Search results
-
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 : Author(s): M.H. Pinkerton, M. Decima, J. Kitchener, K. Takahashi, K. Robinson, R. Stewart and G.W. Hosie
-
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 : Author(s): P. Yates and P. Ziegler
-
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 : Author(s): Delegations of Japan and France
-
OCEANIC CIRCUMPOLAR HABITATS OF ANTARCTIC KRILL
growth rates and predation losses are atypically high. Emphasis on these areas has led to the current ... , with 70% of the total stock concentrated between 0o and 90oW. Within this Atlantic sector, krill are ... abundant over both shelf and ocean. At the Antarctic Peninsula, by contrast, they are found mainly over the ... inner shelf whereas in the Indian-Pacific sectors krill prevail in the ocean within 200-300 km of the ...
Meeting Document : WG-EMM-08/P04 - Abstract : Author(s): A. Atkinson, V. Siegel, E. A. Pakhomov, P. Rothery, V. Loeb, R.M. Ross, L.B. Quetin, K. Schmidt, P. Fretwell, E.J. Murphy, G.A. Tarling and A.H. Fleming
-
Informing the Scientific Committee about the revisions of the WSMPA proposal
Abstract: Following the submission of a first draft Conservation Measure for establishing a MPA ... in the Weddell Sea (WSMPA) to CCAMLR 2016, Germany has carried out further work on the WSMPA proposal ... and the EU has submitted a revised CM proposal to CCAMLR 2018. This document is based on similar ... documents submitted to WG SAM 2018 and the CCAMLR Workshop on Spatial Management (WS-SM-18). It intends to ...
Meeting Document : SC-CAMLR-XXXVII/BG/14 Rev. 1 : Author(s): Delegation of Germany
-
The importance of sea ice association of Antarctic krill for transport and retention in the South Orkneys region: a modelling study
Abstract: The South Orkney Islands region is a key location for understanding the distribution of ... Antarctic krill in CCAMLR Area 48. The local krill populations support krill-dependent higher predators and ... krill fisheries, and the regional oceanographic circulation provides connections between the Antarctic ... Peninsula, the South Orkney Islands and the central Scotia Sea and South Georgia. Furthermore, the South ...
Meeting Document : WG-EMM-2019/21 : Author(s): S.E. Thorpe, E.F. Young, E.J. Murphy and A.H.H. Renner
-
Report on fishing effort and seabird interactions during the season extension trials in the longline fishery for Patagonian toothfish (Dissostichus eleginoides) in Statistical Division 58.5.2
Abstract: Minimising seabird interactions with longline operations is a key objective of the ... management of fisheries in CCAMLR (see e.g. Conservation Measure CM 25-02 and 41-08). Longline fishing in the ... seabird mitigation measures since the initial fishing season in 2003. Over the years, CCAMLR has agreed to ... add season extensions from 15-30 April and 15 September- 31 October to the core season. In 2015 ...
Meeting Document : WG-FSA-2019/31 : Author(s): P. Ziegler, T. Lamb, S. Wotherspoon and J. Dell
-
Proposal for a skate tagging program in the Ross Sea region to estimate the local biomass trend for starry skates (Amblyraja georgiana)
for skates in the Ross Sea region, we summarise skate catch and mark-recapture data through the 2016 ... annually). Catch data show that most of the skate catch consists of Amblyraja georgiana and that this ... species is the only one with enough mark-recapture data to examine movement patterns and estimate local ... biomass. Much of the A. georgiana catch occurs in SSRUs 88.1H and 88.1I in an area remaining open to ...
Meeting Document : WG-FSA-18/38 Rev. 1 : Author(s): S. Parker and M. Francis
-
Reproductive ecology of Antarctic toothfish, Dissostichus mawsoni (Norman, 1937) (Actinopterygii: Nototheniidae), in the Antarctic waters (SSRUs 58 and 88)
Abstract: Total numbers of Antarctic toothfish collected in the CCAMLR Conservation Zone were 600 ... fish which consist of 306 fish from the 58 area and 294 fish from the 88 area during February through ... higher total length. The ratio of female among the 857 specimens of Antarctic toothfish collected from ... the 58.4.1 area and 88.3 area within the CCAMLR Conservation Zone during December, 2016 to March, 2017 ...
Meeting Document : WG-FSA-18/65 : Author(s): J.-W. Kim, S.-G. Choi, S. Chung and D.H. An
-
Summer distribution, abundance and structure of krill populations (Euphausia superba and Euphausia crystallorophias) sampled by plankton net in the western Ross Sea (January–February 2000)
Abstract: Net samples data from the 15th Italian Antarctic Oceanographic Cruise (Jan-Feb 2000 ... ) were analysed to obtain a general picture of the summer distribution pattern, abundance and demography ... of krill in the western Ross Sea (Antarctica). A midwater sampler-trawl (Hamburg Plankton Net) was ... used to collect zooplankton and fish larvae at 63 stations. The net was deployed normally as a standard ...
Meeting Document : WG-EMM-00/38 : Author(s): M. Azzali, A. Sala and G. Brancato (Italy)