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Long-term change in zooplankton communities of the Southern Ocean between 1997 and 2018: implications for fisheries and ecosystems
Abstract: We provide an analysis of zooplankton distributions in the circumpolar Southern Ocean ... based on samples collected by the international Southern Ocean Continuous Plankton Recorder Survey (SO ... observations over the period 1997–2018. These environmental data were: phytoplankton biomass, primary ... productivity, sea-surface temperature (SST), mixed layer depth, sea ice and the spatial gradient of SST (as an ...
Meeting Document : WG-EMM-2019/66 : Автор(ы): M.H. Pinkerton, M. Decima, J. Kitchener, K. Takahashi, K. Robinson, R. Stewart and G.W. Hosie
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Joint research proposal for Dissostichus spp. in Subarea 88.3 by the Republic of Korea and New Zealand
boxes on the southern shelf, where little or no fishing has occurred. The main objective of the proposal ... and 2012) and Korea (2016 and 2017). However, there is still considerable uncertainty about the ... abundance of Antarctic toothfish in Subarea 88.3 and the Scientific Committee has requested members complete ... research in this area to address that uncertainty. There is also considerable uncertainty about the stock ...
Meeting Document : WG-FSA-17/40 : Автор(ы): Delegations of the Republic of Korea and New Zealand
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Fisheries risks to the population viability of black petrel (Procellaria parkinsoni)
Abstract: Data on the main population of black petrel (Procellaria parkinsoni), which breeds on ... Great Barrier Island, were analysed. Three types of data were available. The most useful was abundance ... data, from which it was possible to infer that the population was probably increasing at a rate between ... data from observers were too sparse and imprecise to be useful. The fact that the population is ...
Meeting Document : WG-SAM-10/P01 : Автор(ы): R.I.C.C. Francis and E.A. Bell (New Zealand)
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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
Abstract: Distribution patterns and biomasses of Antarctic and ice krill in the Ross Sea in ... and oceanography data. Two research vessels, KM and KS2, conducted the hydroacoustic surveys ... independently in the same area. Distribution patterns and length frequency information for two species were ... distributed on the continental shelf region (shallower than 1000m water depth). In contrast, Antarctic krill ...
Meeting Document : WG-EMM-08/35 : Автор(ы): 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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Report on Dissostichus mawsoni exploratory fishery research in East Antarctica (Divisions 58.4.1 and 58.4.2) between the 2011/12 and 2017/18 fishing seasons
recommendations from WG-SAM, WG-FSA and the Scientific Committee relating to the multi-Member research plan for ... the toothfish exploratory fishery in Divisions 58.4.1 and 58.4.2 between 2011/12 and 2017/18. Table 1 ... provides a summary of responses to the recommendations with references to the associated outputs in this ... paper or the new research plan (WG-FSA-18/59). In particular, this paper presents: Tag-overlap ...
Meeting Document : WG-FSA-18/58 Rev. 1 : Автор(ы): P. Yates and P. Ziegler
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Revised proposal for the ongoing research plan on Patagonian toothfish (Dissostichus eleginoides) in Division 58.4.4b (2016/17–2020/21)
this research plan in 2015 and a joint proposal was submitted for the first time in 2016 (WG-SAM-16/06 ... and WG-FSA-16/33 Rev. 1) for a period of 5 years. The proposal submitted here has been substantially ... revised to address the concerns expressed at WG-FSA 2019 and SC-CAMLR-XXXVII (para. 3.158). We followed ... and improved the revised research plan presented in SC-CAMLR-XXXVII Annex 12 and redefined slightly ...
Meeting Document : WG-FSA-2019/64 : Автор(ы): Delegations of Japan and France
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Recent trends in numbers of four species of penguins at the Prince Edward Islands
pairs of king penguins were incubating eggs at Marion Island, the larger of the two islands in the group ... , and 2000 pairs at Prince Edward Island. At Marion Island from 1987–2008, there was no long-term trend ... in numbers of king penguin chicks that survived to the end of the winter period, but there was ... considerable fluctuation in chick production in the 1990s. It was roughly estimated that on average 88% of king ...
Meeting Document : WG-EMM-10/P01 : Автор(ы): R.J.M. Crawford, P.A. Whittington, L. Upfold, P.G. Ryan, S.L. Petersen, B.M. Dyer and J. Cooper
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Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica
Abstract: Icefish (Channichthyidae) specimens were randomly collected by observers during the ... toothfish in the Ross Sea (Areas 88.1 and 88.2). Biological data from 303 returned specimens was collected ... , diet, and age estimation. All of the icefish sampled were identified as Chionobathyscus dewitti, and ... showed no significant difference in sex ratio. Meristic, diet and age data were consistent with previous ...
Meeting Document : WG-FSA-07/25 : Автор(ы): C.P. Sutton, M.J. Manning, D.W. Stevens, P.M. Marriott (New Zealand)
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997/98 to 2003/04
changes in the ice conditions and fleet composition, no two seasons have been the same. In 2001, 2003, and ... and the associated bycatch from the fishing operations has been collected. This report is somewhat ... different to earlier reviews of the exploratory fishery. In the first instance, it reports catches by the ... new SSRUs used to manage Subarea 88.1; secondly, the report includes catch data from all countries ...
Meeting Document : WG-FSA-04/20 : Автор(ы): S.M. Hanchet, M.L. Stevenson, N.L. Phillips and P.L. Horn (New Zealand)
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2012–13
with no trend. A standardised CPUE analysis in the Ross Sea fishery showed an increase to 2008 followed ... Abstract: This report summarises the timing, depth, and location of fishing together with the ... biological aspects and catch of Antarctic toothfish for the period 1997–98 to 2012–13. In 2012–13, all the ... Ross Sea slope SSRUs were clear of ice and catches were evenly distributed across the three SSRUs. As ...
Meeting Document : WG-FSA-13/48 : Автор(ы): S. Hanchet, S. Mormede and A. Dunn (New Zealand)
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