Résultats de la recherche
-
Revised research plan for the 2015/16 exploratory longline fishery of Dissostichus spp. in Subarea 48.6
began in 2013 in data-poor fisheries. In the present report, the next three-season (2016-18) research ... plan in Subarea 48.6 was revised using the updated CCAMLR C2 and Observer data. The stock sizes for ... Dissostichus mawsoni in block 48.6_2. However, the estimates using the Petersen estimator were two-three times ... larger than those using the CPUE method in the block 48.6_3 and 48.6_4. Predicted numbers of tag ...
Meeting Document : WG-FSA-15/16 Rev. 1 : Auteur(s): Delegation of Japan
-
What do we know about fish stocks in the Southern Scotia region? A review and prospects for future research
, and followed primarily fluctuations in year-class strength and the environment. However, stocks of ... Abstract: Work on finfish in the southern Scotia Arc was restricted to taxonomy until the end of ... marbled notothenia, Notothenia rossii, started around the South Orkney Islands (60 – 62° / 43 – 47° W) in ... 1977/78 and close to Elephant Island and the lower South Shetland Islands (60 – 62° S / 54 – 62° W) in ...
Meeting Document : WG-FSA-00/14 : Auteur(s): K.-H. Kock (Germany) and C. Jones (USA)
-
Comparisons in prey distribution between inshore and offshore foraging areas of chinstrap penguins and Antarctic fur seals at Seal Island
(Pygoscelis antarctica) went beyond the inshore region and foraged in the slope/offshore region, even though ... the inshore region. Only diurnal chinstrap penguins foraged in the inshore region. The following ... advantages are considered for visual predators to feed in the slope/offshore region at night:(l) krill showed ... more uniformal distribution in the slope/offshore region in contrast to its very patchy distribution in ...
Meeting Document : WG-EMM-96/49 : Auteur(s): Ichii, T., Bengtson, J.L., Boveng, P., Cameron, M.F., Naganobu, M., Meyer, W.R., Hiruki, L.M., Takao, T., Jansen, J.K., Kawaguchi, S.
-
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’
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 ... monitor pengiune nests for breeding success and chronology. Cameras have been installed in the middle of ...
Meeting Document : WG-EMM-16/55 : Auteur(s): Delegation of Ukraine
-
Information on the spawning of Dissostichus mawsoni from Subareas 88.1 and 88.2 in the 2003/04 season
Dissostichus mawsoni were collected from Sub areas 88.1 and 88.2 in the 2002-2003 season by the New Zealand ... bottom longline vessels Janas, Avro Chieftain and San Aotea II operating in the Exploratory Fishery. The ... first fully mature female fish were found in December, three months earlier than in the previous season ... . The onset of spawning in D. mawsoni is in December and continues until at least June, in both Sub ...
Meeting Document : WG-FSA-04/34 : Auteur(s): G.J. Patchell (New Zealand)
-
Oxygen and carbon stable isotopes in otoliths record spatial isolation of Patagonian toothfish (Dissostichus eleginoides)
Abstract: Strong contrasts in ambient isotope ratios and in diet suggest stable isotopes in the ... distinguish South American-caught fish from those taken in the Antarctic. Values of δ18O and δ13C predicted ... prior evidence of population isolation. Values of δ18O in the otoliths reflected ambient values as well ... as seawater temperature: low values in Patagonian Shelf fish were consistent with exposure to ...
Meeting Document : WG-FSA-08/P03 : Auteur(s): J.R. Ashford and C.M. Jones
-
Recent information relevant to squid resources in the Convention Area
Abstract: In 1995 there was increased interest in fishing for Martialia hyadesi in waters ... adjacent to the Convention Area, with a catch in excess of 12,000 tonnes. Recent improvements in processing ... techniques for this squid also enhance commercial prospects and may promote interest in fishing in Convention ... waters. Although regulations for fishing of squid in nearby waters provide a useful model framework ...
Meeting Document : SC-CAMLR-XIV/BG/22 Rev. 1 : Auteur(s): Delegation of the United Kingdom
-
An investigation of integrated stock assessment methods for the Patagonian toothfish (Dissostichus eleginoides) in Division 58.5.2 using CASAL
Abstract: This paper follows preliminary work in 2005 in developing an integrated assessment for ... Patagonian toothfish in Division 58.5.2. It focuses on developing a “base-case” assessment, which is ... primarily based on the 2005 assessment implemented in the Generalised Yield Model (GYM) using survey data of ... show that an integrated assessment for Dissostichus eleginoides in Division 58.5.2 seems tractable. The ...
Meeting Document : WG-FSA-SAM-06/14 : Auteur(s): A. Constable, S. Candy and I. Ball (Australia)
-
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, catch, effort and biological data recorded ... by all effective vessels were analyzed for the improvement of stock assessment in the research blocks ... . Based on the result, the next three-season (2016-18) research plan in Division 58.4.1 is also presented ... reference area sizes. Although no toothfish fishery data along the shelf area in austral autumn – winter was ...
Meeting Document : WG-SAM-15/05 : Auteur(s): Delegation of Japan
-
Estimation of the biomass of krill in Prydz Bay during January/February 1991 and February/March 1992 using echo integration
Abstract: Hydroacoustic surveys of the abundance of krill (Euphausia superba) in the Prydz Bay ... region were undertaken in January/February 1991 and February/March 1992. The surveys indicated some ... association of krill with the shelf break in the western part of the survey area but also found that the shelf ... break was in general not a region of relatively high krill abundance. The mean surface density of krill ...
Meeting Document : WG-KRILL-92/23 : Auteur(s): I. Higginbottom and T. Pauly (Australia)