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A plan for Antarctic krill survey with a scientific broadband echosounder onboard R/V Kaiyo-maru in the CCAMLR Division 58.4.1 during 2018/19 season
, orientation and length distributions will be inferred from the measured spectra with theoretical acoustic ... , R. Matsukura, T. Mukai and H. Murase Title: A plan for Antarctic krill survey with a scientific ... will conduct echo sampling with a scientific broadband echosounder EK80 (Simrad-Kongsberg) during a ... -maru. The echo sampling will be performed during targeted RMT1+8 tows. Spectra of volume backscattering ...
Meeting Document : SG-ASAM-18/05 : Autor(es): K. Amakasu, K. Abe, R. Matsukura, T. Mukai and H. Murase
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Seabird interactions with longlining operations for Dissostichus eleginoides around South Georgia, April to May 1994
Paper Title: Seabird interactions with longlining operations for Dissostichus eleginoides around ... eleginoides off South Georgia were assessed for incidental mortality and interactions with seabirds. Twenty ... petrels (Procellaria aequinoctialis); the four day sets contributed 85% of deaths, with giant petrels ... disproportionately affected in relation to their numbers near the fishing vessel; giant petrels may be ... be killing 44 000 albatrosses annually, and that the introduction of streamer lines to deter ... this concern CCAMLR introduced in 1991 the requirement that streamer lines be deployed during ... place may also be important: the decline in numbers of white-chinned petrels observed coincided with ... -chinned petrels approached the line and dived in groups, with deaths also appearing to be aggregated ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 111–121 : Autor(es): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno
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Length-weight relationships of six fish species associated with krill fishery in the Atlantic sector of the Southern Ocean
commonly associated with Antarctic krill fishery, were determined. Samples were collected with Chinese ... August 2016. Data on LWRs and the relationships between standard length and total length of those species ... were presented. Those data on fish species derived from Antarctic krill fishery will be very helpful in ... understanding the interaction between krill fishery and fish community which associated with krill swarms. Data ...
Meeting Document : WG-FSA-17/64 : Autor(es): L. Wei, G.P. Zhu and Q.Y. Yang
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The direct impact of fishing and fishery-related activities on marine life in the CCAMLR Convention Area with particular emphasis on longline fishing and its impact on albatrosses and petrels – a review
Iles Kerguelen. The fishery extended further south for a few years in the second half of the 1970' ... Ocean within one season. A number of direct effects from fishing activities can be seen on marine life ... , in particular birds and mammals. With the exception of plastic package bands on some sub-Antarctic ... direct impact of fishing and fishery-related activities on marine life in the CCAMLR Convention Area with ...
Meeting Document : SC-CAMLR-XIX/BG/11 : Autor(es): Delegation of Germany
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Preliminary appraisal of Antarctic fish selection by the 32/36 bottom trawl combined with various codends
with various codends Abstract / Description: Selectivity properties of single and doubler-layer twine ... codends (mesh size 120 mm) and single-layer tape codends with a mesh size of 60 and 100 mm were determined ... . It was found that the selectivity properties of twine codends are unsatisfactory in the case of ... of both tape codends were much better. It was found that an optimum mesh size of this codend for ... . It should be emphasized, however, that there were very few fish with lengths of 21-26 cm in the ... -layer tape codends with a mesh size of 60 and 100 mm were determined. It was found that the ... be generally said that all investigated codends were different from each other in their material ... mesh size. It was assumed during experiments that selectivity investigations should be conducted ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 1-48 : Autor(es): Zaucha, J.
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The distribution pattern and fishery for the Antarctic krill (Euphausia superba) off the Wilkes Land and Balleny Islands (with notes on the application of CPUE data as indices of krill abundance)
be associated with the quasi-stationary eddy, its southern branch is expressed as the East Wind Drift ... obtained aboard the Soviet trawler “Kapitan Oleinichuck". The waters off the Terre d'Adelie (130 ... °- 150° E) are likely to be. an area of regular occurence of krill concentrations, probably the frequency ... superba) off the Wilkes Land and Balleny Islands (with notes on the application of CPUE data as indices of ...
Meeting Document : WG-KRILL-90/16 : Autor(es): V.N. Dolzhenkov, E.A. Kovalev, V.A. Spiridonov, V.P. Timonin, I.A. Zhigalov (USSR)
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Analysis of catch and effort data in SSRUs 882A–B North from the 2015 fishing season including comparisons with data from exploratory fisheries and closed areas
Norway noted that they would perform an analysis of CPUE variability, haul duration and haul speed from ... the 2015 survey of the northern region of SSRUs 88.2A–B, including a comparison with all exploratory ... fisheries and closed areas. The analysis showed that overall, the CPUE rates observed in the survey were ... within the range of that observed in other exploratory fisheries and similar to those typically observed ...
Meeting Document : WG-SAM-16/16 Rev. 1 : Autor(es): K. Large, A. Dunn, S.J. Parker, T. Earl, C. Darby, M. Söffker and O.R. Godø
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Distribution patterns and biomasses of Antarctic krill (Euphausia superba) and ice krill (E. crystallorophias) with note on distribution of Antarctic minke whales (Balaenoptera bonaerensis) in the Ross Sea in 2005
=0.18) million t, respectively. School sizes of Antarctic minke whales were large where the densities of ... Antarctic krill were high. Distribution pattern of Antarctic minke whales in the Ross Sea could be regulated ... , K. Taki, T. Hayashi, T. Yabuki, T. Tamura, K. Konishi, K. Matsuoka, K. Miyashita, S. Nishiwaki and M ... krill (E. crystallorophias) with note on distribution of Antarctic minke whales (Balaenoptera ...
Meeting Document : WG-EMM-08/35 : Autor(es): H. Murase, H. Yasuma, R. Matsukura, Y. Takao, K. Taki, T. Hayashi, T. Yabuki, T. Tamura, K. Konishi, K. Matsuoka, K. Miyashita, S. Nishiwaki and M. Naganobu (Japan)
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Pilot test of techniques to mitigate seabird interactions with catcher processor vessels in the Bering Sea pollock trawl fishery: final report
techniques for future testing that are likely to reduce seabird interactions with catcher processor trawl ... . Dietrich and T. Thomas (USA) Title: Pilot test of techniques to mitigate seabird interactions with catcher ... Abstract: We carried out a pilot research program in collaboration with industry to identify ... vessels operating the Bering Sea fishery for pollock (Theragra chalcogramma) and that are practical and ...
Meeting Document : WG-FSA-05/37 : Autor(es): E.F. Melvin, K.S. Dietrich and T. Thomas (USA)
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Krill and zooplankton populations monitored during AMLR 2004 surveys (Subarea 48.1) with respect to the long-term Elephant Island area datasets
that coincided with an oceanic-atmospheric “regime shift” affecting the Pacific Ocean basin. Author(s ... good recruitment of the 1990/00, 2000/01 and 2001/02 year classes and little contribution from the 2002 ... -March indicated an influx of large spawning individuals; these along with greatly increased ... 48.1) with respect to the long-term Elephant Island area datasets Approval: Approved ...
Meeting Document : WG-EMM-04/72 : Autor(es): V.J. Loeb (USA)