Resultados de la búsqueda
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Foraging dynamics of macaroni penguins (Eudyptes chrysolophus) at South Georgia during brood-guard
predictable; whether animals from one colony forage in separate locations to those from nearby colonies; or ... animals from one colony tended to forage in locations separate to those used by animals from nearby ... front, not all birds in the region focused on such areas as some birds foraged in other oceanographic ...
Meeting Document : WG-EMM-06/P4 : Autor(es): P.N. Trathan, C. Green, J. Tanton, H. Peat, J. Poncet and A. Morton (United Kingdom)
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Krill and zooplankton populations monitored during AMLR 2004 surveys (Subarea 48.1) with respect to the long-term Elephant Island area datasets
individuals occurred in the Elephant Island Area during January, larval concentrations and maturity stage ... 2004 survey period was marked by a rapid and large-scale change in overall zooplankton abundance ... , composition and species abundance relations. This was similar to marked “transition periods” observed in 1994 ... . Qualitative differences between this and previous transition periods highlighted significant changes in ...
Meeting Document : WG-EMM-04/72 : Autor(es): V.J. Loeb (USA)
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Report on attendance at the Fourth Meeting of the Committee for Environmental Protection Under the Madrid Protocol
Abstract: This report outlines the participation of the SC-CAMLR Chair in the Fourth Meeting of ... CEP reported on progress to find appropriate criteria for and a mechanism to ensure consistency in ... procedures to avoid introduction of diseases in the Antarctic. It noted that the risk that human activities ... in Antarctica might introduce diseases was currently assessed to be very low; (3) The CCAMLR SC Chair ...
Meeting Document : CCAMLR-XX/BG/03 : Autor(es): Chair of the CCAMLR Scientific Committee
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PREDICTING THE VULNERABILITY OF BENTHIC, HABITAT-FORMING ORGANISMS TO DISTURBANCE USING LIFE-HISTORY CHARACTERISTICS
Abstract: Assessing the impacts of fishing on Vulnerable Marine Ecosystems (VMEs) in the Southern ... known to occur in the Southern Ocean. These data show significant relationships between growth, age with ... temperature and/or depth suggesting that these taxa will show low resilience to disturbance in the Southern ... dispersal capability. Recovery trajectories in the orders of many decades or centuries are predicted. Author ...
Meeting Document : WG-EMM-09/35 : Autor(es): K. Martin-Smith (Australia)
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On the intensity of sampling krill trawl catches
Abstract: This paper uses actual krill length frequency data in an attempt to address the problem ... from commercial catches. In addition, the possible effect of two other factors (within-trawl ... (e.g. length-with-age). At present, and in the interests of both statistical rigour and the efficiency ... differences in length should be considered along with the need to collect maturity stage information. * For ...
Meeting Document : WG-KRILL-90/27 : Autor(es): D.G.M. Miller (South Africa)
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Alternative assessment methods for toothfish at South Georgia
first is that the CPUE in the early 1990s did not decline as would be expected as the resource was ... would be predicted by the model. Thirdly, all models predict a continuing decline, not the increase in ... initial lack of early decline, the abrupt decline between 1995 and 1996 and the subsequent increase in ... biomass in 2002 was between 78,000 and 114,000 t. Author(s): Kirkwood, G., Payne, A., Agnew, D. Title ...
Meeting Document : WG-FSA-SAM-04/17 : Autor(es): Kirkwood, G., Payne, A., Agnew, D.
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Considerations on the design and evaluation of surveys for estimating recruitment of Patagonian toothfish (Dissostichus eleginoides) with preliminary outcomes for the Heard Island plateau region (Division 58.5.2)
levels of confidence in the estimates of abundance for all but the youngest year class. It is recommended ... management procedure for D.eleginoides in Division 58.5.2 in order to determine the potential implications ... in the context of the elements of the current monitoring and assessment methods is outlined. Author(s ...
Meeting Document : WG-FSA-SAM-04/19 : Autor(es): Candy, S., Constable, A.J., Davies, C.R.
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Testing early life connectivity using otolith chemistry and particle-tracking simulations
compared the chemistry with simulated particle transport using a circulation model. Material laid down in ... nests, are transported in the southern ACC, missing South Georgia but following trajectories along the ... stages in the water column substantially influence the direction and extent of connectivity. Used in ...
Meeting Document : WG-FSA-10/P02 : Autor(es): J. Ashford, M. La Mesa, B.A. Fach, C. Jones and I. Everson
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A comparison of gear selectivity among three fishing gears for Antarctic krill with notes on the demographic patterns and productivity of Antarctic krill during summer 2014
summer 2014 were about 42 mm in length (3yrs old), and few small (<25mm) krill (1 year old) were ... showed that krill collected in Bransfield Strait and Elephant Island areas of the South Shetlands in ... captured. The majority of krill were mature and in spawning condition. Author(s): C. Reiss (USA) and M ...
Meeting Document : WG-EMM-14/37 : Autor(es): C. Reiss (USA) and M. Espino Sanchez (Peru)
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Informe de avance sobre los fundamentos científicos para el establecimiento de un AMP de la CCRVMA en el Mar Weddell (Antártida)
document SC-CAMLR-XXXIII/BG/02. The document (in its final version) provides the scientific basis for the ... evaluation of marine protected areas (MPAs) in the Weddell Sea. At present the background document presents a ... scientific basis in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) Approval ...
Meeting Document : SC-CAMLR-XXXIII/08 : Autor(es): Delegation of Germany