Search results
-
Characterising the preferred at-sea habitats used by chinstrap penguins and the fishery for Antarctic krill: slow-flowing, nearshore waters over shallow bathymetry
Abstract: We show that the preferred habitat models developed by Warwick-Evans et al. (2017) for ... chinstrap penguins breeding at the South Orkney Islands, can be modified to predict the at-sea distribution ... of chinstraps breeding at the South Shetland Islands, based on the distance from the colony, and the ... bearing to the shelf edge, adjusting for the at-sea density of Pygoscelis penguins from other colonies ...
Meeting Document : WG-EMM-17/34 : Author(s): P.N. Trathan, V. Warwick-Evans, J. Hinke, E.F. Young, A.P.B. Carneiro, M.P. Dias, K. Kovacs, O.R. Godø and M. Santos
-
THE HISTOLOGICAL ANALYSIS OF OOGENESIS AND MATURITY OF ANTARCTIC TOOTHFISH FROM THE ROSS SEA
Abstract: The results of the histological analysis of the Antarctic toothfish (Dissostichus ... mawsoni) reproductive system, caught in December- February 2005/2006 in the Ross Sea are presented. The ... morphological parameters, indices of gonads and condition by Fulton have been described. The histological ... criteria of the assessment of the ovary maturity stages, cytological parameters of oocytes and type of the ...
Meeting Document : WG-FSA-09/26 : Author(s): S.V. Piyanova and A.F. Petrov (Russia)
-
An interpretation of the growth of the Adelie penguin rookery at Cape Royds, 1955-1990
Abstract: The population dynamics of the Cape Royds rookery were modelled by computer, in order ... to determine the probable causes of the dramatic increase since 1980 in the numbers of Adelie ... penguins, Pygoscelis adeliae, breeding in the Ross Sea region, Antarctica. Variations in the extent of sea ... -ice around the rookery during incubation and chick rearing cannot feasibly explain the population ...
Meeting Document : WG-CEMP-92/21 : Author(s): N. Blackburn (Denmark), R.H. Taylor and P.R. Wilson (New Zealand)
-
Results of the Spanish exploratory longline fishery for Dissostichus spp. in Divisions 58.4.1 and 58.4.2 in the 2013/14 season
Abstract: Following the Spanish research plan approved by the SC-CCAMLR XXXII, during the second ... year of the multi-year research survey in Divisions 58.4.1 and 58.4.2, the F/V Tronio has returned to ... the same places surveyed in the 2012/13 season, as well as expanded the experience westwards to the ... 58.4.1D and 58.4.1C SSRUs. A prospective estimation of the local biomass (B LOC) of one localized area ...
Meeting Document : WG-SAM-14/12 Rev. 1 : Author(s): R. Sarralde, L.J. López-Abellán and S. Barreiro (Spain)
-
On the scientific observation and krill escape mortality in the krill fishery
Abstract: For several years (2006-2009) the Ukraine has been proposing that international or ... national scientific observer onboard krill fishing vessel became mandatory. In 2008, the Ukraine ... highlighted the magnitude of the scientific uncertainties and data gaps that are hampering progress with ... regards to the subdivision of the precautionary catch limit among SSMUs in Area 48 (CCAMLR XXVII/43 ...
Meeting Document : CCAMLR-XXIX/45 : Author(s): Delegation of Ukraine
-
Preliminary report on SO-AntEco (South Orkneys – State of the Antarctic Ecosystem) benthic survey (JR15005) around the South Orkney Plateau (February–March 2016)
Abstract: The RRS James Clark Ross carried out a benthic scientific research voyage around the ... South Orkney Plateau in February-March 2016. The Expedition, led by the British Antarctic Survey, was in ... collaboration with the Scientific Committee for Antarctic Research (SCAR) State of the Antarctic Ecosystem ... (AntEco) research programme, including scientists from 8 CCAMLR members. The main purpose of the voyage ...
Meeting Document : WG-EMM-16/13 Rev. 1 : Author(s): H. Griffiths, S. Grant, K. Linse, P. Trathan and the SO-AntEco scientific team
-
How fishing and marine protection can coexist in the Southern Ocean: An economic analysis of the Ross Sea and East Antarctic MPA proposals
Abstract: This paper discusses the two current marine protected area (MPA) proposals, for East ... Antarctica and for the Ross Sea, and assesses their potential economic impact on commercial fishing for ... Antarctic toothfish (Dissostichus mawsoni) and Antarctic krill (Euphausia superba). The paper concludes that ... the proposed MPAs will have a minimal impact on current overall catch limits for the target stocks ...
Meeting Document : CCAMLR-XXXV/BG/23 Rev. 1 : Author(s): Submitted by ASOC
-
Scientific contribution to the 2016 review of Conservation Measure 51-07: Part 1 – rationale, method and data for a risk assessment framework for distributing the krill trigger level
Conservation Measure 51-07, which is due to lapse at the end of the 2015/16 fishing season, and presented its ... undertaken to further develop a risk assessment approach to spatially subdivide the trigger level through an ... e-group and to deliver these outputs to Scientific Committee. The risk assessment approach for ... subdividing the trigger level in CM 51-07 aims to minimise the risk to predator populations, in particular ...
Meeting Document : WG-FSA-16/47 Rev. 1 : Author(s): A. Constable (on behalf of the e-group on CM 51-07 WG-EMM review)
-
Integrating Climate and Ecosystem Dynamics in the Southern Ocean (ICED) programme: Preliminary report of the ICED–CCAMLR Projections Workshop, 5 to 7 April 2018
Abstract: Climate change will alter the structure and functioning of Southern Ocean ecosystems ... and affect the ecosystem services they provide. The impacts of climate change will require development ... population dynamics. A recent collaborative workshop between the Integrating Climate and Ecosystem Dynamics ... in the Southern Ocean (ICED) programme and CCAMLR brought together a range of ecologists, physical ...
Meeting Document : WG-EMM-18/09 : Author(s): E.J. Murphy, N.M. Johnston, S.P. Corney and K. Reid
-
Modelling the predator–prey interactions of krill, baleen whales and seals in the Antarctic ecosystem
Abstract: The history of human harvests of seals, whales, fish and krill in the Antarctic is ... summarized briefly, and the central role played by krill emphasized. The background to the hypothesis of a ... krill surplus in the mid 20th Century is described, and the information on population and trend levels ... that has become available since the postulate was first advanced is discussed. The objective of the ...
Meeting Document : WG-EMM-05/34 : Author(s): M. Mori and D.S. Butterworth (South Africa)