Résultats de la recherche

1. Multinational large-scale krill synoptic survey in CCAMLR Area 48 in 2019 – survey plan and protocol for consideration by SG-ASAM 2018

   in 2019 is to provide an updated estimate of the biomass of Antarctic krill (Euphausia superba) used ... of the CCAMLR 2000 survey, that was undertaken in the year 2000. The basis for comparisons will ... Abstract:  The objective for the Multinational Large-Scale Krill Synoptic Survey in CCAMLR area 48 ... in models to estimate sustainable yield. The planned survey follows, as close as possible, the design ...

   Meeting Document : SG-ASAM-18/07 : Auteur(s): B.A. Krafft, O.A. Bergstad, T. Knutsen, G. Skaret and G. Macauley

2. Revised research plan for toothfish in Division 58.4.4 a & b by Shinsei maru No. 3 in 2013/14

   stock sizes of D. eleginoides in SSRU D is estimated only by using CPUE comparison with the stock size ... of a total of 50 tonnes in SSRUs C and D for the 2013/14 as in the 2012/13, thereafter, the phase of ... Abstract:  We revised stock status assessments of D. eleginoides in SSRUs C and D using ... . Detailed results using CASAL models in SSRU C are described in a separated document. The catch and tagging ...

   Meeting Document : WG-FSA-13/36 : Auteur(s): Delegation of Japan

3. Revised research plan for toothfish in Division 58.4.4 b by Shinsei maru No. 3 in 2014/15

   (vulnerable biomass in 2013), respectively. The stock sizes of D. eleginoides in block D is estimated at 948 ... next fishing season with the same survey design and sample size of 60 tonnes in order to further ... strengthen the stock assessments in the area. Author(s):  Delegation of Japan Title:  Revised research plan ... Abstract:  In this document, we revise stock status assessments of D. eleginoides in research ...

   Meeting Document : WG-FSA-14/21 : Auteur(s): Delegation of Japan

4. Contrasting population changes in sympatric penguin species in association with climate warming

   demonstrate remarkable population responses to regional warming. However, inconsistencies in the direction of ... population decreases in the three penguin species. With the loss of sea ice, Adélie penguins were less ... population changes between species at different study sites complicate the understanding of causal processes ... ice adapted gentoo penguins increased significantly in numbers over the last 26 years, whereas ...

   Meeting Document : WG-EMM-06/P3 : Auteur(s): J. Forcada, P.N. Trathan, K. Reid, E.J. Murphy and J.P. Croxall (United Kingdom)

5. Research plan for toothfish in Division 58.4.4b by Shinsei maru No. 3 in 2014/15

   ), respectively. The stock sizes of D. eleginoides in block D is estimated at 840 tonnes only by using CPUE method ... survey design and sample size of 60 tonnes in order to further strengthen the stock assessments in the ... Abstract:  In this document, we revise stock status assessments of D. eleginoides in research ... . Detailed results using CASAL models in research block C are described in a separated document. The Shinsei ...

   Meeting Document : WG-SAM-14/14 : Auteur(s): Delegation of Japan

6. Korean research plan for Dissostichus spp. in Subarea 88.3 in 2015/16

   directed fishing following the results of a Chilean survey activities in 1998 (SC-CCAMLR-XVII/BG/7 ... ):  Delegation of the Republic of Korea Title:  Korean research plan for Dissostichus spp. in Subarea 88.3 in ... was noted that 8 D. Mawsoni were tagged by the New Zealand in the 2004/2005 season and 123 D. Mawsoni ... were tagged by Russian flagged vessels in the 2010/11 and 2011/12 season (WG-FSA-05/53, WG-FSA-11/36 ...

   Meeting Document : WG-SAM-15/09 : Auteur(s): Delegation of the Republic of Korea

7. VARIABILITY IN KRILL BIOMASS LINKS HARVESTING AND CLIMATE WARMING TO PENGUIN POPULATION CHANGES IN ANTARCTICA

   populations to changes in the abundance of their main prey, Antarctic krill. Unlike many other predators in ... trajectories track the impacts of biological and environmental changes in this ecosystem. Linking trends in ... areas on the planet, with 5–6 °C increases in mean winter air temperatures and associated decreases in ... populations, many of which were nearly extirpated by humans. This region is also among the fastest-warming ...

   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

8. RECRUITMENT AND BODY SIZE IN RELATION TO TEMPERATURE IN JUVENILE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) AT SOUTH GEORGIA

   considered the most likely underlying drivers of variability in breeding success. The drivers of recruitment ... and larvae were not significantly correlated with juvenile density. The mean length of 1+ fish ... commercially important, deepwater nototheniid fish, was examined at the sub-Antarctic island of South Georgia ... . Abundance of the 1+ juvenile fish cohort (13 to 15 month old dependent on survey date) was found to vary ...

   Meeting Document : WG-FSA-08/P02 : Auteur(s): M. Belchier and M.A. Collins

9. Fishing ground selection in krill fishery: trends in its patterns across years, seasons, and nations

   also recognized in order to accommodate any possible development of the fishing techniques. Author(s ... third of them were identified as the main contributors to the total catch. A shift of operational timing ... century of krill operation in Area 48, patterns of SSMU usage has changed. Three different patterns of ... seasonal SSMU selection were characterized by following the result of cluster analysis. Frequently used ...

   Meeting Document : WG-EMM-05/28 : Auteur(s): S. Kawaguchi (Australia), K. Taki and M. Naganobu (Japan)

10. Phytoplankton standing stocks in relation to krill in Antarctic waters

    phytoplankton and zooplankton in the region of krill swarm however showed active feeding by the latter on these ... Abstract:  Investigations on krill trawl operations in the southern ocean were accompanied by the ... , consisting of 32 diatoms and one dinoflagellete. Chaetoceros and Nitzschia spp. dominated the phytoplankton ... to 2400 kg, the percentage of kill occurrence varied from 0 to 100% at stations sampled. The ...

    Meeting Document : WG-EMM-98/34 : Auteur(s): X.N. Verlecar, R. Vijayakumar, F. Saldhana and L. Martins (India)

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