D. J. Agnew, The CCAMLR ecosystem monitoring programme, Antarct. Sci, vol.9, pp.235-242, 1997.

. Anon, Report of the First Technical Experts Workshop of the GOOS Biogeochemistry Panel: Defining Essential Ocean Variables for Biogeochemistry International Ocean Carbon Coordination Project p, pp.13-16, 2013.

A. Atkinson, S. Nicol, S. Kawaguchi, E. A. Pakhomov, L. Quetin et al., Fitting Euphausia superba into Southern Ocean food-web models: a review of data sources and their limitations, CCAMLR Sci, vol.19, pp.219-245, 2012.

A. Atkinson, P. Ward, B. P. Hunt, E. A. Pakhomov, and G. W. Hosie, An overview of Southern Ocean zooplankton data: abundance, biomass, feeding and functional relationships (submitted to the, Joint CCAMLR-IWC Workshop). CCAMLR Sci, vol.19, pp.171-218, 2008.

E. C. Bell, Annual Report of the Southern Ocean Research Partnership (IWC-SORP) 2013/14, 2015.

I. L. Boyd and A. W. Murray, Monitoring a marine ecosystem using responses of upper trophic level predators, Journal of Animal Ecology, vol.109, issue.5, pp.747-760, 2001.
DOI : 10.1046/j.0021-8790.2001.00534.x

T. A. Branch, Abundance of Antarctic blue whales south of 60°S from three complete circumpolar sets of surveys, J. Cetacean Res. Manag, vol.9, pp.253-262, 2007.

A. J. Constable, Developing priority variables (???ecosystem Essential Ocean Variables??? ??? eEOVs) for observing dynamics and change in Southern Ocean ecosystems, Journal of Marine Systems, vol.161, pp.26-41, 2016.
DOI : 10.1016/j.jmarsys.2016.05.003
URL : https://hal.archives-ouvertes.fr/hal-01331642

T. A. Branch and D. S. Butterworth, Estimates of abundance south of 60°S for cetacean species sighted frequently on the98 IWC/IDCR-SOWER sighting surveys, J. Cetacean Res. Manage. Spec. Issue, vol.79, issue.3, pp.251-270, 1978.

T. A. Branch and R. A. Rademeyer, Blue whale estimates from the IDCR-SOWER surveys: updated comparisons including results from the, 1998.

W. Cai, S. K. Avery, M. Leinen, K. Lee, X. Lin et al., Institutional coordination of global ocean observations, Nature Climate Change, vol.3, issue.1, pp.4-6, 2015.
DOI : 10.1016/j.marpol.2014.03.005

C. , 2. Ccamlr, . Hobart, . Australia, and A. J. Constable, The ecosystem approach to managing fisheries: achieving conservation objectives for predators of fished species, Statistical Bulletin. Vols. CCAMLR Sci, vol.27, issue.8, pp.37-64, 2001.

A. J. Constable, Lessons from CCAMLR on the implementation of the ecosystem approach to managing fisheries. Fish Fish, 2011.

A. J. Constable and S. Doust, Southern Ocean Sentinel ? an International Program to Asses Climate Change Impacts on Marine Ecosystems: Report of an International Workshop, 2009.

A. J. Constable, W. K. De-la-mare, D. J. Agnew, I. Everson, and D. Miller, Managing fisheries to conserve the Antarctic marine ecosystem: practical implementation of the Convention on the Conservation of Antarctic Marine Living Resources (CCAMLR), ICES Journal of Marine Science, vol.57, issue.3, pp.778-791, 2000.
DOI : 10.1006/jmsc.2000.0725

A. J. Constable, J. Melbourne-thomas, S. P. Corney, K. R. Arrigo, C. Barbraud et al., Climate change and Southern Ocean ecosystems I: how changes in physical habitats directly affect marine biota, Global Change Biology, vol.157, issue.60, pp.3004-3025, 2014.
DOI : 10.1111/gcb.12623
URL : https://hal.archives-ouvertes.fr/hal-00997457

D. P. Costa, J. M. Klinck, E. E. Hofmann, M. S. Dinniman, and J. M. Burns, Upper ocean variability in west Antarctic Peninsula continental shelf waters as measured using instrumented seals, Deep Sea Research Part II: Topical Studies in Oceanography, vol.55, issue.3-4, pp.323-337, 2008.
DOI : 10.1016/j.dsr2.2007.11.003

D. P. Costa, L. Huckstadt, D. Crocker, B. Mcdonald, M. Goebel et al., Approaches to studying climate change and its role on the habitat selection of Antarctic pinnipeds, Integr. Comp. Biol, 2010.

