Resultados de la búsqueda
-
Mercury concentrations of five species of Antarctic fish collected from CCAMLR Subareas 88.1 and 88.2
differences in diet, growth and longevity, and location. We conclude that these results can only be explained ... . mawsoni. The three prey species had intermediate mercury levels, with Whitson’s grenadier (Macrourus ... dewitti) and blue antimora (Antimora rostrata) were at low levels, similar to that of D. mawsoni. Mercury ... levels were positively correlated with fish length in four of the species. Mercury levels also showed ...
Meeting Document : WG-FSA-07/24 : Autor(es): S.M. Hanchet, D.M. Tracey, A. Dunn, P.L. Horn and N. Smith (New Zealand)
-
SC-CAMLR work on Climate Change (Paper XP19 to CEP–SC-CAMLR Workshop 2016)
Abstract: ATCM 39/XP019 discusses the work of SC-CAMLR on climate change. It notes that the ... the Antarctic marine ecosystem relative to the Reference State and whether actions may be required to ... that climate change has been appearing regularly in discussions in SC-CAMLR since 2002 and came on to ... framework for identifying when climate change impacts may need attention from the Commission, along with ...
Meeting Document : WG-EMM-16/71 : Autor(es): A. Constable
-
Fishery Report: Champsocephalus gunnari South Georgia (Subarea 48.3)
from the length-density plot, with the standard deviations constrained to be linearly related to the ... investigated by comparing the acoustic backscatter attributable to icefish in the 0–6 m zone with that more ... projections. (iii) The Working Group also suggested that on future surveys pelagic trawls be used to assess ... undertake 20 research trawls, but asked that this be reviewed by WG-FSA-08. 27. The Working Group noted ...
Document : Site Section: Publications
-
DOWN-SCALING FOOSA TO MODEL THE ADMIRALTY BAY PYGOSCELID PENGUIN COLONIES: A WORK IN PROGRESS
that Foosa capably captures the general trends in adult abundance at Admiralty Bay with minimal formal ... -recruitment dynamics suggest that understanding predatory effects on juveniles may be fundamental for ... helps to explain trends in adult abundance. From a bottom-up perspective, there appears to be a trade ... abundance data, we propose future work that includes, inter alia, expanding the spatial scope to account for ...
Meeting Document : WG-EMM-08/51 : Autor(es): J.T. Hinke, G.M. Watters and W.Z. Trivelpiece (USA)
-
A preliminary population status model for the Patagonian toothfish, Dissostichus eleginoides, on the Kerguelen Plateau (Divisions 58.5.1 and 58.5.2) using CASAL
, indicating that the SSB0 and stock status estimates still need to be interpreted with caution. Continuing pre ... . Analysis of genetic, demographic and tagging data indicates that toothfish form a metapopulation in this ... . Preliminary results indicate that illegal fishing in the late 1990s and early 2000s lead to a rapid decline in ... substantial decline in catch rates seen in the French EEZ concurrent with illegal activities are poor ...
Meeting Document : WG-SAM-11/20 : Autor(es): S.G. Candy (Australia), A. Relot, G. Duhamel (France), D.C. Welsford, A.J. Constable, T.D. Lamb (Australia), P. Pruvost and N. Gasco (France)
-
SO-AntEco: Contributing information and scientific advice on benthic biodiversity in the South Orkney Islands (Domain 1) region
, 2014). The benthic assemblages of the SOISS MPA region were found to be strongly correlated with ... gears used (shallow underwater camera system and Agassiz trawl). We conclude that camera systems may be ... and other local physical influences; however, the utility of such classifications may be improved with ... with an international team of scientists from the Scientific Committee for Antarctic Research (SCAR ...
Meeting Document : WG-EMM-17/37 : Autor(es): M.J. Brasier, S.M. Grant, P.N. Trathan, L. Allcock, O.S. Ashford, H. Blagbrough, A. Brandt, B. Danis, R. Downey, M. Eléaume, P. Enderlein, C. Ghiglione, O. Hogg, K. Linse, M. Mackenzie, C. Moreau, L. Robinson, E. Rodríguez, V. Spiridonov, A. Tate, M. Taylor, C. Waller, H. Wiklund and H.J. Griffiths
-
Antarctic seafloor geomorphology as a guide to benthic bioregionalisation
with benthic communities have found links strong enough to suggest that geomorphology is a useful first ... Abstract: Publicly available bathymetry and geophysical data can be used to map geomorphic ... geomorphic features identified and their properties can be related to major habitat characteristics such as ... geomorphic mapping provides insights into major processes that are likely to influence benthic habitats. The ...
Meeting Document : SC-CAMLR-XXVI/BG/27 : Autor(es): Delegation of Australia
-
Response to Everson (2008)
these scales – that are most consistent with the observed survey data – to be used in the estimation ... reasons for their differences, be understood. Dr Everson has suggested that the mismatch between the ... wrong’ with either or both methods, and has implied that since, in his opinion, the MaxEnt approach is ... , particularly in the ways in which SD is calculated, and it is essential that these differences be considered ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 195–198 : Autor(es): Brierley, A.S., B.G. Heywood and S.F. Gull
-
Concluye la serie de reuniones de expertos en temas antárticos
reviewed the outcomes of that meeting, and the outcomes of several other specialist working groups ... November with the Meeting of the Commission, CCAMLR’s decision-making body. Research and monitoring plans ... to ability to detect future IUU activity. The Commission agreed that seven new vulnerable marine ... ecosystems (VMEs) will be included on the CCAMLR VME registry – four sites in the western Antarctic Peninsula ...
Page : Site Section: The Organisation
-
Marine ecosystem acoustics (MEA): quantifying processes in the sea at the spatio-temporal scales on which they occur
monitoring. Realistic understanding of what can and cannot be achieved with the available sampling techniques ... monitoring and assessment practices and it is to be hoped that they also promote and facilitate interaction ... . Conventional sampling by physical capture is inconsistent with the spatial and temporal scales on which many of ... these processes occur. In contrast, acoustic observations can be obtained on spatial scales from ...
Meeting Document : WG-EMM-15/P01 : Autor(es): O.R. Godø, N.O. Handegard, H.I. Browman, G.J. Macaulay, S. Kaartvedt, J. Giske, E. Ona, G. Huse and E. Johnsen