Search results
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Do Adélie penguin fledgling weights provide an index of prey availability?
between the two proxies was apparent when considering guard stage foraging trip durations but this was not ... as strong for the crèche foraging trips later in the season. Fledgling weights which are measured at ... the end of the breeding season were more strongly correlated with later foraging trips than with ... earlier trips. We interpret these results as an indication of variable resources between the guard and ...
Meeting Document : WG-EMM-05/21 : Author(s): L. Emmerson, C. Southwell and J. Clarke (Australia)
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Growth of mackerel icefish (Champsocephalus gunnari) and age-size composition of populations in subarea of South Georgia
were studied for different periods. The analysis of age composition of icefish in subarea 48.3 showed ... that the catches consisted mainly of individuals of 2-4 age groups, where more than 60% were ... represented by fish of two contiguous age groups. It was shown that in the 1980s during a number of years the ... class. These year classes appeared against a background of the intensive icefish fishery, and krill ...
Meeting Document : WG-EMM-03/60 : Author(s): K.V. Shust and E.N. Kuznetsova (Russia)
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Population and survival trends of wandering albatrosses (Diomedea exulans) breeding on Macquarie Island
declines and the Macquarie Island breeding populations is particularly vulnerable as it comprises fewer ... than 20 breeding pairs. Most breeding birds in this small population are banded and monitoring over the ... last 40 years has increasingly focused on their conservation status. Demographic trends of the ... extinction levels in the mid 1980’s. Underlying this decline was a significant decrease in juvenile survival ...
Meeting Document : WG-FSA-04/50 : Author(s): A. Terauds, R. Gales, R. Alderman and G.B. Baker (Australia)
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Biology, distribution and abundance of Antarctic krill (Euphausia superba) and by-catch
Abstract: During the First Indian Antarctic Krill Expedition (FIKEX), krill samples were ... Sampada for the study of biology, distribution and abundance. The samples were collected for a period of ... trawl. The length frequency analysis indicated a bimodel distribution with 19-20 mm and 53-54mm as the ... most abundant size in the fishing area 58. The average sex ratio of male and female Euphausia superba ...
Meeting Document : WG-EMM-98/37 : Author(s): A. Anrose, Z. Klusek, M.K.R. Nair and M. R. Bhoopendranath (India)
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Research plan for exploratory fishing for toothfish (Dissostichus spp.) in 2016/17 in Division 58.4.2 by France
. 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 ... to participate and coordinate the operations of their research efforts with other members in order to ...
Meeting Document : WG-SAM-16/02 : Author(s): Delegation of France
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ACOUSTIC IDENTIFICATION AND SIZE ESTIMATION OF EUPHAUSIIDS
Abstract: Fishery for krill is a major economical activity in the Antarctic Ocean. The increased ... Norwegian fishery inherently gives Norway a responsibility to contribute to the management of the marine ... resources in the southern ocean. During the International Polar Year 2008, RV “G.O. Sars” spent 3 months in ... the Antarctic Ocean to do investigations on euphausiids and other key components of the ecosystem ...
Meeting Document : SG-ASAM-09/08 : Author(s): R. Korneliussen and G. Skaret (Norway)
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Albatross populations: status and threats
Abstract: The population and conservation status of the world's albatrosses are reviewed ... within the framework of recent taxonomic changes. The latest estimates of size of breeding populations ... (pairs) at all known localities of each of the 24 proposed species are presented; population trends are ... assessed where sufficient data are available. Despite increased efforts in population monitoring, the ...
Meeting Document : WG-FSA-97/28 : Author(s): Gales, R.
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An integrated stock assessment of Patagonian toothfish (Dissostichus eleginoides) in CCAMLR Subarea 48.4
Abstract: This paper describes an update to the CASAL assessment of Patagonian toothfish (D ... . eleginoides) in Subarea 48.4. The assessment data time series are updated with the observations for the 2014 ... /15 season and several minor changes to the assessment are made: revision of tagging and recapture ... data for the full time series, a revised maturity ogive, and changes to the assumed tag growth ...
Meeting Document : WG-FSA-15/28 : Author(s): M. Soeffker, V. Laptikhovsky, T. Earl and C. Darby (United Kingdom)
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Integrated environment–prey–predator interactions off South Georgia: implications for management of fisheries
Abstract: The oceanography of the South Georgia region is principally that of the Southern Ocean ... rather than the South Atlantic. A combination of factors, including advection, local bathymetry and high ... local productivity, leads to relatively large concentrations of krill (Euphausia superba) in the region ... history of over-exploitation of the marine resources of the region has led to the development of ecosystem ...
Meeting Document : WG-EMM-01/27 : Author(s): I.L. Boyd (United Kingdom)
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Status Report – Macquarie Island Toothfish Fishery
Abstract: At the recent CCAMLR Symposium held in Chile in May 2015, an issue that was discussed ... fisheries outside the CCAMLR Area. In response to the discussion at the Symposium Australia has compiled a ... background paper outlining Australia’s management of the subantarctic Macquarie Island toothfish fishery ... . The Macquarie Island toothfish fishery is managed by Australia consistently with the Convention on the ...
Meeting Document : CCAMLR-XXXIV/BG/19 : Author(s): Delegation of Australia