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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Length-age composition of icefish (Champsocephalus gunnari, perciformes, notothenioidei, Channichthyidae) from different locations of South Georgia Island subarea
Abstract: Biostatistic data obtained by Soviet research and commercial vessels in 1970 to 1991 ... . Larger number of "mature" fish in the west is related to migration from eastern area of ... could rapidly set up and restore high abundance in Subarea just owing to that character in conjunction ...
Meeting Document : WG-FSA-00/32 : Autor(es): Zh.A. Frolkina (Russia)
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DEMOGRAPHIC PATTERNS OF ANTARCTIC KRILL (EUPHAUSIA SUPERBA) EXPLAIN THE SPATIAL SEGREGATION OF BALEEN WHALES (MYSTICETI) AROUND THE SOUTH SHETLAND ISLANDS, ANTARCTICA
Peninsula) and test whether whales exhibit interspecific differences in their exploitation of krill ... sampled over five years resulting in the most comprehensive linked whale-krill study in the SW Atlantic ... (Megaptera novaengliae) show strong spatial associations with small juvenile krill in Bransfield Strait ...
Meeting Document : WG-EMM-09/33 : Autor(es): J.A. Santora, C.S. Reiss, V.J. Loeb and R.R. Veit (USA)
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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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BEACH DEBRIS SURVEY – MAIN BAY, BIRD ISLAND, SOUTH GEORGIA 2006/2007
collected. This represents a reduction by 33% on the 544 items recorded in 2005/06 and a decrease in mass of ... years in which no fisheries related debris was observed, one nylon fishing line and one snood were found ... on the survey beach during the summer, plus another snood in winter (August). Both snoods were ...
Meeting Document : WG-FSA-08/24 : Autor(es): F. Le Bouard (UK)
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Analysis of marine debris found at Cape Shirreff, Livingston Island, South Shetlands, Antarctica
Abstract: In the course of demographic studies of Arctocephalus gazella conducted at Cape ... beaches was collected and transported to Santiago for analysis. The analysis of 1 346 objects collected in ... that this debris comes from different fishing areas (FAO Areas 48, 58 and 88), including areas in the ... South Atlantic, and it is estimated that a considerable amount of marine debris remains adrift in the ...
Meeting Document : SC-CAMLR-XI/BG/07 : Autor(es): Delegation of Chile
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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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Antarctic ecosystem management
in accordance with the objectives and requirements of Article II of the Convention for the ... demographic status in sub-systems, and (c) conducting perturbation experiments in certain of these sub-systems ... be employed to monitor these stocks. In particular, early attempts should be made to model fishing ...
Meeting Document : WG-DCH-84/03 : Autor(es): D.S. Butterworth (South Africa)