W. K. De-la-mare and A. J. Constable, Utilising data from ecosystem monitoring for managing fisheries: development of statistical summaries of indices arising from the CCAMLR Ecosystem Monitoring Program, CCAMLR Sci, vol.7, pp.101-117, 2000.

S. Dong, J. Sprintall, S. T. Gille, and L. Talley, Southern Ocean mixed-layer depth from Argo float profiles, Journal of Geophysical Research, vol.400, issue.suppl., p.6013, 2008.
DOI : 10.1029/2006JC004051

H. Ducklow, W. Fraser, M. Meredith, S. Stammerjohn, S. Doney et al., West Antarctic Peninsula: An Ice-Dependent Coastal Marine Ecosystem in Transition, Oceanography, vol.26, issue.3, pp.190-203, 2013.
DOI : 10.5670/oceanog.2013.62

S. Z. El-sayed, Southern Ocean Ecology: The BIOMASS Perspective, 1994.

P. T. Fretwell and P. N. Trathan, Penguins from space: faecal stains reveal the location of emperor penguin colonies, Global Ecology and Biogeography, vol.60, issue.5, pp.543-552, 2009.
DOI : 10.1111/j.1466-8238.2009.00467.x

E. Fulton and J. Link, Modeling approaches for marine ecosystem-based management The Sea, 2014.

E. A. Fulton, A. D. Smith, and A. E. Punt, Which ecological indicators can robustly detect effects of fishing?, ICES Journal of Marine Science, vol.62, issue.3, pp.540-551, 2005.
DOI : 10.1016/j.icesjms.2004.12.012

E. A. Fulton, A. D. Smith, D. C. Smith, and P. Johnson, An Integrated Approach Is Needed for Ecosystem Based Fisheries Management: Insights from Ecosystem-Level Management Strategy Evaluation, PLoS ONE, vol.6, issue.1, p.84242, 2014.
DOI : 10.1371/journal.pone.0084242.s008

S. M. Garcia and D. Staples, Sustainability reference systems and indicators for responsible marine capture fisheries: a review of concepts and elements for a set of guidelines, Marine and Freshwater Research, vol.51, issue.5, pp.385-426, 2000.
DOI : 10.1071/MF99092

J. Gutt, N. Bertler, T. J. Bracegirdle, A. Buschmann, J. Comiso et al., The Southern Ocean ecosystem under multiple climate change stresses - an integrated circumpolar assessment, Global Change Biology, vol.13, issue.4, pp.1434-1453, 2015.
DOI : 10.1111/gcb.12794

K. R. Hayes, J. M. Dambacher, G. R. Hosack, N. J. Bax, P. K. Dunstan et al., Identifying indicators and essential variables for marine ecosystems, Ecological Indicators, vol.57, pp.409-419, 2015.
DOI : 10.1016/j.ecolind.2015.05.006

S. A. Henson, C. Beaulieu, and R. Lampitt, Observing climate change trends in ocean biogeochemistry: when and where, Global Change Biology, vol.80, issue.4, pp.1561-1571, 2016.
DOI : 10.1111/gcb.13152

S. L. Hill, K. Keeble, A. Atkinson, and E. J. Murphy, A foodweb model to explore uncertainties in the South Georgia shelf pelagic ecosystem, Deep Sea Research Part II: Topical Studies in Oceanography, vol.59, issue.60, pp.237-252, 2012.
DOI : 10.1016/j.dsr2.2011.09.001

S. L. Hill, T. Phillips, and A. Atkinson, Potential Climate Change Effects on the Habitat of Antarctic Krill in the Weddell Quadrant of the Southern Ocean, PLoS ONE, vol.338, issue.12, p.72246, 2013.
DOI : 10.1371/journal.pone.0072246.s005

M. A. Hindell, C. J. Bradshaw, R. Harcourt, and C. Guinet, Ecosystem monitoring: are seals a potential tool for monitoring change in marine systems? Marine Mammals. Fisheries, Tourism and Management Issues, Ship-based Repeat Hydrography: A Strategy for a Sustained Global Programme . (IOC Technical Series, 2003.

