to 1990 ... . Exploitation has been limited to South Georgia and Heard and McDonald Islands since the second half of the 1990 ... ’s with annual catches of a few thousand tonnes in each of the two areas. Aspect of the biology and ... exploitation of the species have been summarized in Kock and Everson (2003) and Kock (2005). Additional ...

   Meeting Document : WG-FSA-07/12 : Auteur(s): K.-H. Kock (Germany) and I. Everson (UK)

4. A case of giant squid attack on Antarctic toothfish Dissostichus mawsoni Norman, 1937 (Perciformes, Nototheniidae) caught on bottom-set longline in the Ross Sea

   Abstract:  In the beginning of February 2005, during the hauling of bottom-set longline in the ... Ross Sea (East Antarctic) from the depth of 1480 m to the surface a very large squid taken a large ... individual of Antarctic toothfish D. mawsoni (Norman, 1937) with a size of 160 cm and weight of 58 kg caught ... by a longline hook, was hauled up to the board of longliner VOLNA. Squid was very active and did not ...

   Meeting Document : WG-FSA-06/P3 : Auteur(s): Petrov, A.F.

5. Comparison of temperature situation near South Georgia in December–February, 1989–1990, 1990–1991, 1999–2000 and 2000–2001 on satellite data and information about krill catches in Subarea 48.3

   Abstract:  Monitoring of the sea surface temperature (SST) in Subarea 48.3 on satellite data (GOES ... -E, Meteosat), use of in situ data and the further analysis of the SST maps, maps of the SST ... survey area. Analysis of this situation based on data obtained in expeditions, as well as literature and ... the CCAMLR materials could allow us to assess, with a certain degree of reliability, a potential ...

   Meeting Document : WG-EMM-01/11 : Auteur(s): G. Vanyushin (Russia)

6. Evaluating the impact of multi-year research catch limits on overfished toothfish populations

   Abstract:  In stocks that have been depleted by overfishing, the benefits of additional fisheries ... delaying the recovery of such stocks. Through simulating a Dissostichus eleginoides stock that has been ... subjected to varying levels of overfishing and research catches, this study show that stocks can take ... decades to recover even in the absence of fishing, and apparently low levels of research catches can ...

   Meeting Document : WG-FSA-10/42 Rev. 1 : Auteur(s): D.C. Welsford (Australia)

7. Development of an algorithm designed to assess observer data quality and performance

   Abstract:  As part of the Secretariat task to ensure the quality and consistency of the data ... observers in their logbooks. A first version of the algorithm was tested on four randomly selected longline ... , as well as value inconsistencies through a limited set of logical tests. For each logbook inspected ... , a text report indicating the locations of faulty entries, a set of figures to display length and ...

   Meeting Document : WG-SAM-13/40 : Auteur(s): Secretariat

8. Collection, processing and potential use of sonar data from krill fishing vessels

   Abstract:  Omnidirectional sonars (herein sonars) are capable of providing an alternative view of ... Antarctic krill distribution, and potentially abundance. Data from sonars can be used independently of ... acoustic surveys. Sonars are capable of sampling large volumes of water and can image entire krill swarms ... vessels.  The purpose of this paper is to stimulate discussion on the utility of sonars to describe krill ...

   Meeting Document : SG-ASAM-14/01 : Auteur(s): G. Skaret (Norway) and M.J. Cox (Australia)

9. Fishing behaviour of Chinese krill fishing fleet

   Abstract:  Understanding the fishing behavior of a kind of fishery is a very important part of ... relationship between distance and frequency distribution of the adjacent krill fishing positions were analyzed ... in the subareas of the Commission for Conservation of Antarctic Marine Living Resources (CCAMLR ... subareas 48.1, 48.2 and 48.3). The frequency of distances between consecutive hauls shows a heavy-tailed ...

   Meeting Document : WG-EMM-17/45 : Auteur(s): R. Wang and G.P. Zhu

10. Development of a vessel safety checklist and debriefing protocol for use in SISO

    Abstract:  In accordance with the recommendations of the 2013 Panel Review of the CCAMLR Scheme of ... of SISO recommends the performance of a vessel safety check (see proposed Annex II in CCAMLR-XXXVI/25 ... ) prior to observer deployment, as well as the use of a form and protocol for debriefing observers to be ... approved by the Commission (proposed A(e bis) in CCAMLR-XXXVI/25).  This paper provides examples of vessel ...

    Meeting Document : CCAMLR-XXXVI/BG/16 : Auteur(s): Delegation of the USA

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