Résultats de la recherche
-
Distribution and possible areas of spatial mixing of two stocks of humpback whales, a krill predator, in the Indo-Pacific region of the Antarctic revealed by genetic analyses
substantial numbers; iii) Eastern Australian whales distribute mainly in Area VW, and probably mix with a ... Eastern Australian stocks in the Antarctic, which has been based on the boundaries of IWC Management Areas ... of two stocks of the humpback whale, a krill predator, in the Indo-Pacific region of the Antarctic ... . These were breeding Stock ‘D’ off Western Australia and breeding Stock ‘E1’ off Eastern Australia. Both ...
Meeting Document : WG-EMM-2019/67 : Auteur(s): L.A. Pastene, M. Goto, M. Taguchi and K. Matsuoka
-
Seasonal variation in acoustic estimates of krill density at South Georgia during 2001/2002
(middle), and one in May 2002 (late). The surveys were the second in a five-year series of observations ... around South Georgia in the 2001/2002 season: one in November 2001 (early); two during January 2002 ... Antarctic Survey regularly since 1996. Krill density in November was low (5 g m-2), higher in both the two ... surveys in January (46g m-2 and 72 g m-2) and had decreased to 12 g m-2 by May. Our repeated surveys at ...
Meeting Document : WG-EMM-02/39 : Auteur(s): C. Goss, S.A. Grant, N. Cunningham, J.L. Watkins, P.N. Trathan, E. Murphy and K. Reid (United Kingdom)
-
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 ... individual tags are lost from tagged toothfish in Subareas 88.1 and 88.2 from a sample of 969 double tagged ... 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 ...
Meeting Document : WG-SAM-11/18 : Auteur(s): A. Dunn, M.H. Smith (New Zealand), D.J. Agnew (UK) and S. Mormede (New Zealand)
-
Analysis of the Chilean operation in the Antarctic krill fishery, years 2017/18
captured krill are recorded per trip and Subarea. Additionally, information is given on the yield obtained ... in meal production and the conversion factor determined in the reduction process. Finally, movements ... of the ship between extraction zones during each fishing trip are described Author(s): P.M. Arana ... and R. Rolleri Title: Analysis of the Chilean operation in the Antarctic krill fishery, years 2017/18 ...
Meeting Document : WG-EMM-2019/09 : Auteur(s): P.M. Arana and R. Rolleri
-
CEMP camera installations by Ukraine at the Galindez, Petermann and Yalour Islands penguin colonies as a part of CEMP Fund project ‘Establishing a CEMP camera network in Subarea 48.1’
monitor pengiune nests for breeding success and chronology. Cameras have been installed in the middle of ... Abstract: In the report we describe the season activity in the Ukrainian Vernadsky Antarctic ... Station area on installation CEMP cameras in penguin colonies as part of the CEMP project run by USA ... , Argentina, Poland and Ukraine 'Establishing a CEMP Camera Network in Subarea 48.1'. In season 2015 ...
Meeting Document : WG-EMM-16/55 : Auteur(s): Delegation of Ukraine
-
Population structure of icefish (Champsocephalus gunnari) in the South Georgia area (Antarctic)
Abstract: The living conditions of Champsocephalus gunnari in the eastern, western shelf areas of ... eastern grouping both in otolith morphology and morphometric characteristics. In larger fish the ... inhabiting the areas at Shag Rocks and South Georgia is characterized with the lack of fish below 11 cm in ... length and older than 6-7 years (10-11 years in the South Georgia area) and considerably lower number of ...
Meeting Document : WG-FSA-04/40 : Auteur(s): Zh.A. Frolkina and I.A. Trunov (Russia)
-
Spatio-temporal dynamics of the Antarctic krill fishery in Subarea 48.1 based on data collected on board F/V Fu Rong Hai
autumn, the fishing activity usually concentrated in the middle of the Bransfield strait Acoustic data ... played an important role in the feed-back management of krill fishery. The CPUE data collected from the ... spatial dynamics of the population and the fishery of krill in CCAMLR Subarea 48.1. The acoustic data ... . In most fishing seasons, krill abundances were found higher in autumn than that of in summer. In ...
Meeting Document : WG-EMM-18/41 : Auteur(s): Y. Ying, X. Wang, X. Zhao, J. Zhu, G. Fan and X. Yu
-
Composition and characteristics of ichthyofauna in pelagic waters of South Georgia (Subarea 48.3)
Paper Title: Composition and characteristics of ichthyofauna in pelagic waters of South Georgia ... trawl census surveys conducted in Subarea 48.3. From 1984 to 1990 daily sampling stations aimed at ... ichthyocenosis in the subarea consisted of pelagic fishes (mainly Myctophidae), distributed at a depth range of ... 250 to 300 m, as well as demersal fishes in the pelagic stage of their life cycle. Catches contained ... species was caught mainly in the southern and eastern areas where it was the predominant Channichthyidae ... specimens per haul taken in the eastern area. In pelagic hauls specimens measured from 69 to 215 mm ... southern and eastern sectors. G. nicholsi often dominated catches by Ichthyofauna in Pelagic Waters of ... CHARACTERISTICS OF ICHTHYOFAUNA IN PELAGIC WATERS OF SOUTH GEORGIA (SUBAREA 48.3) G.A. Frolkina, M.P ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 125–164 : Auteur(s): Frolkina, G.A., M.P. Konstantinova and I.A Trunov
-
Distribution, biological characteristic and biomass of icefish from the results of inventory trawling survey carried out by STM-8390 Atlantida in January–March 2002
Subarea, except the north-eastern part. During the survey, specimens 15 cm in length at the age of 2 ... -8390 Atlantida in February 2002 in Subarea 48.3 are presented. During this period, the fish were mainly ... foraging. Champsocephalus gunnary 22-28 cm in length at the age of 2-3 predominated on all grounds of the ... prevailed in pelagic catches. Peculiarity of Ch. gunnary biology in 2002 consisted in high internal fatness ...
Meeting Document : WG-FSA-02/79 : Auteur(s): Zh.A. Frolkina and P.S. Gasiukov (Russia)
-
Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea
the possibility that thorn growth ceases in large individuals. Von Bertalanffy growth curves are ... the curve for both sexes provides the best available representation of growth in the species: Lt ... = 70.8(1-e-0.308[t+1.10]), where Lt is the pelvic length (PL) in centimetres at age t. Applying this ... georgiana) in the Ross Sea Approval: Approved ...
Meeting Document : WG-FSA-04/29 : Auteur(s): M.P. Francis and C. Ó Maolagáin (New Zealand)