Résultats de la recherche

1. A versatile approach to minimise damage or loss of longline gear due to sea-ice

   Abstract:  At SAM 2019, there were again reports on damage and/or loss of longline gear, most ... quickly varying sea ice cover, there is an increased risk that any parts of longline gear floating on the ... buoy recovery systems for short-term deployment of scientific instruments on the sea floor and invites ... FSA to: (1) to (re-)discuss the issue of damage or loss of longline gear due to sea ice, including the ...

   Meeting Document : WG-FSA-2019/04 : Auteur(s): S. Hain, T. Brey and K. Teschke

2. RESPONSE OF ANTARCTIC BENTHIC COMMUNITIES TO DISTURBANCE: WRST RESULTS FROM THE ARTIWCIAL BENTHIC DISTURBANCE EXPERIMENT ON THE EASTERN WEDDELL SEA SHELF, ANTARCTICA

   simulate the impact of grounding icebergs on the seabed and follow the steps and timescales of recovery of ... this experimental field study. By means of 11 densely-placed hauls with a modified bottom trawl, a ... seabed area of approximately 100 x 1000 m was artificially scoured to inflict a similar damage to the ... drastically reduced by a factor of 10, while mean abundances were only slightly reduced. Demersal fish biomass ...

   Meeting Document : WS-VME-09/P05 : Auteur(s): Rossi, S., Mintenbeck, K., Knust, R., Isla, E., Gerdes, D.

3. Population dynamics of wandering albatross Diomedea exulans and Amsterdam albatross D. amsterdamensis in the Indian Ocean and their relationships with longline fisheries: conservation implications

   Abstract:  Studies carried out over the past three decades at Crozet and Kerguelen Islands in the ... 1986 have shown slow recovery. The population of the endangered Amsterdam albatross Diomedea ... study of the Crozet population indicates that the earlier decline was mainly the result of increased ... adult mortality, and secondarily of low recruitment. Satellite tracking studies of breeding birds and ...

   Meeting Document : WG-FSA-96/09 : Auteur(s): Jouventin, P., Brothers, N., Weimerskirch, H.

4. Apparent decrease of Weddell seal numbers in the western Ross Sea

   imagery during 2008-2012 indicated many fewer Weddell seals (Leptonychotes weddellii) at the two major ... Edisto-Moubray as well. The timing of decline, or perhaps spreading (low numbers of seals in more places ... . We analyzed both historic and satellite-derived ice data but found only an expansion of pack ice in ... the larger region and a thinning of fast ice along Victoria Land (conceivably beneficial to seals ...

   Meeting Document : WG-EMM-14/44 : Auteur(s): D.G. Ainley, M.A. Larue (USA), I. Stirling (Canada), S. Stammerjohn and D.B. Siniff (USA)

5. On dispersion of different pelagic organisms, forming Antarctic backscattering in South Sandwich subarea during January–February 2000

   . At the depth of more than 90m principle backscattering recorders can be pertained to myctophid fish ... Abstract:  In the paper these have been discussed the results of acoustic estimation of ... myctophid fish species. There have been obtained differences between spatial distribution of different ... groups of pelagic organisms. One can reveal, basing on the results of surveying, the influence of water ...

   Meeting Document : WG-EMM-01/61 : Auteur(s): S.M. Kasatkina and A.P. Malyshko (Russia)

6. Estimating uncertainty in local biomass estimates of toothfish in CCAMLR in Subareas 58.4 and 48.6 research blocks

   estimates. For Patagonian toothfish in Subarea 58.4 the confidence intervals of both methods overlapped in ... underlying assumptions currently made in one or both of the methods are likely to be invalid. We recommend ... estimation methods at the Research Block scale and prioritise resolving issues in Research Blocks that show ... uncertainty in local biomass estimates of toothfish in CCAMLR in Subareas 58.4 and 48.6 research blocks ...

   Meeting Document : WG-SAM-17/12 : Auteur(s): L. Robinson, P. Burch and K. Reid

7. Report of a domestic workshop to identify U.S. stakeholders’ objectives and protection priorities for one or more marine protected areas in Planning Domain 1

   studies,” and ten other candidates.  Participants at the workshop prioritized protection of the ... Abstract:  The United States has substantive interests within the boundaries of Planning Domain 1 ... domestic workshop to develop background information relevant to the establishment of one or more marine ... protected areas (MPAs) therein.  Key products from the workshop include a list of the types of specific ...

   Meeting Document : WG-EMM-15/34 : Auteur(s): G. Watters (USA)

8. Evidence of Vulnerable Marine Ecosystems documented via submarine in the Antarctic Sound and Gerlache Strait (Subarea 48.1)

   biodiversity of the Southern Ocean, a variety of ecosystems must be protected. This holds especially true for ... the benthic communities of this region that are characteristically mosaic in their distributions. As ... in CCAMLR’s Report of the Workshop on Vulnerable Marine Ecosystems (E-SC-XXVIII-A10, 2009) and as ... recognized by WG-EMM in previous years. Herein, evidence appropriate to the diverse characteristics of the ...

   Meeting Document : WG-EMM-18/35 : Auteur(s): S. Lockhart and J. Hocevar

9. Variability of krill biomass estimates in repeated mesoscale surveys in relation to CCAMLR-2000 Survey

   the krill biomass status, is it high, medium or low at the present time. The comparative analysis of ... Abstract:  One of the important problems in interpreting CCAMLR-2000 results is how they reflect ... krill biomasses derived from trawl catches was carried out; retrospective data of three Soviet surveys ... , covering the main part of the CCAMLR-2000 area, were used: RV “Argus” (27.01.84-16.03.84) and RV “Evrika ...

   Meeting Document : WG-EMM-01/28 : Auteur(s): V.A. Sushin, F.F. Litvinov (Russia) and V. Siegel (Germany)

10. AGE AND GROWTH OF SPINY ICEFISH, CHAENODRACO WILSONI REGAN, 1914, OFF JOINVILLE-D'URVILLE ISLANDS (ANTARCTIC PENINSULA)

    Abstract:  Age and growth of spiny icefish, Chaenodraco wilsoni, were investigated using counts of ... January 2007. A total of 218 specimens were selected for the study, consisting of 120 females and 98 males ... . The age of fish was estimated by counting annuli on transverse sections obtained by grinding and ... polishing whole otoliths embedded in epoxy resin in moulds. The precision of age estimates between readings ...

    Meeting Document : WG-FSA-08/33 : Auteur(s): M. La Mesa, A. De Felice (Italy), C.D. Jones (USA) and K.-H. Kock (Germany)

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