Résultats de la recherche
-
Supplement to the krill synoptic survey design in Area 48 (with participation of a Russian scientific research vessel)
Abstract: The necessity of synoptic survey covering the South Sandwich Islands that are an ... integral part of Area 48 is discussed. It is shown that in this case there shall be obtained for the first ... time for the recent twenty years the material which allows to have an idea of krill simultaneous ... distribution over the whole water area of Subareas 48.1-48.4 covering a vast zone of krill drift and that of ...
Meeting Document : WG-EMM-99/43 : Auteur(s): V.A. Sushin, S.M. Kasatkina and F.F. Litvinov (Russia)
-
Antarctic Climate Change and the Environment – 2011 update
Abstract: This paper is the second update to CCAMLR and the ATCM since the publication of the ... SCAR Antarctic Climate Change and the Environment (ACCE) report (Turner et al., 2009a). The ACCE report ... was a first step in compiling a comprehensive assessment of scientific information on the climate ... system and ecosystem responses to change in the Antarctic and Southern Ocean region. The present paper ...
Meeting Document : CCAMLR-XXX/BG/14 : Auteur(s): Submitted by SCAR
-
Analyses of acoustic line-transect data from the waters around South Georgia: estimation of krill (Euphausia superba Dana) biomass
Abstract: A large-scale acoustic survey of zooplankton stocks of the waters around South Georgia ... was carried out during November and December 1981. The data have been analysed as a survey using ... various definitions of strata. The total biomass in the area of 155 786 km2 was estimated to be 1.8225 x ... 106 t (Coefficient of Variation = 9.5%). This gives an estimate of mean density throughout the region ...
Meeting Document : WG-KRILL-91/30 : Auteur(s): E. Murphy, I. Everson and A. Murray (United Kingdom)
-
PROTECTING THE SOUTHERN OCEAN WHALE SANCTUARY: DEVELOPMENT OF A MANAGEMENT PLAN
Abstract: ASOC submitted a paper to the June meeting of the International Whaling Commission in ... Santiago outlining the reasons why the IWC, in concert with CCAMLR and other appropriate international ... bodies, should develop a Management Plan for the Southern Ocean Whale Sanctuary. This was made available ... as an Opening Statement in accordance with IWC rules. Following the IWC meeting, ASOC prepared an ...
Meeting Document : CCAMLR-XXVII/BG/29 : Auteur(s): Submitted by ASOC
-
AN UPDATED DESCRIPTION AND PARAMETERISATION OF THE SPATIAL MULTI-SPECIES OPERATING MODEL (SMOM )
Abstract: An updated version of the Spatial Multi-species Operating Model (SMOM) of krill ... advice regarding the subdivision of the precautionary catch limit for krill among 15 small-scale ... management units (SSMUs) in the Scotia Sea, to reduce the potential impact of fishing on land-based predators ... . The model includes krill as prey and four predator groups (penguins, seals, fish and whales) in each ...
Meeting Document : WG-SAM-08/17 : Auteur(s): É.E. Plagányi and D.S. Butterworth (South Africa)
-
Conditions for the precise measurement of fish target strength in situ
studied and two indexes are introduced for this purpose. One is the number of fish in the effective ... reverberation volume which contributes echo formation at a certain instant and the other is the percentage of ... the multiple echoes which is derived from a residual of the single echo extraction. With the decrease ... reliable from the past study. This shows the existence of some threshold values and below these threshold ...
Meeting Document : WG-Krill-94/35 : Auteur(s): K. Sawada and M. Furusawa (Japan), N.J. Williamson (USA)
-
The SCAR Antarctic digital topographic database
Abstract: The Antarctic digital topographic database is the outcome of a truly international ... collaborative project between 11 nations. Data capture was co-ordinated in the UK, under the auspices of the ... from 1:200 000 to 1:5 000 000, were digitized for the project and reference was made to a similar ... number of satellite images (mostly Landsat photographic products). Editing and harmonization of the data ...
Meeting Document : SC-CAMLR-XII/BG/16 : Auteur(s): Delegation of United Kingdom
-
Rockhopper penguins and other marine life threatened by driftnet fisheries in the south Atlantic ocean
Abstract: The oriental driftnet fleet, which is responsible for the large scale mortality of non ... -target species in the Pacific Ocean, has extended its range to include the South Atlantic Ocean ... . Relatively little is known about the areas of operation and impacts of driftnetting in the South Atlantic as ... yet, but it is emerging that driftnetting is equally devastating to the fauna of the South Atlantic ...
Meeting Document : CCAMLR-IX/BG/05 : Auteur(s): Delegation of South Africa
-
Assessment of green Notothenia (Notothenia gibberifrons, Lonnberg 1905) stocks in the Antarctic Peninsula subarea
Abstract: Biological characteristic and distribution of the green Notothenia by depth are given ... based on the results of inventory trawling surveys carried out in 1984/1985 and 1986/1987 by the BMRT ... "Gizhiga" in the Antarctic Peninsula subarea. Also presented are the abundance and biomass ... indices and the estimate of this species biomass by location and for the subarea on the whole. According ...
Meeting Document : SC-CAMLR-VII/BG/46 : Auteur(s): V.A. Boronin (USSR)
-
Review of Russian investigations of krill escape through the meshes of commercial trawls: approaches to estimating gross removal at krill fishery
Abstract: In this study the review of Russian investigations of krill escapement through the ... of fine-meshed chafers) and analytical methods are presented. The main factors affected on krill ... escapement though trawl netting and escape mortality are shown. The author discusses the results of these ... studies in two aspects: the problems and approaches to elaboration of the efficient methodology for the ...
Meeting Document : WG-EMM-10/19 : Auteur(s): S.M. Kasatkina (Russia)