Search results
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Contrasting population changes in sympatric penguin species in association with climate warming
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 ... ice adapted gentoo penguins increased significantly in numbers over the last 26 years, whereas ... chinstrap and Adélie penguins both declined. These trends occurred in parallel with regional long-term ...
Meeting Document : WG-EMM-06/P3 : Author(s): J. Forcada, P.N. Trathan, K. Reid, E.J. Murphy and J.P. Croxall (United Kingdom)
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Trends in mean lengths and selectivities for Dissostichus eleginoides taken by longliners in Subarea 48.3
Abstract: At its last meeting, WG-FSA noted a declining trend in the mean lengths of toothfish ... found the same declines in mean lengths for the period 1997 – 1999 as previously noted by WG-FSA, but ... also that this trend was halted in 2000. A GLM analysis of these data shows that both area and depth ... are highly significant factors in explaining part of this variation over time, but not all of it ...
Meeting Document : WG-FSA-01/48 : Author(s): G.P. Kirkwood and D.J. Agnew (United Kingdom)
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2016 –Part B: Description of available spatial data
background in support of the development of a marine protected area (MPA) in the Weddell Sea planning area ... . In accordance with the recommendations by WG-EMM-14 (SC-CAMLR-XXIII, Annex 6), this was done in three ... presented at the meetings of EMM in 2015 and 2016 and SC-CAMLR in 2015. At the CCAMLR meeting in 2015 the ... revised in the light of comments received at the above mentioned meetings. Final additions in the 2015/16 ...
Meeting Document : SC-CAMLR-XXXV/BG/12 : Author(s): Delegation of Germany
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2016 – Part C: Data analysis and MPA scenario development
background in support of the development of a marine protected area (MPA) in the Weddell Sea planning area ... . In accordance with the recommendations by WG-EMM-14 (SC-CAMLR-XXIII, Annex 6), this was done in three ... presented at the meetings of EMM in 2015 and 2016 and SC-CAMLR in 2015. At the CCAMLR meeting in 2015 the ... Delegation of Germany presents Part C to the Scientific Committee. Part C has been further revised in the ...
Meeting Document : SC-CAMLR-XXXV/BG/13 : Author(s): Delegation of Germany
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Variability of krill biomass estimates in repeated mesoscale surveys in relation to CCAMLR-2000 Survey
Abstract: One of the important problems in interpreting CCAMLR-2000 results is how they reflect ... ) and methods of sampling, but sampling was carried out in the 0-100 m water layer instead 0-200 m in ... significant changes, being in the limit of 15.3-20.3 g/m2. When assuming that changes of average weight ... density reflect biomass variability, it may be suggested that value of the total krill biomass in the area ...
Meeting Document : WG-EMM-01/28 : Author(s): V.A. Sushin, F.F. Litvinov (Russia) and V. Siegel (Germany)
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A proposal for a research plan for the exploratory longline fishery for Dissostichus spp. in 2013/14 in Division 58.4.3a
Abstract: In 2011/2012, a French vessel conducted its first exploratory fishery for Dissostichus ... spp. in division 58.4.3a. A new campaign is scheduled for 2013. France has also notified its intention ... to participate in this exploratory fishery over the next three years in order to achieve a robust ... WG-FSA 2012 and to progress on modeling tools in order to improve the estimation of current biomass ...
Meeting Document : WG-FSA-13/04 : Author(s): A. Rélot-Stirnemann - Submitted on behalf of France
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Research plan for exploratory fishing for toothfish (Dissostichus spp.) in 2016/17 in Division 58.4.2 by France
Abstract: Exploratory fishing for toothfish (Dissostichus spp.) in Division 58.4.2 began in 2003 ... . In 2015 the fishery was limited to one Korean and one Spanish flagged vessel using longlines and the ... precautionary catch limit for the exploratory fishery for Dissostichus spp. was 35 tonnes in SSRU E. Only the ... notified their intention to participate in the exploratory fishery. For 2017 France notifies its intention ...
Meeting Document : WG-SAM-16/02 : Author(s): Delegation of France
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Spatial aggregation of harvesting in Subarea 48.1, in particular during the summer and close to the coast
associated level of catch has increased in Subarea 48.1 during the penguin breeding season. We explore in ... detail, the fishing patterns in Subarea 48.1 during 2014/2015, showing that two areas of fishing ... aggregation took place, one in the Bransfield Strait and one in Hughes Bay, on the Danco Coast. The latter ... operated, collectively taking over 42,000 tonnes of krill from an area less than 30 km in diameter. The ...
Meeting Document : WG-EMM-16/17 : Author(s): P. Trathan and S. Hill
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Annual changes in species composition and abundance of myctophid fish in the north of South Georgia (CCAMLR Subarea 48.3), Antarctica, during austral winter from 2002 to 2008
bycatch samples collected by scientific observers onboard Japanese commercial krill fishing vessels in the ... total of 9 myctophid species were identified in the by-catch samples, among which Krefftichthys ... mesopelagic ichthyofauna in this area, though this species used to dominate in the Antarctic coastal waters ... . In contrast, P. choriodon, which is known as a temperate species, became to dominate the recent ...
Meeting Document : WG-EMM-10/22 : Author(s): T. Iwami, M. Naganobu, K. Taki and M. Kiyota (Japan)
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Results of the Spanish exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2 in the 2013/14 season
year of the multi-year research survey in Divisions 58.4.1 and 58.4.2, the F/V Tronio has returned to ... the same places surveyed in the 2012/13 season, as well as expanded the experience westwards to the ... that was visited for the commercial Spanish fleet along five seasons in the SSRU 58.4.1C is made ... , together with the estimation of the total Biomass in the entire SSRU using a depletion model. There have ...
Meeting Document : WG-SAM-14/12 Rev. 1 : Author(s): R. Sarralde, L.J. López-Abellán and S. Barreiro (Spain)