Resultados de la búsqueda
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Dietary segregation of krill-eating South Georgia seabirds
Abstract: The diets of six of the main seabird species (two petrels, two albatrosses, two ... . The size of the krill taken was similar between seabird species, although there were small but ... significant differences between penguins and the other species. Sex and reproductive status of krill. however ... , was different between all seabird species, reflecting some combination of differences in foraging ...
Meeting Document : WG-EMM-97/15 : Autor(es): Prince, P.A., Croxall, J.P., Reid, K.
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Revised impact assessment framework to estimate the cumulative footprint and impact on VME taxa of New Zealand bottom longline fisheries in the Ross Sea region
likely impacts of bottom longline fishing on vulnerable benthic invertebrate taxa, termed Vulnerable ... Marine Ecosystems (VMEs), consistent with the requirements of Conservation Measure 22-06 (Bottom fishing ... routine application by Members submitting notifications of their intent to participate in new or ... estimate the cumulative historical bottom fishing footprint of all fisheries in the CCAMLR area. The ...
Meeting Document : WG-SAM-10/20 : Autor(es): B.R. Sharp (New Zealand)
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Review of activities in monitoring marine debris in the CAMLR Convention Area
-fishing items such as plastics, packaging materials and wood remain the most common type of debris items ... originated in 2002 there have been no closed bands found at any of the three sites. The amount of debris in ... colonies of grey-headed albatrosses, wandering albatrosses and black-browed albatrosses at Bird Island ... decreased significantly since 2011, with the major category of items found being plastics. The amount of ...
Meeting Document : WG-FSA-12/64 : Autor(es): Secretariat
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Revised assessment models for Patagonian toothfish in research block C of Division 58.4.4, Ob and Lena Banks
Abstract: I made six sensitive runs of CASAL models (LENGTH/AGE_IUU_MODEL) for stock status ... assessments of Dissostichus eleginoides in research block C in Division 58.4.4 b following the recommendation ... during the latest WG-SAM meeting. The six models with three kinds of assumptions on IUU catch were ... arranged referring to WG-SAM-14/18 as follows: 1) catch at length/age models on the assumption of no IUU ...
Meeting Document : WG-FSA-14/23 : Autor(es): K. Taki (Japan)
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Proposal for continuation of Australia’s research plan for exploratory fishing for toothfish (Dissostichus spp.) in East Antarctica (Divisions 58.4.1 and 58.4.2)
rules remain to be determined for these Divisions. The 2015/16 season was the first of a three-year ... the original research plan set out in WG-FSA-15/47 Rev. 1, and propose continuation of this research ... , and inform the necessary considerations of spatial structure, biomass and connectivity of toothfish ... will contribute to models of toothfish habitat use. These models will inform spatial management ...
Meeting Document : WG-SAM-16/09 : Autor(es): Delegation of Australia
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Linking population trends of Antarctic shag (Phalacrocorax bransfieldensis) and fish at Nelson Island, South Shetland Islands (Antarctica)
in the number of breeding pairs of Antarctic shag Phalacrocorax bransfieldensis in two colonies on ... Nelson Island, South Shetland Islands, southern Atlantic sector of Antarctica, which was observed during ... the 1990s up to the mid 2000s over an overall monitoring period of over two decades. It addresses ... correspondence between long-term population trends of inshore demersal fish and inshore-feeding Antarctic shags ...
Meeting Document : WG-EMM-16/P09 : Autor(es): R. Casaux and E. Barrera-Oro
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Long-distance movements of Patagonian (Dissostichus eleginoides) and Antarctic toothfish (D. mawsoni) from fishery-based mark-recapture data
found closer to the Antarctic continental shelf and generally south of the Polar Frontal Zone. Data from ... existing tagging studies indicate that both species are generally non-migratory with the majority of ... and released of which 10 511 (9.4%) have been recaptured; for Antarctic toothfish there have been 69 ... 067 fish tagged and released of which 2 072 (3.0%) have been recaptured; the median distance between ...
Meeting Document : WG-FSA-17/06 : Autor(es): CCAMLR Secretariat
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A representative system of CCAMLR MPAs: taking stock and moving forward
establishing a representative system of MPAs in the Convention Area. This paper provides an overview of the ... Abstract: The adoption of the Ross Sea MPA in 2016 marked "the end of the beginning" of ... progress made by CCAMLR toward establishing a representative system of MPAs in the Southern Ocean ... prioritises meeting the ecosystem protection, scientific and climate change objectives of CM 91-04, and also ...
Meeting Document : CCAMLR-XXXVI/BG/25 Rev. 2 : Autor(es): Submitted by ASOC
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Line weights of constant mass (and sink rates) for Spanish-rig Patagonian toothfish longline vessels
collections of rocks enclosed in netting bags. The netting bags abrade on the seabed, rocks are lost and ... use of torpedo-shaped steel weights. Steel weights are smaller, lighter for equivalent mass, more ... chartered Spanish-rig longline vessel to determine the statistical relationship in sink rates of longlines ... equipped with bags of rocks (4 kg, 6 kg and 8 kg) and lines with steel weights of equivalent masses. The ...
Meeting Document : WG-FSA-07/15 : Autor(es): G. Robertson (Australia), C.A. Moreno, E. Gutiérrez (Chile), S.G. Candy (Australia), E.F. Melvin (USA) and J.P. Seco Pon (Argentina)
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Regionalisation of the Southern Ocean: a statistical framework
. In this paper, we demonstrate a method developed for a regionalisation of the southern Indian Ocean ... develop a bioregionalisation of its Convention Area. This paper describes the steps and issues in ... regions and/or ecoregions) in order to better understand the relative importance of ecosystem processes or ... for the purposes of managing human activities in relatively ecologically discrete areas ...
Meeting Document : WG-EMM-06/37 : Autor(es): B. Raymond and A. Constable (Australia)