Resultados de la búsqueda
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Measurement of ocean temperatures using instruments carried by Antarctic fur seals
Abstract: The study aimed to test the utility of instruments deployed on marine mammals for ... . Seasonal temperature variation was apparent, and temperatures also varied between regions, and with ... bathymetry. These results were consistent with the current interpretation of the coastal oceanography around ...
Meeting Document : WG-EMM-01/56 : Autor(es): I.L. Boyd, E.J. Hawker, M.A. Brandon and I.J. Staniland (United Kingdom)
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Beach debris survey Signy Island, South Orkney Islands, 1998/99
from beaches at Signy may be partly to do with their longevity in the marine environment. The increase ... increased effort to ensure that vessels are aware of, and comply with, regulations prohibiting the disposal ...
Meeting Document : CCAMLR-XVIII/BG/7 : Autor(es): Delegation of the United Kingdom
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Environmental variability and the behavioural dynamics of Antarctic fur seals in the South Atlantic
Abstract: Variability in the reproductive performance of marine predators may be a result of ... to link variability in predator performance with specific measurements of oceanographic variability ... combination with ENSO or sea ice indices. Lagged cross-correlations showed that the ENSO and sea ice indices ...
Meeting Document : WS-AREA 48-98/16 : Autor(es): I.L. Boyd (UK)
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Among-year variation in growth of Antarctic krill Euphausia superba based on length-frequency data
variation are rare because they often require expensive long-term tag-recapture programs. In marine pelagic ... summer. Our estimates of growth align closely with existing estimates of growth, but we provide the first ... ocean chlorophyll but not to other oceanographic indices, contrasting with results from previous studies ...
Meeting Document : WG-EMM-13/P01 : Autor(es): A.O. Shelton, D. Kinzey, C. Reiss, S. Munch, G. Watters and M. Mangel (USA)
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Distribution, density and relative abundance of Antarctic krill estimated by maximum likelihood geostatistics on acoustic data collected during commercial fishing operations
Marine Living Resources (CCAMLR) has initialised a process to make use of acoustic data from commercial ... last one, were also consistent with the full data (monthly) estimate. Highly variable and lower ... time periods. The results suggest that this method, combined with some additional design based coverage ...
Meeting Document : WG-EMM-16/P12 : Autor(es): E.J. Niklitschek and G. Skaret
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Proposal for multi-Member research on the Dissostichus mawsoni exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) from 2018/19 to 2021/22
to the identification of vulnerable marine ecosystem (VME) indicator species (Maschette et al. 2017 ... ). Here, we present a succeeding research proposal with updated research objectives for 2018/19 to 2021/22 ... , in accordance with Annex 24-01/A, Format 2. This succeeding plan has been designed as a 4-year plan ...
Meeting Document : WG-FSA-18/59 : Autor(es): Delegations of Australia, France, Japan, Republic of Korea and Spain
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Continuation of multi-Member research on the Dissostichus mawsoni exploratory fishery in East Antarctica (Divisions 58.4.1 and 58.4.2) from 2018/19 to 2021/22
led to the identification of vulnerable marine ecosystem (VME) indicator species (Maschette et al ... accordance with ANNEX 24-01/A, Format 2. This plan has been designed as a 4-year plan, based on the low risk ... updated with 2019/20 operating details, the inclusion of modelling work under Objective 2, and a re ...
Meeting Document : WG-SAM-2019/05 : Autor(es): Delegations of Australia, France, Japan, Republic of Korea and Spain
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How trophic dynamics of adult Antarctic krill Euphausia superba responses to the condition of no ice in the water during the winter: a case study at South Georgia?
diet of adult krill with size and month during the winter season (June to September 2016) at the South ... N values between sexes of krill. Nitrogen isotope signatures suggested increasing carnivory with ... understanding the energy transfer in the marine food web in the South Georgia ecosystem. Moreover, the ...
Meeting Document : WG-EMM-2019/P04 : Autor(es): G.P. Zhu, H.T. Zhang, B. Deng and Q.Y. Yang
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The diet of the blue-eyed shag Phalacrocorax atriceps during summer at Nelson Island, Antarctica: temporal variations and consumption rates
was 7.4 (range 1-34). Eight hundred and sixty four bird h-1 of observations on 5-7 nests showed that ...
Meeting Document : WG-EMM-95/82 : Autor(es): Silva, P., Barrera-Oro, E., Casaux, R., Favero, M., Coria, N.
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Population dynamics of the wandering albatross Diomedea exulans at Marion Island: long-line fishing and environmental influences
breeders in the population was positively correlated with the maximum ENSO index, whereas the annual ... survival rates of breeding adults were negatively correlated with Japanese pelagic longline fishing effort ... in the southern Indian Ocean. Adult survival rates were significantly correlated with those recorded ... lower than that of males. Males who lost partners took 40% longer than females to find a new mate ...
Meeting Document : WG-EMM-03/11 : Autor(es): D.C. Nel, F. Taylor, P.G. Ryan and J. Cooper (South Africa)