Resultados de la búsqueda
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An ecological risk assessment of current conservation measures for krill fishing in East Antarctica (CCAMLR Divisions 58.4.1 and 58.4.2)
involved in any redevelopment of a commercial krill (Euphausia superba) fishery in CCAMLR Divisions 58.4.1 ... and 58.4.2, off the coast of East Antarctica, and to evaluate whether the current management procedure ... has a high likelihood of achieving CCAMLR’s objectives in this region. This paper outlines a ... relatively simple derivation of the risk assessment framework to assess whether the current conservation ...
Meeting Document : WG-EMM-18/37 : Autor(es): N. Kelly, L. Emmerson, S. Kawaguchi, C. Southwell and D. Welsford
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Progress report on the joint research for Dissostichus spp. in Subarea 88.3 by the Republic of Korea and New Zealand in 2018/19
–883_P9. Due to extreme ice conditions covering the southern part of 88.3, Janas (NZL) was not able to ... conduct its part of the survey. The total catch of D. mawsoni was 63,840 kg comprising 2,526 individuals ... similar in research blocks 883_1, 883_3 and 883_4 with the range of 0.1110–0.1571, but much lower in ... research block 883_5, 883_P8, 883_P9 with the range of 0–0.0185. Tagging rate and tag overlap in Subarea ...
Meeting Document : WG-SAM-2019/11 : Autor(es): Delegations of the Republic of Korea and New Zealand
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Preliminary tag-recapture based population assessment of Antarctic toothfish (Dissostichus mawsoni) in Subarea 48.4
Abstract: The biomass of Antarctic toothfish (D. mawsoni) in CCAMLR subarea 48.4 is estimated ... from tagging returns to average 1109 tonnes since 2010, with a five-year (2015-2019) average biomass of ... 1187 tonnes. Applying the CCAMLR agreed precautionary assumption of average biomass across the time ... series and harvest rate of γ = 0.038, implies a 2019/20 yield of 45 tonnes using the 5-year average ...
Meeting Document : WG-FSA-2019/27 : Autor(es): T. Earl and A. Riley
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Preliminary results of the E.L. Holmberg 1994 cruise to Subareas 48.3 and 48.2
Abstract: A total of 63 hauls and 10 oceanographical legs were obtained. Of these, 44 hauls taken ... in Subarea 48.3 on a random stratified des n are used to estimate the standing stocks of the main ... surface water temperature of about-0.5 to-1.0 in a period of approximately 20 days was detected around ... South Georgia Islands. In the Scotia Sea the boundary of the Weddell-Scotia confluence was found within ...
Meeting Document : WG-FSA-94/29 : Autor(es): E.R. Marschoff, B. Prenski, B. Gonzalez, C. Remaggi and C. Balestrini (Argentina)
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Recent British Antarctic Survey publications relevant to the agenda of WG-EMM 2013
related to feedback management: “review of spatial and temporal structure in the ecosystem in which the ... current Area 48 fishery operates” and “development of agreed decision-making mechanisms for the candidate ... have been studying the structure and operation of this ecosystem for several decades. Some of this work ... has focused on the management and monitoring of this ecosystem. These programmes have therefore ...
Meeting Document : WG-EMM-13/21 : Autor(es): Delegation of the United Kingdom
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A summary of scientific observer deployments and data collection in the krill fishery during the 2011, 2012 and 2013 seasons
Abstract: The level of observer coverage in the krill fishery and the scientific sampling ... undertaken are summarised. During 2012 all 12 of the vessels that participated in the krill fishery carried ... observers for some or all of their fishing operations. From a total of 860 vessel days of fishing in 2012 ... observations of krill length measurements were collected on 375 ‘days’ and fish bycatch was measured on 554 ...
Meeting Document : WG-EMM-13/38 : Autor(es): CCAMLR Secretariat
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By-catch of morid cods (Gadiformes: Moridae) in the CCAMLR area and adjacent areas during commercial fishing and research surveys
distributions, size composition and abundance of morids in the CCAMLR and adjacent areas. The main goal is to ... detection of areas and depths of their aggregations, by reveal of presence/absence of spatial and vertical ... migrations and by study of their seasonal and multi-annual variations. Results will be used for preparation ... of conservation measures allowing for preservation these vulnerable by-catch species from irreparable ...
Meeting Document : WG-FSA-16/12 : Autor(es): A. Orlov and I. Gordeev
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Summary of monitoring and research effort and preliminary results from the 2019 Scotia Sea krill monitoring survey with FV Cabo de Hornos
Association of Responsible Harvesting Companies (ARK) and manned with personnel from the Institute of Marine ... Research to carry out a significant part of the 2019 Scotia Sea large scale krill monitoring. All sections ... of the large scale survey area were visited, and about 80 % of the coverage planned for the vessel ... . In addition, deployment of four acoustic moorings and 9 replicate measurements on board of krill ...
Meeting Document : WG-EMM-2019/46 : Autor(es): G. Skaret, M. Martinussen, G. McCallum, R. Pedersen, J. Rønning, A.L. Donoso, O.A. Bergstad and B.A. Krafft
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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 ... till April 2008. The paper has analyzed the distribution of commercial aggregations of krill, their ... fishable biomass in the different periods of observations, krill biological state, hydro meteorological and ... ice conditions. Results of fisheries are given. Some ideas about allocation of limits of krill catch ...
Meeting Document : WG-EMM-08/24 : Autor(es): V.A. Bibik and N.N. Zhuk (Ukraine)
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Use of satellite transponders to assist in fisheries management - the Australian experience
is described. The implications of this experience for CCAMLR are outlined and issues that have ... occurred in the development of vessel monitoring systems are described. These issues include selection of ... an appropriate transponder system, security of data, use of the information and equipment ... installation and maintenance. The major conclusion of the paper is that transponders have the potential to ...
Meeting Document : CCAMLR-XIII/BG/09 : Autor(es): Delegation of Australia