Résultats de la recherche
-
Revised reports on abundance and biological information of toothfish in Division 58.4.4 a & b by Shinsei maru No. 3 in 2012/13 season
information of toothfish in SSRUs C and D of Division 58.4.4a & b (Ob Lena Banks) from April 25 to May 22 ... , 2013. A total of 64 research hauls using normal trotline system were made in SSRUs C and D. Total catch ... of Dissostichus eleginoides (excluding those tagged and released) was 31.1 tonnes in the survey area ... from 64 longline sets. Mean CPUEs in terms of weight of D. eleginoides was 70.6 kg / km (CV = 79.1 ...
Meeting Document : WG-FSA-13/34 : Auteur(s): K. Taki, T. Ichii, T. Iwami and M. Kiyota (Japan)
-
Measurement of capacity in CCAMLR exploratory fisheries in Subareas 88.1 and 88.2: Secretariat update 2018
presented in WG-SAM-14/19 and WG-FSA-15/09 in order to monitor trends in capacity in exploratory toothfish ... fisheries in Subareas 88.1 and 88.2. The updated metrics show the same pattern as in previous updates and do ... not indicate an excess of capacity in the fishery. Interpretation of data for 2018 should be made in ... the context of changes in the area of operation and the application of fishery closures in the ...
Meeting Document : WG-FSA-18/15 : Auteur(s): CCAMLR Secretariat
-
Measurement of capacity in CCAMLR exploratory fisheries in Subareas 88.1 and 88.2: Secretariat update 2019
presented in WG-SAM 14/19 and WG-FSA 15/09 in order to monitor trends in capacity in exploratory toothfish ... fisheries in Subareas 88.1 and 88.2. The updated metrics show the same pattern as in previous updates and ... do not indicate an excess of capacity in the fishery. Interpretation of data for 2018 and 2019 ... should be made in the context of changes in the area of operation and the application of fishery ...
Meeting Document : WG-FSA-2019/06 Rev. 1 : Auteur(s): CCAMLR Secretariat
-
VARIABILITY IN KRILL BIOMASS LINKS HARVESTING AND CLIMATE WARMING TO PENGUIN POPULATION CHANGES IN ANTARCTICA
areas on the planet, with 5–6 °C increases in mean winter air temperatures and associated decreases in ... . One hypothesis guiding ecological interpretations of changes in top predator populations in this ... region, the “sea-ice hypothesis,” proposes that reductions in winter sea ice have led directly to ... declines in “ice-loving” species by decreasing their winter habitat, while populations of “ice-avoiding ...
Meeting Document : WG-EMM-11/P1 : Auteur(s): W.Z. Trivelpiece, J.T. Hinke, A.K. Miller, C.S. Reiss, S.G. Trivelpiece and G.M. Watters
-
Comparison of the catches and biological characteristics of Dissostichus mawsoni in Subarea 88.1 in seasons of 2002/03 and 2003/04
analysis of data collected relates to catch composition, effort, CPUE, and biological characteristics in ... different SSRU, month and depth of sets longlines. The comparison of these resultants showed that in the ... general fishery effort (quantity of sets and hooks) in those two seasons were similar (233 sets and 1,55 ... mln. hooks in 2002/03, and 222 sets and 1,79 mln. hooks in 2003/04). But the total catch of D.mawsoni ...
Meeting Document : WG-FSA-04/84 Rev. 1 : Auteur(s): K.V. Shust, N.V. Kokorin and A.F. Petrov (Russia)
-
DEVELOPMENT OF EFFECTIVE MITIGATION TO REDUCE SEABIRD MORTALITY IN THE ICEFISH (CHAMPSOCEPHALUS GUNNARI) TRAWL FISHERY IN SUBAREA 48.3
Abstract: Seabird mortality levels caused by net entanglement in the icefish trawl fishery in ... Subarea 48.3 became a concern in the late 1990s. At this time there was little knowledge on how to ... introduced for Subarea 48.3 in 2001. This provided a strong commercial incentive for industry to develop ... measures to reduce seabird bycatch levels. This resulted in the development and operational trialing of ...
Meeting Document : WG-IMAF-09/15 : Auteur(s): B. Sullivan (BirdLife International), J. Clark (United Kingdom), K. Reid (Secretariat) and E. Reid (BirdLife International)
-
Reports on abundance and biological information of toothfish in Division 58.4.4a & b by Shinsei Maru No. 3 in 2012/13 season
information of toothfish in SSRUs C and D of Division 58.4.4a & b (Ob Lena Banks) from April 25 to May 22 ... , 2013. A total of 64 research hauls using normal trotline system were made in SSRUs C and D. Total catch ... of Dissostichus eleginoides (excluding those tagged and released) was 31.1 tonnes in the survey area ... from 64 longline sets. Mean CPUEs in terms of weight of D. eleginoides was 70.6 kg / km (CV = 79.1 ...
Meeting Document : WG-SAM-13/20 : Auteur(s): K. Taki, T. Ichii, T. Iwami and M. Kiyota (Japan)
-
Temporal changes in sighting density indices of baleen whales in CCAMLR Subareas 48.1 and 48.2 based on three circumpolar sighting surveys
Abstract: This paper examines temporal changes in distribution and sighting density indices of ... krill-eater baleen whales in Subareas 48.1 and 48.2. This paper was prepared in response to a suggestion ... in EMM-15 that an analysis of historical cetacean surveys in IWC Area II could provide a context for ... at-sea observations of cetaceans. Sighting data examined in this study were obtained during a series ...
Meeting Document : WG-EMM-16/26 : Auteur(s): L.A. Pastene and T. Hakamada
-
Natural fluctuations in the abundance of krill with due regard to global climate changes in the southern hemisphere: forecasting possibilities
Abstract: The eco systematic studies in biology and hydrology conducted in the Atlantic sector of ... the South Ocean in recent years made it possible for scientists to establish a rather clear ... ;success" in the reproduction of krill (Euphausia superba) and salp (Salpa tompsoni) (SC-CAMLR-XVI4 ... al., 1997) and other researches in the Antarctic Peninsula Subarea 48.1 showed good correlation ...
Meeting Document : WG-EMM-98/52 : Auteur(s): K. Shust (Russia)
-
Reports on abundance and biological information of toothfish in Division 58.4.4 a & b by Shinsei maru No. 3 in 2013/14 season
information of toothfish in the research blocks 58.4.4b_1 (SSRU 58.4.4C) and 58.4.4b_2 (SSRU 58.4.4D) of ... trotline system were made in the blocks. Total catch of Dissostichus eleginoides (excluding those tagged ... and released) was 26.6 tonnes in the survey area. Mean CPUEs in terms of weight of D. eleginoides was ... 32.9 kg / km (CV = 11.3%) and 38.3 kg / km (CV = 13.6%) in the blocks 58.4.4b_1 and 58.4.4b_2 ...
Meeting Document : WG-SAM-15/14 : Auteur(s): Delegation of Japan