Resultados de la búsqueda
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VARIABILITY IN KRILL BIOMASS LINKS HARVESTING AND CLIMATE WARMING TO PENGUIN POPULATION CHANGES IN ANTARCTICA
areas on the planet, with 5–6 °C increases in mean winter air temperatures and associated decreases in ... region, the “sea-ice hypothesis,” proposes that reductions in winter sea ice have led directly to ... of an alternative, more robust hypothesis that attributes both increases and decreases in penguin ... penguin abundance with trends in krill biomass explains why populations of Adélie and chinstrap penguins ...
Meeting Document : WG-EMM-11/P1 : Autor(es): W.Z. Trivelpiece, J.T. Hinke, A.K. Miller, C.S. Reiss, S.G. Trivelpiece and G.M. Watters
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Monitoring krill population variability using seabirds and seals at South Georgia – new samplers provide new insights
associated with periods of low krill biomass, has shown that the population dynamics of krill is a major ... responses to changes in krill abundance but also provide critical dietary data with which to elucidate the ... information on the key life-history parameters of prey species that are fundamental to reducing uncertainty in ...
Meeting Document : WG-EMM-04/63 : Autor(es): K. Reid, E.J. Murphy, J.P. Croxall and P.N. Trathan (United Kingdom)
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CCAMLR Science
Conservation of Antarctic Marine Living Resources (CCAMLR). It contains articles dealing with the science that ... established by the CCAMLR Scientific Committee to bring the high quality and diversity of science that ... those with a particular interest in living resources management and Antarctic matters. Papers published ...
Page : Site Section: Publications
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Research plan for the exploratory longline fishery for Dissostichus spp. in 2014/15 in Division 58.4.3a
coming years in order to achieve a robust stock assessment that would provide advice on a catch limit ... according to CCAMLR decision rules. This paper aims to present a research plan for 2014/2015 that takes into ... model structure is improved with sub-fisheries “deep” and “shallow”. Three scenarios are tested. B 0 is ... estimated at around 400 tonnes and B 2013 /B 0 at around 50%. With Petersen’s method, geometric mean stock ...
Meeting Document : WG-SAM-14/17 : Autor(es): Delegation of France
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2015-16 Research plan in Division 58.4.4 for Dissostichus spp.
, Shinsei maru No. 3, had conducted research fishing in accordance with a research plan submitted under CM ... its intention to achieve a robust stock assessment that would provide advice on a catch limit ... according to CCAMLR decision rules. This paper aims to present a research plan for 2015/2016 that takes into ... estimated around 700 tonnes. CASAL model is updated with 2014 data but in the absence of an assessment using ...
Meeting Document : WG-SAM-15/52 : Autor(es): Delegation of France
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Research plan for the exploratory longline fishery for Dissostichus spp. in 2015/16 in Division 58.4.4
, Shinsei maru No. 3, had conducted research fishing in accordance with a research plan submitted under CM ... its intention to achieve a robust stock assessment that would provide advice on a catch limit ... according to CCAMLR decision rules. This paper aims to present a research plan for 2015/2016 that takes into ... estimated around 700 tonnes. CASAL model is updated with 2014 data but in the absence of an assessment using ...
Meeting Document : WG-FSA-15/67 : Autor(es): A. Rélot-Stirnemann (France)
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Opening Speech by the Argentine Minister of Foreign Affairs and Worship, Vice-Admiral Oscar A Montes
·activities in Antarctica but, as stated in the t ext that is to be the centre of our debate, to take care ... SESSION It is sufficient to look at a map of the world to realize that t he A~gentine Republic i s a ... geopolitical reasons t hat cannot be gainsaid. Its continental territory stretches decidedly towar ds t he ... is not strange that my country, since the dawn of its independenc~- has been concerned with ...
Document : Site Section: The Organisation
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Histological study on the ovarian development of mackerel icefish (Champsocephalus gunnari) from the South Georgia Islands
individuals (45%) was found, together with a relatively low occurrence of females that spawned or were in ... using microscopes (microscopical scale) was elaborated and adapted to correspond with the macroscopic ... (i.e., unaided visual observation) scale commonly used. The first five stages correspond with those ... that the eggs of the species could be demersal. This was also reported for other channichthyids ... indicates that no immature elements are incorporated into the cohort of yolky oocytes that will be ... , these data should be treated with caution because of the relatively low number of individuals in the ... correspond with the macroscopic (i.e., unaided visual observation) scale commonly used. The first five ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 35–49 : Autor(es): Macchi, G.J. and E.R. Barrera-Oro
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Short note: report of bacterial infectious Antarctic krill (Euphausia superba) in South Georgia
observation onboard the F/V Chiyo Maru No.5, from 08/08/03 to 17/09/03 in South Georgia region. Author(s): T ...
Meeting Document : WG-EMM-04/43 : Autor(es): T. Hayashi and M. Naganobu (Japan)
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Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.1
recommended that SSRUs with a yield of less than 20 tonnes be closed to fishing. 23. The Working Group ... recommended that tagging be continued at the current rate in these divisions. 18. An updated assessment of ... should not be used for biomass estimation. He also considered that catches of immature (1–4 years old ... subareas. This is inconsistent with the summary of WG-FSA-08/43. 22. The Working Group considered that ...
Document : Site Section: Publications