Résultats de la recherche
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New Zealand submission for the trial of the CCAMLR observer training program accreditation scheme
Abstract: In 2011, the Scientific Committee endorsed the procedure for training and accreditation ... presented in SC-CAMLR-XXX/08, and invited Members to participate in a trial of the initial review and ... technical peer review. These are described in Parts a–c of the proposed procedure for a CCAMLR observer ... -hoc TASO noted that in order to receive high-quality data from the CCAMLR Scheme of International ...
Meeting Document : WG-FSA-17/41 : Auteur(s): A. Dunn, D. Kerrigan and A. McNabb
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Otolith chemistry reveals local population structure of Antarctic toothfish (Dissostichus mawsoni) within the CCAMLR Subarea 48.6
and economical value and that distributed in the high latitude of the Southern Ocean. The CCAMLR ... unknown in this regions, which hampered the understanding on population dynamics of this species and the ... management of toothfish fishery. The chemistry in the otolith can often be used to distinguish population ... structure of fish. In order to understand the local population structure of D. mawsoni in different research ...
Meeting Document : WG-FSA-18/75 : Auteur(s): L. Wei, G.P. Zhu, S. Somhlaba, X.Y. Yu and M. Duan
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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
were travelled on transects, and in addition to the acoustic data collection which is presented in a ... . In addition, deployment of four acoustic moorings and 9 replicate measurements on board of krill ... acoustic sound speed and density contrasts were carried out. Euphausia superba dominated in the trawl ... samples on the shelf north of the south Shetland islands, in the Bransfield Strait, the shelf north of the ...
Meeting Document : WG-EMM-2019/46 : Auteur(s): G. Skaret, M. Martinussen, G. McCallum, R. Pedersen, J. Rønning, A.L. Donoso, O.A. Bergstad and B.A. Krafft
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CEMP INDICES: 2011 UPDATE
indicator species collected by standard methods in the three Integrated Study Regions of the Convention Area ... . Each year the Secretariat updates the standardised index values and provides a summary of trends and ... anomalies in these data. This report covers biological indices only. Six Members submitted data for 13 sites ... and 12 CEMP parameters in 2010/11. No data was received from CEMP sites in Area 88. Since 1989/90, a ...
Meeting Document : WG-EMM-11/06 : Auteur(s): Secretariat
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Impact of predation by Cape fur seals Arctocephalus pusillus on Cape gannets Morus capensis at Malgas Island, Western Cape, South Africa
(Morus capensis) fledglings around Malgas Island in the 2000/01 breeding season, 11 000 in 2003/04 and 10 ... 000 in 2005/06. This amounted to about 29%, 83% and 57% of the overall production of fledglings at the ... island in these breeding seasons, respectively. Preliminary modelling suggests this predation is not ... sustainable. There was a 25% reduction in the size of the colony, the second largest of only six extant Cape ...
Meeting Document : WG-EMM-06/9 : Auteur(s): A.B. Makhado, R.J.M. Crawford and L.G. Underhill (South Africa)
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On selectivity of commercial and research trawls when krill catching
Abstract: In the paper the attempt was made to compare selective features of several midwater ... krill trawls within the frame of krill density precise estimates provision problem in echo-surveys. The ... -Kidd research trawl IKTM) are presented. Selectivity differences of those trawls resulted in ... significant variability of krill size composition in catches. Average krill length differed more than in 6 mm ...
Meeting Document : WG-EMM-96/34 : Auteur(s): Kasatkina, S.M.
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État d’avancement de la compilation et des analyses des données scientifiques en soutien de la création d'une AMP de la CCAMLR dans la mer de Weddell (Antarctique)
Abstract: At the CCAMLR meeting in 2012, the Commission welcomed the offer of Germany to take the ... lead in developing a Weddell Sea MPA for consideration in 2014. Subsequently, the German Federal ... require particular protection in the Weddell Sea. Work under this project started mid-April 2013. This ... progress report is based on WG-EMM-13/22 which was submitted to WG-EMM 2013 in Bremerhaven, Germany ...
Meeting Document : SC-CAMLR-XXXII/BG/07 : Auteur(s): Delegation of Germany
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Estimation of the green weight of krill caught
Abstract: Vessels operating in the krill fishery in CCAMLR’s Convention Area have been required ... revised at WG-EMM-13 and published in Conservation Measure 21-03 Annex B. Estimates of green weight and ... parameter values are reported in each vessel’s haul-by-haul catch and effort data. This paper reviews the ... data reported in 2013/14 (to May 2014). Vessels fishing in 2013/14 used six methods for the direct ...
Meeting Document : WG-EMM-14/29 : Auteur(s): Secretariat
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Predicting distribution and relative abundance of mid-trophic level organisms using oceanographic parameters and acoustic backscatter
Abstract: Data on the distribution and abundance of mid-trophic level organisms (MTLOs) in the ... pelagic open-ocean ecosystem are normally sparse or absent. Consequently, ecosystem models are limited in ... proxy for MTLO abundance in the epi- and mesopelagic zones. Boosted regression trees and generalised ... additive mixed models were used to develop simple predictive models for backscatter in the epi- and ...
Meeting Document : WG-EMM-18/P07 : Auteur(s): P.C. Escobar-Flores, R.L. O’Driscoll and J.C. Montgomery
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New research consistent with a proposed draft Research and Monitoring Plan for a Ross Sea region MPA
activities identified therein. We also identify new research proposals submitted in the past year that are ... Abstract: In 2013 New Zealand and the USA submitted a draft research and monitoring plan to ... accompany a proposal for a Marine Protected Area in the Ross Sea region. In this paper we describe new ... also expected to address priority activities identified in the plan. All CCAMLR Members are encouraged ...
Meeting Document : SC-CAMLR-XXXIII/BG/24 : Auteur(s): Delegations of New Zealand and the USA