Resultados de la búsqueda
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CPUEs and body length of Antarctic krill density during the 1997/98 season in Area 48
range was observed. Variations of CPUEs were dramatic for some vessels, but there was an increasing ... Shetland Islands and the South Orkneys Islands, the size range was from 30 to 50mm, and their modal size ... trend across time. The main reason for the variations of the CPUE among the vessels were thought to be ...
Meeting Document : WG-EMM-99/48 : Autor(es): S. Kawaguchi (Japan)
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STATE OF ANTARCTIC KRILL (EUPHASIA SUPERBA) FISHERIES IN STATISTICAL SUBAREA 48.2 IN 2008
Abstract: The article is based on the data sampled by the authors in the 29th cruise of f/v ...
Meeting Document : WG-EMM-08/24 : Autor(es): V.A. Bibik and N.N. Zhuk (Ukraine)
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Informe del Grupo de Trabajo de Seguimiento y Ordenación del Ecosistema
Title: Report of the Working Group on Ecosystem Monitoring and Management (Cambridge, United ... Kingdom, 9 to 13 July 2018) Approval: Approved Secretariat Workflow Status: Content Approved Document ... Release Consent: No Delegation responsibility for releasing documents: CCAMLR Secretariat ...
Meeting Document : SC-CAMLR-XXXVII/03
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Increasing abundance of Type A killer whales (Orcinus orca) in the coastal waters around the Antarctic Peninsula
increasing in recent years, including observations of predation on a number of whale and pinniped species ... and we need to understand the impact on marine ecosystems. A diverse community of killer whales ... data on their abundance or trends. Most research to date has focused on the pagophilic Type B killer ... . Here we integrate satellite telemetry (n = 10 tags) and photo-identifications (13 years, 15,828 ...
Meeting Document : WG-EMM-17/49 : Autor(es): H. Fearnbach, J.W. Durban, D.K. Ellifrit and R.L. Pitman
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SKATE DIET AT SOUTH GEORGIA INDICATES BENTHIC HABIT OF KRILL
South Georgia, Southern Ocean. The diet of A. georgiana varied with skate size and between years ... . Preferred prey included fish (particularly for larger individuals) and Antarctic krill, as well as amphipods ... , polychaetes and other benthic fauna. The Antarctic skate appears to be an opportunistic predator and the clear ...
Meeting Document : WG-FSA-09/15 : Autor(es): C.E. Main and M.A. Collins (United Kingdom)
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Age estimation and maturity of the ridge-scaled macrourid (Macrourus whitsoni) from the Ross Sea
results finding no significant differences between the years. Von Bertalanffy parameters for the pooled ... –at–maturity (10.6 years, 13.6 years) are presented for males and females respectively, using a ... purpose of analyzing the otoliths to generate more accurate age estimates for this species. Intensive ... previous work on this species. Von Bertalanffy growth curves were generated and compared to previous ...
Meeting Document : WG-FSA-05/20 : Autor(es): P.M. Marriott, M.J. Manning and P.L. Horn (New Zealand)
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Net sample validation of acoustic techniques used to identify and size Antarctic krill
collected with an RMT8. Around 80 % of the targets thought to be krill on the basis of their appearance on ... species groups has been attempted using differences in echo strength at two acoustic frequencies (ΔMVBS ... echo-charts were also identified as krill on the basis of their difference in backscatter at 38 and 120 ...
Meeting Document : WG-EMM-97/46 : Autor(es): Watkins, J.L., Brierley, A.S.
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A way forward in the multivariate analysis of Antarctic predator, prey and environment indices: predator-environment interactions at Seal Island
Abstract: The CCAMLR Ecosystem Monitoring Programme has two aims: to detect changes in critical ... , which effectively predicts chinstrap success given sea-ice data with an R2 of 0.914. This model is then ... used to propose a method of distinguishing between effects of environmental variation and harvesting on ...
Meeting Document : WG-EMM-96/27 : Autor(es): Agnew, D.J., Watters, G., Hewitt, R.
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Anthropogenic feather soiling, marine debris and fishing gear associated with seabirds at Bird Island, South Georgia, 1999/2000
. Quantities of fishing gear remained within the levels of previous years for all other species, except black ... , an unprecedented quantity of hooks (both with and without long-line attached) and monofilament long ... which were plastics) showed 75% and 93% increases from the previous maxima for wandering albatross and ... Approved Document Release Consent: No Delegation responsibility for releasing documents: CCAMLR ...
Meeting Document : SC-CAMLR-XIX/BG/04 : Autor(es): Delegation of the United Kingdom
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Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic peninsula region
0.88 to 0.94 for different years. The exchange rate of water masses and krill biomass within one summer ... Abstract: A net sampling survey for krill was carried out by RV ‘Meteor’ along the Antarctic ... Peninsula from 26 December 1989 to 14 January 1990. Results were compared with data of an identical survey ...
Meeting Document : WG-KRILL-91/15 : Autor(es): Delegation of Germany