Search results
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LIFE HISTORY BUFFERING IN ANTARCTIC MAMMALS AND BIRDS AGAINST CHANGING PATTERNS OF CLIMATE AND ENVIRONMENTAL VARIATION
interannual variation in fitness. These species maximise fitness by keeping a low inter-annual variance in the ... survival of adults and in their propensity to breed annually, which are the vital rates that influence most ... the variability in population growth rate (λ). All these species have been able to buffer these rates ... against the effects of recent climate-driven habitat changes except for Antarctic fur seals, in the ...
Meeting Document : WG-EMM-08/P05 : Author(s): J. Forcada, P.N. Trathan and E.J. Murphy
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Environmental response of upper trophic level predators reveals a system change in an Antarctic marine ecosystem
Abstract: In the Antarctic Peninsula region current, long-term changes in the physical ... Georgia. Indices of population size and reproductive performance showed declines in all species and an ... increase in the frequency of years of low reproductive output. Changes in the population structure of krill ... largest size class was sufficient to support predator demand in the 1980's but not in the 1990's ...
Meeting Document : WG-EMM-01/21 : Author(s): K. Reid and J.P. Croxall (United Kingdom)
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Revised research plan for the 2016/17 exploratory longline fishery of Dissostichus spp. in Subarea 48.6 by South Africa and Japan
Abstract: South Africa and Japan have revised the next season’s (2016/17) research plan in ... in 2016. We have used extracted data provided by CCAMLR Secretariat in this late August for the ... current analysis, but not used the cleaning data provided by them in this early September due to tight ... schedule toward the submission. We investigated the biological features of D. mawsoni in the Subarea and ...
Meeting Document : WG-FSA-16/32 Rev. 1 : Author(s): Delegations of Japan and South Africa
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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 : Author(s): Delegation of Ukraine
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Population identity, site-fidelity, movement ranges and preliminary estimates of abundance of southern right whales in the Antarctic Indian sector inferred from genetic markers
identity as well the individual identity of southern right whales distributed in summer in the Antarctic ... abundance based on ‘mark-recapture’ methods in the Antarctic Indian sector (i.e., between 80°-135°E and ... south of 60°S). In total, 157 biopsy samples were collected as skin biopsies from free-ranging whales ... the presence of a Y-chromosome specific locus. The mtDNA analysis suggested that whales in the ...
Meeting Document : WG-EMM-18/18 : Author(s): L.A Pastene, M. Goto, P. Acuña, M. Taguchi, T. Hakamada and K. Matsuoka
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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 : Author(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.
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Report on fish by-catch on exploratory fishing in Divisions 58.4.1 and 58.4.2
Abstract: In this paper, we report on fish by-catch during exploratory fishing activities ... undertaken in Divisions 58.4.1 and 58.4.2 during the 2012 to 2018 seasons. Fish by-catch comprised 14 species ... or groups of species. In 2018, by-catch represented 12% of the total catch (43 tonnes over 307 tonnes ... of Dissostichus spp.) in Divisions 58.4.1 and 58.4.2. 98% of the biomass was represented by 2 ...
Meeting Document : WG-FSA-18/28 : Author(s): C. Péron, P. Yates, D. Maschette, C. Chazeau, P. Ziegler, D. Welsford, N. Gasco and G. Duhamel
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Has krill fishing the potential to adversely affect recruitment in Antarctic notothenioid fishes?
Abstract: A few years after krill (Euphausia superba) fishing had started in 1972/73, it became ... by-catch in fisheries targeting krill. The species composition of fish by-catch in krill fisheries is ... well-known from Polish investigations in the late 1970s and the 1980s and from Japanese, Ukrainian, and ... Russian investigations in the 1990s, 2000s and 2010s. However, only a few investigations in the 1990s and ...
Meeting Document : WG-FSA-14/66 : Author(s): K.-H. Kock (Germany) and C.D. Jones (USA)
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Cameras installation by Ukraine at the Galindez, Petermann and Yalour Islands penguin colonies – CEMP Fund project ‘Establishing a CEMP Camera Network in Subarea 48.1’
Abstract: In the report, which is updated paper WG-EMM-16/55, we describe the season activity in ... the Ukrainian Vernadsky Antarctic Station area on installation CEMP cameras in penguin colonies as ... Network in Subarea 48.1'. Work has been provided under support of the National Antarctic Scientific ... Center of Ukraine that is operating Vernadsky Station. In season 2015/2016 we installed nine cameras at ...
Meeting Document : SC-CAMLR-XXXV/BG/27 : Author(s): Delegation of Ukraine
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Results from the random stratified trawl surveys to estimate distribution and abundance of Dissostichus eleginoides and Champsocephalus gunnari in the Heard Island region (Division 58.5.2) for 2010 and 2011
Abstract: Random stratified trawl surveys were completed in September 2010 and in March to May ... 2011 on the RV Southern Champion, adding to the time series of annual surveys in Division 58.5.2 that ... commenced in 1997. An earlier survey in April 2010 was not completed, but valid hauls from this, as well as ... the September 2010 survey were used in the stock assessment as they provided valuable additional ...
Meeting Document : WG-FSA-11/23 : Author(s): G.B. Nowara, S.G. Candy and T. Lamb (Australia)