Résultats de la recherche
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Distribution, biological characteristics and biomass of mackerel icefish based on the results of the trawling survey carried out at RV Atlantida in February 2000
Abstract: The results of mackerel icefish (Champsocephalus gunnari) trawling survey carried out ... C.gunnari were feeding. In all parts of the Subarea, except the North-Western one, C. gunnari of 22-28 cm in ... length and 2-3 years old predominated. Fish biomass distributed near the bottom estimated with different ... methods amounted to 47-87 thous.t. The estimation also was presented taking into account catchability ...
Meeting Document : WG-FSA-00/51 : Auteur(s): Zh.A. Frolkina and P.S. Gasiukov (Russia)
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Report on the results of exploratory research fishing for crabs in Subarea 48.2 on board FV Tamango in the 2009/10 season
revealed no commercial concentrations of crabs on the South Orkney Islands shelf. However, commercial ... , 8, 2010. Three areas were explored during the voyage: Patagonian shelf (Statistic Subarea 41.3.1 ... ), South Orkney Islands shelf (CCAMLR Subarea 48.2) and the North Scotia Ridge. Exploratory pot-line survey ... concentrations of king crabs were encountered in the area adjacent to CCAMLR area, on the North Scotia Ridge, at ...
Meeting Document : WG-SAM-11/19 : Auteur(s): V.A. Bizikov and S.E. Anosov (Russia)
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By-catch of fishes caught by the fishery vessel Niitaka Maru in the South Georgia area (August to September 2004)
the Myctophidae. At least in the net hauls of high krill CPUE (>20t?krill/h), few or no by-catch ... by F/V Niitaka Maru (5306t) were made from August 6 to September 9, 2004 to the north of South ... of by-catch fishes were occurred in 76 trawl catches. The family Myctophidae, the most abundant taxa ... during the present survey, were found in 61% of hauls examined. Although only one species, Lepidonotothen ...
Meeting Document : WG-EMM-05/19 : Auteur(s): T. Iwami, T. Hayashi, K. Taki and M. Naganobu (Japan)
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Extending ecological monitoring to underpin the development of feedback management approaches for the Antarctic krill fishery
Abstract: CCAMLR has agreed to consider and develop a feedback management approach for the krill ... fishery. Such a management approach may also require the development of a new or extended monitoring ... programme for dependent species, especially if the krill fishery is to operate over large spatial scales and ... in areas where no existing monitoring, including CEMP monitoring, is present. Here we consider some ...
Meeting Document : WG-EMM-12/04 : Auteur(s): P.N. Trathan (UK), H.J. Lynch (USA), C. Southwell (Australia), P.T. Fretwell (UK), G. Watters (USA) and N. Ratcliffe (UK)
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Approaches to data collection and analysis for detecting and quantifying functional overlap at the scale of the individual vessell
Abstract: Summary Over the past years, the subject of whether there is a functional overlap ... between the krill fishery and pelagic krill predators has been discussed throughout the SC-CAMLR Working ... interactions and competition between the krill fishery and krill-dependent predators during fishing operations ... monitoring. The Scientific Committee noted that consideration is needed on what specific scientific questions ...
Meeting Document : WG-EMM-18/33 : Auteur(s): M. Söffker and N. Gasco
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IS THE BYCATCH OF VULNERABLE INVERTEBRATE TAXA ASSOCIATED WITH HIGH CATCH RATES OF FISH IN THE ROSS SEA LONGLINE FISHERIES?
by fishing activities requires knowledge of the distribution of those communities relative to the ... locations. This study used the catch of VME indicator organisms reported during the 2008/09 Ross Sea ... on a set-specific basis. Analysis of the data available showed that vessel and longitude were ... significant factors in predicting the VME indicator organism catch rate. Toothfish catch, when forced into the ...
Meeting Document : WS-VME-09/07 : Auteur(s): Parker, S.J., Mormede, S.
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Experimental evaluation of the effectiveness of weighting regimes in reducing seabird by-catch in the longline toothfish fishery around South Georgia
Paper Title: Experimental evaluation of the effectiveness of weighting regimes in reducing ... seabird by-catch in the longline toothfish fishery around South Georgia Abstract / Description: A series ... of experiments was carried out in February 1999 at South Georgia (Subarea 48.3) to examine the ... effects of different weighting regimes on the incidental mortality of birds caught on longlines fishing ... of one stone at each attachment site (termed 'control' in this experiment) against the use of two ... stones (termed 'treatment'); and (ii) a comparison of the use of two stones at each attachment site ... or the number of black- browed albatrosses killed. RESULTS Experimental Results No practical ... set away from the experimental site north of South Georgia. Most of the experimental sets did ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 119–131 : Auteur(s): Agnew, D.J., A.D. Black, J.P. Croxall and G.B. Parkes
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Biomass estimates of Antarctic krill based on survey conducted by the Chinese fishing vessel FV Fu Rong Hai during the 2019 Area 48 survey
Abstract: As a contribution to the joint effort on the large-scale international synoptic krill ... survey of Area 48 (2019 Area 48 survey), the Chinese krill fishing vessel F/V Fu Rong Hai conducted the ... acoustic survey around the South Shetland Islands and the Elephant Islands in the Subarea 48.1 from 5 th to ... 10 th February 2019. Implementation and preliminary results on the estimates of krill biomass density ...
Meeting Document : SG-ASAM-2019/07 : Auteur(s): X. Wang, X. Yu, X. Zhao, J. Zhang, G. Fan, J. Zhu and Y. Ying
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An examination of latitudinal variation in the growth rates of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea
in the length-at-age data. There is no statistically significant difference in mean growth rates of D ... (76° S) fell consistently below the von Bertalanffy curves calculated predominantly from data ... (62.5°–78.0° S). Between-zone comparisons were confounded by marked differences in the age structure of ... catches from the northern and southern sections of the range, and by the relatively high level of variance ...
Meeting Document : WG-FSA-03/30 : Auteur(s): P.L. Horn (New Zealand)
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An outline of the proposed dedicated krill survey for CCAMLR Division 58.4.1 during 2018/19 season by the Japanese survey vessel, Kaiyo-maru
Japan. No krill biomass has been estimated in the Division since 1996 when Australia carried out BROKE ... . There are two main objectives of our survey: (1) estimation of krill biomass to update B(0) in the area ... and (2) oceanographic observations in the area to detect long term changes if any. Japanese research ... vessel, Kaiyo-maru, will be used in the survey. The krill survey (echosounder and RMT) and subsequent ...
Meeting Document : SG-ASAM-17/01 : Auteur(s): H. Murase, K. Abe, T. Ichii and A. Kawabata