G. W. Hosie, M. Fukuchi, and S. Kawaguchi, Development of the Southern Ocean Continuous Plankton Recorder survey, Progress in Oceanography, vol.58, issue.2-4, pp.263-283, 2003.
DOI : 10.1016/j.pocean.2003.08.007

G. Hosie, S. Mormède, J. Kitchener, K. Takahashi, B. Raymond et al., Near-surface zooplankton communities, Biogeographic Atlas of the Southern Ocean. Scientific Committee on Antarctic Research, pp.322-430, 2014.

C. B. Field, V. R. Barros, D. J. Dokken, K. J. Mach, M. D. Mastrandrea et al., Summary for Policymakers, Climate Change 2014: Impacts, Adaptation, and Vulnerability. Part A: Global and Sectoral Aspects. Contribution of Working Group II to the Fifth Assessment Report of the Intergovernmental Panel on Climate Change, pp.1-32, 2014.
DOI : 10.1017/CBO9781107415379.003

S. Jennings, Indicators to support an ecosystem approach to fisheries, Fish and Fisheries, vol.120, issue.3, pp.212-232, 2005.
DOI : 10.1006/jmsc.2000.0744

R. Johnson, P. G. Strutton, S. W. Wright, A. Mcminn, and K. M. Meiners, Three improved satellite chlorophyll algorithms for the Southern Ocean, Journal of Geophysical Research: Oceans, vol.57, issue.48, pp.3694-3703, 2013.
DOI : 10.1029/2003EO480003

A. Kahl, W. Fraser, and O. Schofield, Autonomous Gliders Reveal Features of the Water Column Associated with Foraging by Adelie Penguins, Integrative and Comparative Biology, vol.50, issue.6, 2010.
DOI : 10.1093/icb/icq098

D. E. Kaufman, M. A. Friedrichs, S. Jr, W. O. Queste, B. Y. Heywood et al., Biogeochemical variability in the southern Ross Sea as observed by a glider deployment. Deep-Sea Res. I 92, pp.93-106, 2014.

M. Kavanaugh, F. Abdala, H. Ducklow, D. Glover, W. Fraser et al., Effect of continental shelf canyons on phytoplankton biomass and community composition along the western Antarctic Peninsula, Marine Ecology Progress Series, vol.524, pp.11-26, 2015.
DOI : 10.3354/meps11189

S. Kawaguchi, S. G. Candy, R. King, M. Naganobu, and S. Nicol, Modelling growth of Antarctic krill. I. Growth trends with sex, length, season, and region, Marine Ecology Progress Series, vol.306, pp.1-15, 2006.
DOI : 10.3354/meps306001

I. Kennicutt, M. Chown, S. Cassano, J. Liggett, D. Massom et al., Polar research: Six priorities for Antarctic science, Nature, vol.512, issue.7512, pp.23-25, 2014.
DOI : 10.1038/512023a

T. Kikuchi, J. Inoue, and D. Langevin, Argo-type profiling float observations under the Arctic multiyear ice, Deep Sea Research Part I: Oceanographic Research Papers, vol.54, issue.9, pp.1675-1686, 2007.
DOI : 10.1016/j.dsr.2007.05.011

K. Kock, E. Barrera-oro, M. Belchier, M. A. Collins, G. Duhamel et al., The role of fish as predators of krill (Euphausia superba) and other pelagic resources in the Southern Ocean, CCAMLR Sci, vol.19, pp.115-169, 2012.

