Résultats de la recherche
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Contrasting population changes in sympatric penguin species in association with climate warming
ice adapted gentoo penguins increased significantly in numbers over the last 26 years, whereas ... Abstract: Climate warming and associated sea ice reductions in Antarctica have modified habitat ... demonstrate remarkable population responses to regional warming. However, inconsistencies in the direction of ... chinstrap and Adélie penguins both declined. These trends occurred in parallel with regional long-term ...
Meeting Document : WG-EMM-06/P3 : Auteur(s): J. Forcada, P.N. Trathan, K. Reid, E.J. Murphy and J.P. Croxall (United Kingdom)
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Revised research plan for the exploratory fisheries for Dissostichus spp. in Subarea 48.6 in 2014/15
CPUE method (using Division 88.2H as a reference area) for Dissostichus mawsoni in block 486_2. However ... , the estimates using the Petersen estimator were different from those using the CPUE method in other ... ) were relatively consistent with the observed numbers for D. mawsoni in the block 486_2 for 2012/13 and ... Dissostichus spp. in other blocks. As we proposed at the last WG-SAM meeting, since we have yet to obtain ...
Meeting Document : WG-FSA-14/17 : Auteur(s): Delegation of Japan
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Research plan for the exploratory fisheries for Dissostichus spp. in Subarea 48.6 in 2014/15
were inconsistent for Dissostichus spp. in other blocks. As we proposed at the WG-FSA meeting last year ... least 3 years with the same sample size as decided at the last CCAMLR meeting in the current research ... exploratory fishery of toothfish in Subarea 48.6. The stock sizes for five research blocks (486_1, 486_2 ... that using the CPUE method for Dissostichus mawsoni in block 486_2. However, the estimates using the ...
Meeting Document : WG-SAM-14/01 : Auteur(s): Delegation of Japan
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The results of performance of tagging programs of the Korean exploratory fishery for Dissostichus spp. in 88.1 in the 2010/11 season
participated in the exploratory fishery from 1st Dec 2010 to 10th Jan 2011 for Dissostichus spp. The fisheries ... took place in subarea 88.1 BCJL. During their activities, the vessels gathered scientific information ... presented the results from the fisheries and comparison of statistics in each SSRU. Total catch including by ... -catches in 88.1 BCJL were 35,436 fishes. Dissostichus Spp. was the highest catch, contributing 99.62% to ...
Meeting Document : WG-FSA-11/54 : Auteur(s): T. Jung and H.J. Choi (Republic of Korea)
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Results of the fifth Ross Sea shelf survey to monitor abundance of sub-adult Antarctic toothfish in the southern Ross Sea, February 2016, and notification for continuation in 2017
a mode at 75 cm, and that the older year class has 100 cm. The decline in the catch rates from 2012 ... subsequent year classes. The increase in 2016 is also reflective of the introduction of a new, stronger year ... first four surveys were completed in February 2012, 2013, 2014, and 2015. In this paper we provide ... results of the fifth survey in the time series. The objectives of this survey were: (1) to continue a time ...
Meeting Document : WG-SAM-16/14 : Auteur(s): A. Dunn, C. Jones, S. Mormede and S. Parker
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Research plan for toothfish in Divisions 58.4.4a and b by Shinsei Maru No. 3 in 2011/12
Abstract: A tagging survey in SSRUs B and C in Division 58.4.4 a & b was initiated in the ... structure, size, movement and growth of Dissostichus spp. in the centered area of Division 58.4.4 a & b ... . In the 2010/11 a total of 189 D. eleginoides were tagged and released in SSRUs B and C. Four tagged D ... . eleginoides, of which two fish were tagged and released in SSRU C during the 2007/08 and 2009/10 preliminary ...
Meeting Document : WG-SAM-11/07 : Auteur(s): Delegation of Japan
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By-catch in Australian fisheries in Divisions 58.5.2, 58.4.2 and 58.4.3 during the 2002/03 and 2003/04 fishing seasons
per/year in total length, 21mm per year in disk width and 0.14 kg per year in weight. Recapture rates ... Abstract: This paper presents bycatch information for the Australian fisheries in Divisions ... /2004 seasons. Bycatch in the trawl fisheries was low, approximately 1 to 2% of the total catch (target ... plus bycatch). Bycatch in the longline fisheries was higher, ranging from 8% to 14% of the total catch ...
Meeting Document : WG-FSA-04/68 : Auteur(s): E. van Wijk and R. Williams (Australia)
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Report on fishery and scientific activity of Ukraine in the Antarctic in 1993/94
Abstract: In the season of 1993-1994 Ukrainian fishing fleet conducted fisheries in two areas of ... Antarctic waters of the World Ocean: in the Atlantic (subareas 48.2 and 48.3) and the Indian (zone of the ... Kerguelen Islands, French EEZ, division 58.5.1) Oceans. In 1994 Ukraine has resumed krill fishing stopped in ... in subarea 48.2 from 01.03.1994 to 10.04.1994 and from the middle of the second ten-day period of May ...
Meeting Document : SC-CAMLR-XIII/BG/12 : Auteur(s): Observer (Ukraine)
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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)
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Research plan for toothfish in Division 58.4.4 b by Shinsei maru No. 3 in 2015/16
Abstract: In this document, we revise stock status assessments of D. eleginoides in research ... results using CASAL models in research block 58.4.4b_1 are described in a separated document. The ... estimated stock size in block 58.4.4b_1 was 597, 336 and 553 tonnes in CPUE analogy method, Petersen method ... and CASAL OB_1b model (vulnerable biomass in 2014), respectively. The stock sizes of D. eleginoides in ...
Meeting Document : WG-SAM-15/13 : Auteur(s): Delegation of Japan