Resultados de la búsqueda
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Updated species profile for Antarctic toothfish (Dissostichus mawsoni)
intended that this report form the basis of a species profile of D. mawsoni as requested at the 2009 CCAMLR ... Abstract: A species profile, covering aspects of the biology, fisheries and stock assessment of ... , and depredation. It focused primarily on the biology of D. mawsoni based on information collected from ... the Ross Sea fishery because that was where most of the work had been carried out. The aim of the ...
Meeting Document : WG-FSA-10/24 : Autor(es): S.M. Hanchet (New Zealand)
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Krill fishery report: 2013 update
151161 t, 86% of which was taken from Subarea 48.1. At the time of preparing this report, the cumulative ... catch of krill was 161085 t (Subarea 48.1: 75630 t; Subarea 48.2: 29040 t; Subarea 48.3: 56415 t). The ... largest catch of krill by small-scale management unit was taken in ‘South Georgia East’ in Subarea 48.3 ... with a total catch of 50218 t. So far this season (2012/13), 11 vessels from Chile, China, Korea ...
Meeting Document : WG-EMM-13/37 Rev. 1 : Autor(es): Secretariat
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A study on calibration for commercial echosounder using bottom backscattering strength in Antarctic
fishing vessel to use it in estimating biomass of Antarctic krill (Euphausia superba). The method of ... calibration was to analyze the difference between the bottom backscattering strength of the commercial ... echosounder (i.e. ES70) and the scientific echosounder (i.e. EK60) at some transects designated by CCAMLR ... , was examined to verify the calibration result. The analysis result confirmed the possibility of ...
Meeting Document : SG-ASAM-17/P01 : Autor(es): S.-G. Choi, H. Lee, K. Lee and J. Lee
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Información sobre un taller de capacitación dirigido a observadores científicos e inspectores de la CCRVMA
Inspectors to work in fisheries in the CCAMLR Convention Area held at the AtlantNIRO Institute in Kaliningrad ... (20–24 August 2018). Author(s): Delegation of the Russian Federation Title: Information about a ...
Meeting Document : SC-CAMLR-XXXVII/15 : Autor(es): Делегация Российской Федерации
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Some data on Antarctic toothfish Dissostichus mawsoni reproduction in the Ross Sea (Subarea 88.1) in the period from December 2002 to March 2003
December, 2002-March, 2003 in Subarea 88.1, we determine Antarctic toothfish body length at maturity of 50 ... Abstract: On the grounds of data analysis collected by one of the authors – Prutko V.G. in ... % females-128-130 cm, males-117-120 cm. To estimate maturity stages of post-spawning individuals we suggest ... using double designation, and to control visual estimation of maturity stages number of different ...
Meeting Document : WG-FSA-03/49 : Autor(es): V.G. Prutko and L.A. Lisovenko (Ukraine)
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Seabird interactions with long-lining operations during an exploratory fishing cruise for Dissostichus eleginoides to South Sandwich Islands, Antarctica
Abstract: During seven operations involving the setting and hauling of long-lines to catch ... interactions with seabirds were assessed. Bird numbers increased rapidly after dawn and large numbers of Cape ... , giant and storm petrels and smaller numbers of white-chinned petrels and black-browed albatrosses were ... hook; nevertheless these aggregations of birds are clearly potentially vulnerable to setting operations ...
Meeting Document : SC-CAMLR-XII/BG/08 Rev. 1 : Autor(es): Delegations of United Kingdom and Chile
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Can acoustic methods be used to monitor grenadier (Macrouridae) abundance in the Ross Sea region?
to assess stock status of grenadiers in the Ross Sea and to ensure ecological relationships are ... maintained. There may be potential to use fisheries acoustic methods to obtain estimates of grenadier ... abundance. Acoustic data collected during New Zealand’s International Polar Year Census of Marine Life ... slope are grenadiers. The acoustic target strength distribution of single targets was very similar to ...
Meeting Document : WG-FSA-12/P11 : Autor(es): R.L. O’Driscoll, S.M. Hanchet and B.S. Miller
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THE WHITE-CHINNED PETREL (PROCELLARIA AEQUINOCTIALIS) ON SOUTH GEORGIA: POPULATION SIZE, DISTRIBUTION AND GLOBAL SIGNIFICANCE
annual mortality in this population alone is at least in the high tens of thousands, and plausibly ... fisheries than probably any other seabird in the world, but the population impact of this mortality is ... poorly understood, partly because there have been no estimates of the species’ abundance in recent ... decades. The largest breeding aggregation, comprising the majority of the worldwide total, is believed to ...
Meeting Document : WG-EMM-PSW-08/05 : Autor(es): A.R. Martin, S. Poncet, C. Barbraud, P. Fretwell and E. Foster (United Kingdom)
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Beach debris survey – Main Bay, Bird Island, South Georgia 1996/97
Abstract: The seventh year of surveys of beached man-made debris at Bird Island, South Georgia ... revealed a total of 289 items, 60 % less than in the two previous years. Of the total number of items, 62 ... collection exceeded the winter. Nylon line, identical to that used in longline gear, accounted for 57 % of ... items, nearly all of which clearly originated from fishing vessels. Despite the CCAMLR ban on the use of ...
Meeting Document : CCAMLR-XVII/BG/7 : Autor(es): Delegation of the United Kingdom
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Progress report on the Korean research fishing by longline fishery for Dissostichus spp. in Subarea 88.3 in 2016/17 season
2017 in 2016/17 fishing season. The total number of fishing days are 38 of 56 days stayed in the ... fishing grounds. The total catch of D. mawsoni was 118,220 kg with 4,132 individuals, and their CPUE ... recorded 0.21 kg/hook. 957 individuals of D. mawsoni were tagged and released. Tagging rate and tag overlap ... statistics in Subarea 88.3 were 5.04 and 88%, respectively. Length frequency of D. mawsoni had a single mode ...
Meeting Document : WG-SAM-17/28 : Autor(es): S.-G. Choi, J. Lee, J. Lee and D. An