R. Leaper and C. Miller, Management of Antarctic baleen whales amid past exploitation, current threats and complex marine ecosystems, Antarctic Science, vol.37, issue.06, pp.503-529, 2011.
DOI : 10.1007/BF00214848

E. Lindstrom, J. Gunn, A. Fischer, A. Mccurdy, and L. K. Glover, A Framework for Ocean Observing: Prepared by the Task Team for an Integrated Framework for Sustained Ocean Observing (IFSOO), UNESCO, p.28, 2012.
DOI : 10.5270/OceanObs09-FOO

H. J. Lynch, R. Naveen, P. N. Trathan, and W. F. Fagan, Spatially integrated assessment reveals widespread changes in penguin populations on the Antarctic Peninsula, Ecology, vol.93, issue.6, pp.1367-1377, 2012.
DOI : 10.1029/2000JC000733

M. Masutani, T. W. Schlatter, R. M. Errico, A. Stoffelen, E. Andersson et al., Observing System Simulation Experiments, Data Assimilation: Making Sense of Observations, pp.647-679, 2010.
DOI : 10.1007/978-3-540-74703-1_24

K. M. Meiners, M. Vancoppenolle, S. Thanassekos, G. S. Dieckmann, D. N. Thomas et al., Chlorophyll a in Antarctic sea ice from historical ice core data, Geophys. Res. Lett, vol.39, p.21602, 2012.
URL : https://hal.archives-ouvertes.fr/hal-00763108

J. Melbourne-thomas, A. Constable, S. Wotherspoon, and B. Raymond, Testing Paradigms of Ecosystem Change under Climate Warming in Antarctica, PLoS ONE, vol.454, issue.126, p.55093, 2013.
DOI : 10.1371/journal.pone.0055093.s004

M. P. Meredith, O. Schofield, L. Newman, E. Urban, and M. Sparrow, The vision for a Southern Ocean Observing System, Current Opinion in Environmental Sustainability, vol.5, issue.3-4, pp.306-313, 2013.
DOI : 10.1016/j.cosust.2013.03.002

E. J. Murphy and E. E. Hofmann, End-to-end in Southern Ocean ecosystems, Current Opinion in Environmental Sustainability, vol.4, issue.3, pp.264-271, 2012.
DOI : 10.1016/j.cosust.2012.05.005

E. J. Murphy, R. D. Cavanagh, E. E. Hofmann, S. L. Hill, A. J. Constable et al., Developing integrated models of Southern Ocean food webs: Including ecological complexity, accounting for uncertainty and the importance of scale, Progress in Oceanography, vol.102, pp.74-92, 2012.
DOI : 10.1016/j.pocean.2012.03.006

E. J. Murphy, E. E. Hofmann, J. L. Watkins, N. M. Johnston, A. Pinones et al., Comparison of the structure and function of Southern Ocean regional ecosystems: The Antarctic Peninsula and South Georgia, Journal of Marine Systems, vol.109, issue.110, pp.22-42, 2013.
DOI : 10.1016/j.jmarsys.2012.03.011
URL : https://hal.archives-ouvertes.fr/hal-00950744

N. Larson, J. Anisimov, O. Constable, A. J. Hollowed, A. Maynard et al., Chapter 28: polar regions, Climate Change 2014: Impacts, Adaptation, and Vulnerability. Report of Working Group II. Intergovernmental Panel on Climate Change, 2014.

R. I. Perry, P. Livingston, and E. A. Fulton, Ecosystem indicators, Report of Working Group 19 on Ecosystem-based Management Science and its Application to the North PacificPICES Scientific Report No. 37. North Pacific Marine Science Organization (PICES), pp.83-89, 2010.

R. H. Peters, A Critique for Ecology, 1991.

M. H. Pinkerton, J. M. Bradford-grieve, and S. M. Hanchet, A balanced model of the food web of the Ross Sea, Antarctica. CCAMLR Sci, vol.17, pp.1-31, 2010.

N. Ratcliffe and P. Trathan, A review of the diet and at-sea distribution of penguins breeding within the CAMLR Convention Area (submitted to the, Joint CCAMLR-IWC Workshop). CCAMLR Sci, vol.18, pp.75-114, 2008.

