Resultados de la búsqueda
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Joint CEP/SC-CAMLR workshop (2016) on climate change and monitoring
CEP and SC-CAMLR. At its meeting in 2015, the CEP discussed the workshop Terms of Reference, Steering ... hold a second Joint CEP/SC-CAMLR Workshop in 2016. The agreed general scope of the workshop is to ... identify the effects of climate change that are considered most likely to impact the conservation of the ... Antarctic, and to identify existing and potential sources of research and monitoring data relevant to the ...
Meeting Document : WG-EMM-15/18 : Autor(es): S. Grant (UK) and P. Penhale (USA)
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A PROPOSED MANAGEMENT PROCEDURE FOR THE TOOTHFISH (Dissostichus eleginoides) RESOURCE IN THE PRINCE EDWARD ISLANDS VICINITY
steepness h is low. These tests also indicate that monitoring of future catch-at-length information would be ... are developed which take account of the different selectivities of past longline and pot fisheries ... . These models are used for trials of a candidate Management Procedure (MP) which could provide future TAC ... length of the catches made. A specific MP, with its associated control parameter values, is proposed for ...
Meeting Document : WG-SAM-08/11 : Autor(es): A. Brandão and D.S. Butterworth (South Africa)
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Benthos by-catch study and benthic cameras deployment during the Poker 4 fish biomass survey for habitat characterisation in the Kerguelen Plateau
Abstract: The Muséum national d’Histoire naturelle presented at the 2017 EMM Working Group of the ... CCAMLR a new data acquisition protocol for benthos bycatch in the French fisheries of the Southern Ocean ... protocol is based on the sampling of specimens and the weighing and photographic sampling of the whole ... developed by the MNHN, allowing to increase by 86.3 % the quantity of occurrences of organisms within the ...
Meeting Document : WG-EMM-18/20 : Autor(es): A. Martin, J. Blettery, N. Améziane and M. Eléaume
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Aerobic dive limit: how often does it occur in nature?
this study was to estimate the aerobic dive limit from measurements of body oxygen stores and at sea ... Abstract: Diving animals offer a unique opportunity to study the importance of physiological ... constraint in their everyday behaviors. An important component of the physiological capability of any diving ... animal is it’s aerobic dive limit (ADL). The ADL has only been measured in a few species. The goal of ...
Meeting Document : WG-EMM-00/48 : Autor(es): D.P. Costa, N.J. Gales and M.E. Goebel (USA)
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THE RESEARCH PROJECT TO DIGITIZE HISTORICAL SOVIET KRILL FISHING EXPEDITION DATA
commercial expedition’s data has been started in Ukraine at the Southern Research Institute of Marine ... Fisheries and Oceanography. This valuable set of krill data was collected during Soviet Union krill-fishing ... expeditions in Southern Ocean between the years of 1972-1992. The main purpose of these expeditions was to ... collect data and samples and to create an estimation of the commercial exploitation of the Antarctic krill ...
Meeting Document : WG-EMM-09/30 : Autor(es): L. Pshenichnov and G. Milinevsky (Ukraine)
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ANTARCTIC-WIDE GEOMORPHOLOGY AS AN AID TO HABITAT MAPPING AND LOCATING VULNERABLE MARINE ECOSYSTEMS
features of the Antarctic continental margin and adjoining ocean basins at scales of 1:1-5 million. These ... shown to provide a guide to the distribution in the area of the shelf benthic communities recognised by ...
Meeting Document : WS-VME-09/10 : Autor(es): Romeyn, R., O’Brien, P.E., Post, A.L.
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Sampling toothfish from longlines with unequal probabilities
number of baskets taken while hauling a line, observers can use this to establish a point at which to ... Abstract: To obtain a representative sample of the catch taken by toothfish longliners, CCAMLR ... observers are recommended to sample a quota of the first 30 fish that are caught during a sampling session ... unequal probabilities which, if unaccounted for, can lead to serious biases in estimates of population ...
Meeting Document : WG-FSA-03/85 : Autor(es): J.R. Ashford (USA)
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A by-catch guide for commonly caught species in CCAMLR longline and trawl fisheries
Abstract: As requested by members at WG-FSA 15, the Secretariat has collated existing materials ... fisheries. The guide consists of comprehensive descriptions for 21 species, and two additional appendices ... reviewing the draft version of this guide. Additionally, images in this guide have been provided for the ...
Meeting Document : WG-FSA-16/17 : Autor(es): CCAMLR Secretariat
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Reducing seabird by-catch with an underwater longline setting funnel
Abstract: We tested the efficacy of a Mustad underwater setting funnel to reduce seabird bycatch ... deploys the longline 1-2 m beneath the sea surface, was used on 52% of 1714 sets (total effort 5.12 ... ), and was dominated by White-chinned Petrels Procellaria aequinoctialis (88% of the 114 birds killed ... ). Bycatch rate was three times lower when the funnel was used both by day and at night. Daytime catch rates ...
Meeting Document : WG-FSA-00/29 : Autor(es): P. Ryan and B. Watkins (South Africa)
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Local biomass estimates for Antarctic (Dissostichus mawsoni) and Patagonian (Dissostichus eleginoides) toothfish in research blocks in Subareas 48.6 and 58.4
research nlocks in Subareas 48.6 and 58.4 using the methods agreed to at WG-SAM-16. The methods used to ... generate the biomass estimates are fully documented from the provison of data extracts (with associated ...
Meeting Document : WG-FSA-16/27 : Autor(es): CCAMLR Secretariat