Resultados de la búsqueda
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Krill (Euphausia superba) distribution contracts southward during rapid regional warming
juvenile krill. We found evidence for environmental controls on recruitment, including a reduced density of ... Abstract: High-latitude ecosystems are among the fastest warming on the planet. Polar species may ... Euphausia superba (hereafter, ‘krill’) has contracted southward over the past 90 years. Near their northern ... , with associated nonlinear adjustments in the roles of keystone species, poses challenges for the ...
Meeting Document : WG-EMM-2019/P02 : Autor(es): A. Atkinson, S.L. Hill, E.A. Pakhomov, V. Siegel, C.S. Reiss, V.J. Loeb, D.K. Steinberg, K. Schmidt, G.A. Tarling, L. Gerrish and S.F. Sailley
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SOUTHERN OCEAN SENTINEL: REPORT OF THE FIRST INTERNATIONAL WORKSHOP IN 2009
to WG-EMM for consideration along with an overview, the program and abstracts of the keynote ... . This process will fill an important gap in current discussions on climate change impacts on marine ... implementing an early-warning system to identify imminent climate change impacts on global ecosystem services ... Abstract: The first international workshop on implementing a Southern Ocean Sentinel program was ...
Meeting Document : WG-EMM-09/37 : Autor(es): A.J. Constable
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Age Determination of Notothenia gibberifrons from the South Shetland Islands, Antarctic Peninsula Subarea (Subarea 48.1)
Abstract: Age determination was carried out on Notothenia gibberifrons specimens collected at two ... cross sections proved to be the most reliable method. Mean length data at age presented here for Low I ... lower than the ones reported previously for specimens of South Bay, Palmer Archipelago. Possible reasons ... for these differences are discussed. It is expected that the Otoliths/Scales/Bones Exchange System ...
Meeting Document : WG-FSA-88/15 : Autor(es): E. Barrera-Oro (Argentina)
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Pilot test of techniques to mitigate seabird interactions with catcher processor vessels in the Bering Sea pollock trawl fishery: final report
streamer lines, the snatch block, and the warp boom on two factory trawlers retrofitted to allow for the ... require refinement for practical and safe application. Deterrents applied directly on the third wire were ... techniques for future testing that are likely to reduce seabird interactions with catcher processor trawl ... vessels operating the Bering Sea fishery for pollock (Theragra chalcogramma) and that are practical and ...
Meeting Document : WG-FSA-05/37 : Autor(es): E.F. Melvin, K.S. Dietrich and T. Thomas (USA)
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Proposed CCAMLR educational package
Abstract: This document presents a proposal for producing an educational package, for students ... address requests received by the Secretariat from both Members and the general public for information on a ... comprehensive publication about the organisation for general distribution. The package would be presented on the ... aged approximately 10 to 16, focusing on CCAMLR and its role in the Antarctic. This package would ...
Meeting Document : CCAMLR-XXII/11 : Autor(es): Secretariat
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Joint SC-CAMLR and SC-IWC Workshop, its format and draft Terms of Reference
formed. WG-EMM 2015 agreed on the benefit of dividing the workshop into two; the first to review data ... Abstract: A proposal for a Joint SC-CCAMLR IWC Workshop to develop multi-species models of the ... Antarctic marine ecosystem was proposed at the SC-CCAMLR 2014, and a steering group for the Workshop was ... monitoring. The steering group was tasked to develop a draft terms of reference for the workshops to be ...
Meeting Document : SC-CAMLR-XXXIV/BG/33 : Autor(es): Co-conveners of the Joint SC-CAMLR and SC-IWC Workshop
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Indices of prey availability near the Seal Island CEMP site: 1990 to 1996
prey density, depth, distance from Seal Island, and persistence over time. Acoustic data from two AMLR ... surveys each year were subsampled to include the foraging range of predators breeding at Seal Island ... relative biomass of juvenile krill near Seal Island during the first survey of each year as compared to the ... biomass of post-spawning adults near Seal Island during the second survey of each year. It is hoped that ... (Figures 3 and 4). Two surveys were selected for each year, details of which are listed in Table 1. For ... prey availability relative to kriil predators greeding on Seal Island. shipboard computer for ... Seal Island, and persistence over time. Acoustic data from two AMLR surveys each year were subsampled ... for each year. Designation 3 and 4 D D D D D D Dates 6 - 11 Jan, 21 - 26 Jan 21 - 31 ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 37–45 : Autor(es): Hewitt, R.P., G. Watters and D.A. Demer
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KRILL FISHERY BEHAVIOUR IN THE 1999/2000 SEASON
Abstract: This document provides information on krill fishery behaviour and fishing ground ... compared to other fishing seasons to look for preferred targets. The 1999/2000 fishing season was the most ... mobile season in the last 10 years. Through the analysis of relation between catch level and vessel ...
Meeting Document : WG-EMM-08/40 : Autor(es): S. Kawaguchi (Australia)
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Coordinating approaches to incidental mortality arising from fisheries
on a program of work. Such an approach could provide the basis for a comprehensive and integrated ... fisheries management. The Commission for the Conservation of Antarctic Marine Living Resources (the ... Commission) has adopted an ecosystem approach to managing fisheries which takes into account the direct and ... indirect impacts of harvesting on non-target taxa. There are many approaches to reduce by-catch. Current ...
Meeting Document : WG-FSA-03/71 : Autor(es): A.J. Constable, C. Davies, A.T. Williamson, R. Williams and E. van Wijk (Australia)
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Fishes in pelagic catches in the vicinity of the South Shetland Island during the 6th Antarctic expedition of rv Kaiyo Maru, 1990/1991
two adults (one specimen of Gobionotothen gibberifrons and one channichthyid fish- specimen lost on ... Abstract: During the 6th Antarctic Expedition of R/V Kaiyo Maru (1990/1991), observations on the ... occurrence and abundance of fishes in a total of 102 pelagic hauls for the Antarctic krill were made. Of the ... caught were less than 1000m deep. On the contrary, bathypelagic groups of the Myctophidae and ...
Meeting Document : WG-KRILL-93/50 : Autor(es): T. Iwami, T. Ichii, H. Ishii and M. Naganobu (Japan)