B. Raymond, M. Lea, T. Patterson, V. Andrews-goff, R. Sharples et al., Important marine habitat off east Antarctica revealed by two decades of multi-species predator tracking, Ecography, vol.278, issue.2, pp.121-129, 2014.
DOI : 10.1111/ecog.01021
URL : https://hal.archives-ouvertes.fr/hal-01076443

J. C. Rice and M. Rochet, A framework for selecting a suite of indicators for fisheries management, ICES Journal of Marine Science, vol.62, issue.3, pp.516-527, 2005.
DOI : 10.1016/j.icesjms.2005.01.003

A. Rogers, N. Johnston, E. Murphy, and A. Clarke, Antarctic Ecosystems: An Extreme Environment in a Changing World, 2012.
DOI : 10.1002/9781444347241

O. Schofield, H. Ducklow, K. Bernard, S. Doney, D. Fraser-patterson et al., Penguin Biogeography Along the West Antarctic Peninsula: Testing the Canyon Hypothesis with Palmer LTER Observationsf, Oceanography, vol.26, issue.3, pp.78-80, 2013.
DOI : 10.5670/oceanog.2013.63

Y. Shin and L. J. Shannon, Using indicators for evaluating, comparing, and communicating the ecological status of exploited marine ecosystems. 1. The IndiSeas project, ICES Journal of Marine Science, vol.67, issue.4, pp.686-691, 2010.
DOI : 10.1093/icesjms/fsp273

G. Siedler, J. Church, and J. Gould, Ocean Circulation and Climate: Observing and Modelling the Global Ocean, 2001.

C. Southwell, J. Bengtson, M. Bester, A. S. Blix, H. Bornemann et al., A review of data on abundance, trends in abundance, habitat use and diet of ice-breeding seals in the Southern Ocean, CCAMLR Sci, vol.19, pp.49-74, 2012.

C. Southwell, L. Emmerson, J. Mckinlay, K. Newbery, A. Takahashi et al., Spatially Extensive Standardized Surveys Reveal Widespread, Multi-Decadal Increase in East Antarctic Ad??lie Penguin Populations, PLOS ONE, vol.37, issue.10, 2015.
DOI : 10.1371/journal.pone.0139877.s003

S. Stammerjohn, D. Martinson, R. Smith, X. Yuan, and D. Rind, Trends in Antarctic annual sea ice retreat and advance and their relation to El Ni??o???Southern Oscillation and Southern Annular Mode variability, Journal of Geophysical Research, vol.107, issue.C5, pp.3-90, 2008.
DOI : 10.1029/2007JC004269

P. G. Strutton, N. S. Lovenduski, M. Mongin, and R. Matear, Quantification of Southern Ocean phytoplankton biomass and primary productivity via satellite observations and biogeochemical models, 2012.

T. Tin, Z. L. Fleming, K. A. Hughes, D. G. Ainley, P. Convey et al., Impacts of local human activities on the Antarctic environment, Antarctic Science, vol.64, issue.01, pp.3-33, 2009.
DOI : 10.1126/science.1132294

J. Turner, R. Bindschadler, P. Convey, G. Di-prisco, E. Fahrbach et al., Antarctic Climate Change and the Environment . SCAR, p.526, 2009.
URL : https://hal.archives-ouvertes.fr/hal-01245550

J. A. Turner, N. E. Barrand, T. J. Bracegirdle, P. Convey, D. A. Hodgson et al., Antarctic climate change and the environment: an update, Polar Record, vol.56, issue.03, pp.1-23, 2013.
DOI : 10.1007/s00382-010-0977-x

J. L. Watkins, R. Hewitt, M. Naganobu, and V. Sushin, The CCAMLR 2000 Survey: a multinational, multi-ship biological oceanography survey of the Atlantic sector of the Southern Ocean, Deep Sea Research Part II: Topical Studies in Oceanography, vol.51, issue.12-13, pp.1205-1213, 2004.
DOI : 10.1016/S0967-0645(04)00075-X

A. Zerbini, P. Clapham, and P. Wade, Assessing plausible rates of population growth in humpback whales from life-history data, Marine Biology, vol.53, issue.11, pp.1225-1236, 2010.
DOI : 10.1007/s00227-010-1403-y