Résultats de la recherche
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Revised proposal to continue the time series of research surveys to monitor abundance of Antarctic toothfish in the southern Ross Sea, 2016 and 2017
methods will remain the same as in previous years, and the number of sets will be retained at 45 sets for ... estimating the relative abundance of sub-adult (<110 cm TL) toothfish in the core strata (A, B, C) in ... SSRUs 88.1J and 88.1L so as to provide a time series of recruitment of toothfish. This is a continuation ... of the time series of CCAMLR-sponsored research surveys of these strata carried out from 2012–2015 ...
Meeting Document : WG-FSA-15/34 : Auteur(s): S.M. Hanchet, S.J. Parker, S. Mormede and R.J.C. Currey (New Zealand)
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Survey results on abundance and biology of toothfish in Division 58.4.3b by Shinsei maru No.3 during 2006/07–2011/12 and proposal of the consecutive survey in 2012/13
tonnes seems to be appropriate for the 2012/13 survey. We aimed the establishment of CASAL catch-at-age ... information for the stock status and biology of toothfish in the Division 58.4.3b (Banzare Bank), using a ... Japanese commercial longline vessel Shinsei maru No. 3, during 2006/07 and 2011/12. Total number of hauls ... ranged from 22 to 148 during the six cruises. Total catch of Dissostichus spp. ranged from 9 to 108 ton ...
Meeting Document : WG-FSA-12/56 : Auteur(s): K. Taki, T. Iwami, M. Kiyota and T. Ichii (Japan)
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Mitigation of Macrourus by-catch in research block 58.4.1_6 and estimation of Macrourus biomass and sustainable catch in Divisions 58.4.1 and 58.4.2
effort is distributed across a range of depth strata (<1000, 1001–1500, 1501–2000 m) with at least 5 ... ) avoidance, ii) mitigation and iii) the setting of sustainable by-catch limits if mortality is not ... preventable (SC-CAMLR-XXII, paragraph 5.230). Here, we undertake a risk assessment of the effects of ... block 58.4.1_6 in particular. We investigate the distribution of D. mawsoni and Macrourus spp. catch ...
Meeting Document : WG-FSA-17/23 : Auteur(s): D. Maschette, P. Burch, P. Yates and P. Ziegler
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Features of chronology and breeding success of Pygoscelis papua and Pygoscelis adeliae penguins in the Wilhelm Archipelago (CCAMLR Subarea 48.1)
of the Wilhelm Archipelago. It was observed that at the beginning of the ХХІ century the nesting ... Abstract: We aim to investigate the qualitative changes in the habitats of two most common ... (Adelie) penguins in the CCAMLR Subarea 48.1 under the impact of climate changes and krill fishery. To ... minimize the effect of human disturbance on the breeding success and survival of chicks and avoid ...
Meeting Document : SC-CAMLR-XXXVII/BG/05 : Auteur(s): I.V. Dykyy, G.P. Milinevsky, O.L. Savitsky, D.G. Lutsenko, P.B. Khoetsky, M.F. Veselsky, V.M. Smagol, A.O. Dzhulay, J.V. Tsaryk, K.M. Nazaruk, A.T. Zatushevsky, A.O. Simon and M.A. Telipska
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PRELIMINARY REPORT OF THE NEW ZEALAND RV TANGAROA IPY-CAML SURVEY OF THE ROSS SEA REGION, ANTARCTICA IN FEBRUARY-MARCH 2008
30 years, a total of 282 gear deployments were made at 39 sites covering a wide range of habitats ... Ross Sea region in support of the International Polar Year Census of Antarctic Marine Life (IPY-CAML ... ). The 50 day voyage on the research vessel Tangaroa involved an extensive survey of marine organisms ... from viruses to pelagic and demersal fish and cephalopods from the surface down to depths of 3500 m ...
Meeting Document : WG-EMM-08/18 : Auteur(s): S.M. Hanchet, J. Mitchell, D. Bowden, M. Clark, J. Hall, R. O’Driscoll, M. Pinkerton and D. Robertson (New Zealand)
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Estimates of abundance of Dissostichus eleginoides and Champsocephalus gunnari from the random stratified trawl survey in the waters surrounding Heard Island in Division 58.5.2 for 2019
completion of 150 stations. The survey was conducted on the FV Atlas Cove. Sampling protocols such as the ... design and the duration of the hauls were similar to recent surveys, but with a new set of randomly ... selected station points. However, only 5 of 18 stations were sampled in Gunnari Ridge since the catch limit ... of the survey. The catch of Dissostichus eleginoides (Patagonian toothfish) was 30.5 t which, while ...
Meeting Document : WG-FSA-2019/03 : Auteur(s): G.B. Nowara, T.D. Lamb and P. Ziegler
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Notification for scientific research in 2019/20 under CM 24-01: Proposal for a winter longline survey of Antarctic toothfish in the northern region of Subareas 88.1 and 88.2
(SPRFMO) area at a similar time. Author(s): Delegation of New Zealand Title: Notification for scientific ... Abstract: We propose to test three hypotheses to describe the reproductive ecology of Antarctic ... transport mechanism for subsequent advection patterns, all of which could be impacted by climate change ... only exists from the west of the region (SSRU 88.1B), yet adult Antarctic toothfish are found much ...
Meeting Document : WG-SAM-18/09 : Auteur(s): Delegation of New Zealand
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Proposal for a winter longline survey of Antarctic toothfish in the northern region of Subareas 88.1 and 88.2
Abstract: We propose to test three hypotheses to describe the reproductive ecology of Antarctic ... transport mechanism for subsequent advection patterns, all of which could be impacted by climate change ... only exists from the west of the region (SSRU 881B), yet adult Antarctic toothfish are found much ... further east and north of the CCAMLR Convention Area, which is bounded by latitude 60°S. Obtaining a ...
Meeting Document : WG-FSA-18/40 : Auteur(s): Delegation of New Zealand
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Feeding habits and prey consumption of Antarctic minke whale Balaenoptera bonaerensis in the Indo–Pacific region of the Southern Ocean
consumptions of krill by Antarctic minke whales during the feeding season (120days) were estimated at 1.5 and ... species in the Southern Ocean. Quantitative information on prey consumption of whales is useful to ... understand their feeding ecology and role in the Antarctic marine ecosystem. The purposes of this study were ... 1) to investigate the feeding habits of Antarctic minke whales based on information on prey species ...
Meeting Document : WG-EMM-17/14 : Auteur(s): T. Tamura
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INTERACTIONS OF PATAGONIAN TOOTHFISH FISHERIES WITH KILLER AND SPERM WHALES IN CROZET EXCLUSIVE ECONOMIC ZONE: AN ASSESSMENT OF DEPREDATION LEVELS AND INSIGHTS ON POSSIBLE MITIGATION SOLUTIONS
operational factors on depredation. When killer whales were absent at the beginning of the line hauling ... longline fishery is exposed to high levels of depredation by killer and sperm whales. In this context, this ... study (i) provides estimations of annual depredation levels on a 5-years period (2003-2008), (ii ... observed on respectively 32.6%, 18.6% and 23.4% of the 4289 lines hauled out over this period. Over this 5 ...
Meeting Document : WG-IMAF-09/12 : Auteur(s): P. Tixier, N. Gasco, G. Duhamel and C. Guinet (France)