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Mitigating killer whale depredation on demersal longline fisheries by changing fishing practices
with significant losses for fisheries and potential impacts on wild populations of depredating species ... identify fishing practices that could reduce odontocete depredation, with a focus on killer whales (Orcinus ... orca) interacting with Patagonian toothfish (Dissostichus eleginoides) longliners off the Crozet ... islands. Data collected by fishery observers from 6,013 longline sets between 2003-2013, paired with ...
Meeting Document : WG-FSA-14/P03 : Автор(ы): P. Tixier, J. Vacquie Garcia, N. Gasco, G. Duhamel and C. Guinet
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Gonad analysis of Antarctic toothfish in Subareas 58.4 and 88.3
found to be 0.50, and displayed the tendency of increase with increase in the total length 140 cm. The ... -synchronous type. In the ovaries of growing stage, initial vitellogenic oocytes with approximately 150 ㎛ of ... . Frequency of ovarian development stages of Antarctic toothfish showed the highest proportion with 45.4% at ... the ripe stage, and followed by the growing stage with 25.9% and mature stage with 28.7%. Frequency of ...
Meeting Document : WG-FSA-17/09 : Автор(ы): J. Kim, S.-G. Choi, J. Lee, J. Lee and D. An
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Areas of seabed within selected depth ranges in the South-West Atlantic and Antarctic Peninsula regions of the Southern Ocean
. The co-ordinates are those of the northern, southern, eastern and western limits of each rectangle ... range (m) 0-50 50-150 150-250 250-500 >500 3 404 4 255 17 020 826 318 342 10 733 22 808 12 075 296 ... 055 847 846 250 209 598 1 973 713 19 275 3 401 40 817 1 070 314 Table Total numbers 218 ... 101 2, 9 572 070 3, 10 U1 10 850 997 4, 11 341 672 5, 12 847 097 6, 13 2 183 316 7, 14 1 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 49-73 : Автор(ы): Everson, I.
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Soviet proposals for a program of ecosystem monitoring in the Commonwealth Sea and Prydz Bay
of communities (pelagic and bottom-dwelling biocenoses). 3. Establishment of the nature, and ... three major research directions, the findings of which might then be seen in inter-relation with the ... variables with biological patterns and distributions of species) ; 2. Life-cycle strategies and the ... be determined initially for those species selected as indicators for ecosystem monitoring) 3 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 355-362 : Автор(ы): USSR
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APPLYING A TS-PROBE FOR MEASURING ANTARCTIC KRILL (EUPHAUSIA SUPERBA) TARGET STRENGTH IN SITU: PROCEDURES AND DATA ANALYSIS
and analysis with some results for one selected station are presented. A Simrad EK60 split beam system ... transducers with 7o half power beam opening angles. The orientation of the probe was monitored with sensors ... transducer platform with the purpose of measuring the orientation of the organisms. All system communication ... documented through recordings with hull-mounted ship echosounders and verified through net samples. The probe ...
Meeting Document : SG-ASAM-09/13 : Автор(ы): G. Skaret, L. Calise and E. Ona (Norway)
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Selectivity and two biomass measures in an age-based assessment of Antarctic krill (Euphausia superba)
using two forms of selectivity (logistic or double-logistic) with time-constant or annually varying ... samples and (2) hydroacoustic sampling were combined with length-compositions from the nets. Sixteen model ... configurations using different combinations of the two biomass surveys with the various options for modeling ... selectivities were examined. Parameters were estimated in phases with the sequential order of the phases ...
Meeting Document : WG-EMM-15/P07 : Автор(ы): D. Kinzey, G.M. Watters and C.S. Reiss
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Reproductive analysis of Dissostichus mawsoni in SSRU 5841C-a for the exploratory longline fishery in 2012/13 of Korea
vulnerable with a big range of about 1,000-2,000 t per SSRU in 58.4.1. However, there is not enough data to ... 0.54 displaying the tendency increased with the total length became larger. The gonadosomatic index of ... of growing stage, initial vitellogenic oocytes with approximately 150 ㎛ of egg size was mainly ... proportion with 46.3% at the mature stage, and followed by the growing stage with 29.3%, and ripe stage with ...
Meeting Document : WG-SAM-13/27 : Автор(ы): I.J. Yeon, J.S. Lee, Y.J. Kwon, M.A. Jeon, S.K. Choi, K.J. Seok, D.W. Lee, K.Y. Ku and H.J. Kim (Republic of Korea)
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Population genetic structure of Patagonian toothfish in the West Indian Ocean sector of the Southern Ocean
variation was seen within collections. Comparisons with previously collected genetic data from Heard and ... collections. Comparisons with previously collected genetic data from Heard and McDonald Island collections (n ... increased in economic value since the start of commercial exploitation, approximately 17 years ago, within ... indicated restricted gene fl ow, with fi sh at each of the fi shing locations comprising independent units ... fi sh had been at liberty for 0.7 to 3.8 years, demonstrating that under some circumstances D ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 21–32 : Автор(ы): Appleyard, S.A., R. Williams and R.D. Ward
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Revised reproductive analysis of Dissostichus mawsoni in SSRU 58.4.1 C for the Korean exploratory longline fishery in 2012/2013
vulnerable with a big range of about 1,000-2,000 t per SSRU in 58.4.1. However, there is not enough data to ... displaying the tendency increased with the total length became larger. The gonadosomatic index of the female ... stage, initial vitellogenic oocytes with approximately 150 ㎛ of egg size was mainly observed. The egg ... stain. Frequency of ovarian development stages of the toothfish showed the highest proportion with 46.3 ...
Meeting Document : WG-FSA-13/45 : Автор(ы): I.J. Yeon, J.S. Lee, Y.J. Kwon, M.A. Jeon, S.K, Choi, K.J. Seok, D.W. Lee, K.Y. Ku and H.J. Kim (Republic of Korea)
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Relationships between oceanographic environment and distribution of krill and baleen whales in the Ross Sea and adjacent waters, Antarctica in 2004/05
ecosystem in the Ross Sea and its adjacent waters with a joint survey the R/V Kaiyo Maru and the Japanese ... zooplankton and fishes as well as baleen whales with an oceanographic environment index (namely MTEM-200 which ... distribution patterns that could be approximately segregated patterns with MTEM-200. Humpback whales mainly ... distributed in the waters warmer than 0℃, which agreed with the Antarctic Circumpolar Current (ACC) zone, with ...
Meeting Document : WG-EMM-08/31 : Автор(ы): M. Naganobu, S. Nishiwaki, H. Yasuma, R. Matsukura, Y. Takao, K. Taki, T. Hayashi, Y. Watanabe, T. Yabuki, Y. Yoda, Y. Noiri, M. Kuga, K. Yoshikawa, N. Kokubun, H. Murase, K. Matsuoka, T. Iwami and K. Ito (Japan)
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