Résultats de la recherche
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Do krill and salps compete? Contrary evidence from the krill fisheries
presence of green krill were analysed. No relationship between salp density and the proportion of green ... area, the proportion of green krill was high only when salp density was extremely low. However, no ... Paper Title: Do krill and salps compete? Contrary evidence from the krill fisheries Abstract ... phytoplankton were analysed using logbook data from Japanese krill trawlers operating near the Antarctic ... green krill were analysed. No relationship between salp density and the proportion of green krill in ... , the proportion of green krill was high only when salp density was extremely low. However, no clear ... Kaisha (Ltd) from 1984/85 to 1992/93 (no data were available for 1989/90 and 1991/92). Data from the ... that there is no apparent relationship between the proportion of green krill and salp density in the ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 205–216 : Auteur(s): Kawaguchi, S., T. Ichii, M. Naganobu and W.K. de la Mare
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Distribution, biomass and characteristics of the Euphausia superba fishery around South Georgia (Subarea 48.3)
Paper Title: Distribution, biomass and characteristics of the Euphausia superba fishery around ... South Georgia (Subarea 48.3) Abstract / Description: Krill distribution in the South Georgia area and ... assessments. The existing uncertainty in krill biomass assessment can be largely attributed to high ... variability and the wide range of biomass values obtained which in turn leads to uncertainty in interpreting ... . Over the rest of the territory no large swarms of euphausiids were encountered and many hauls were ... there were practically no krill at all. They began to appear in small numbers only as the survey neared ... the confmes of areas of aggregation. There was no specific focus on areas where krill form ... consistent with the location of sites with high abundance of krill (Figure 5B). Survey 3 (12 to 18 June ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 123–147 : Auteur(s): Latogursky, V.I., R.R. Makarov and L.G. Maklygin
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Do krill and salp compete? Contrary evidence from the krill fisheries
blooms and the presence of green krill were analysed. No relationship between salp density and the ... . However, no clear relationship was observed in the Elephant Island area. Possible reasons for these ... feeding on phytoplankton were analysed using logbook data from Japanese krill trawlers operating near the ... Antarctic Peninsula. Interannual and seasonal variability of the timing, duration and intensity of salp ...
Meeting Document : WS-AREA 48-98/4 Rev. 1 : Auteur(s): S. Kawaguchi (Japan), W.K. de la Mare (Australia), T. Ichii and M. Naganobu (Japan)
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2006/07
Sea fishery have been very consistent over the past 3–4 seasons. There is no evidence of any ... truncation of the overall length frequency distribution, and no evidence for a reduction in fish length in ... . So at this stage there is no evidence for strong variation in year class strength in the fishery ... Abstract: The exploratory fishery for Antarctic toothfish (D. mawsoni) has been operating for ten ...
Meeting Document : WG-FSA-07/28 : Auteur(s): S.M. Hanchet, M.L. Stevenson and A. Dunn (New Zealand)
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Results on by-catch of fish during Ukrainian, Polish and Japanese krill fishery in the South Orkney Islands, South Georgia and Shetland Islands areas
South Georgia (March to May, 1993), and by the Japanese fishing vessels No.3 and No.5 Chiyo Maru in the ... the South Orkney Islands area, eight hauls were subjected to analysis and there was no by-catch of ... krill Euphausia superba Dana conducted by the Ukrainian trawler Grigory Kovtun in the vicinity of South ... Georgia (May to July, 1992), the Polish trawler Lepus on the fishing grounds of South Orkney Islands and ...
Meeting Document : WG-FSA-96/19 : Auteur(s): Cielniaszek, Z., Pakhomov, E.A., Iwami, T.
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Commercial fishing in the Ross Sea
toothfish through the Ross Sea region, and little or no impacts on dependent species and the ecosystem ... Abstract: COLTO members have been fishing for toothfish in the Ross Sea for the past 15 years ... . The New Zealand Seafood Industry Council, representing NZ toothfish operators in COLTO, have prepared ... the attached information sheet to contribute to conversations surrounding sustainable fishing ...
Meeting Document : CCAMLR-XXXI/BG/35 : Auteur(s): Submitted by COLTO
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Preliminary analyses in support of the CEMP Review Workshop: power analyses
Abstract: A series of power (sensitivity) analyses of CEMP indices was made using the DOS-based ... change over the range –10% to +10% of a mean survey value. Each run of MONITOR involved the calculation ... of power for 3 survey scenarios and 3 alpha levels (0.05, 0.10 and 0.20). The 3 surveys scenarios ... change, and CEMP indices A3 (delta log transform), A8a (no transform), A8c (log odds transform), B1a ...
Meeting Document : WG-EMM-03/26 : Auteur(s): Secretariat
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Gear loss reported by longline fishing vessels for the 2018 and 2019 fishing seasons
no difference in the relative reporting of lost hooks by gear type, with rates of loss recorded at ... Abstract: Gear loss as reported by longline vessels from the 2018 and 2019 fishing seasons ... . Vessels reported 1 632 km of line lost in the Convention Area, of which 27% were complete lines. There was ... 0.3% for each gear type for the past two seasons. There was a significant difference in the frequency ...
Meeting Document : WG-FSA-2019/18 : Auteur(s): CCAMLR Secretariat
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Relationship with the Antarctic Treaty System
increasing number of CPs, including States that have no traditional linkages to the Antarctic Treaty (or the ... Antarctic Treaty and CCAMLR. Commission Commission – No action necessary 2.1.1.3 Furthermore, the RP saw ... the Convention Recommendation Responsible body Activities to date Status 2.1.1.1 Given the ... ATS), the RP sees virtue in reinforcing the obligations of Articles III, V (and IV.1). This might be ...
Page : Site Section: The Organisation
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Can toothfish catches be used to predict the presence of vulnerable benthic invertebrate taxa?
data available showed no evidence that the presence of any of six VME indicator taxa was informative in ... Paper Title: Can toothfish catches be used to predict the presence of vulnerable benthic ... invertebrate taxa? Abstract / Description: Accurate estimation of the impact of bottom fishing on vulnerable ... marine ecosystems (VMEs) requires knowledge of the distribution of those communities relative to the ... segment, ~1 200 m. Analysis of the data available showed no evidence that the presence of any of six VME ... found no association, although these conclusions are likely to reflect the disproportionate influence ... than that gained when offering toothfish variables, but no model explained more than 25% of the null ... correlated at that scale. The present analysis found no correlation at the fine scale of a longline segment ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 87–96 : Auteur(s): Parker, S.J. and M.H. Smith