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Ecological implications of body composition and thermal capabilities in young Antarctic fur seals (Arctocephalus gazella)
source of energy and a major component of insulation that allow them to meet these demands. To examine ... the role of lipid stores in a high-latitude pinniped, the body composition and thermoregulatory ... capabilities of Antarctic fur seal (Arctocephalus gazella) pups and yearlings were measured via flow-through ... respirometry and hydrogen isotope dilution. From these data we constructed a model to examine the importance of ...
Meeting Document : WG-EMM-04/69 : Автор(ы): M.R. Rutishauser, D.P. Costa, M.E. Goebel and T.M. Williams (USA)
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Updated description of Patagonian toothfish (Dissostichus eleginoides) tagging and ageing programs in Division 58.5.2, 1997–2015
, considerably adding to information on the structure of the population. The ageing program at AAD has produced ... Abstract: In 2014, CCAMLR endorsed a TAC of 4410 t of Patagonian toothfish in Division 58.5.2 ... an additional 2559 estimates of age, for fish captured during the 2014 and 2015 Random Stratified ... previous maximum age estimate of 42 years. These data have been used to develop age length keys and a ...
Meeting Document : WG-FSA-15/55 : Автор(ы): D.C. Welsford, B. Farmer, T.D. Lamb, C. Péron, E. Woodcock and P.E. Ziegler (Australia)
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Spatial distribution and swarm characteristics of Antarctic krill around the South Shetland Islands
Abstract: The spatial distribution and swarm characteristics of Antarctic krill were studied ... , thickness and length of swarms were estimated from the 120kHz data. The full spatial distributions of ... than the other three years. The results also indicated that more krill swarms located at deeper water ... majority of swarms were also found in the upper 100 m layer. The swarm-based method provides a promising ...
Meeting Document : WG-EMM-18/42 : Автор(ы): X. Yu, X. Wang and X. Zhao
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A versatile approach to minimise damage or loss of longline gear due to sea-ice
Abstract: At SAM 2019, there were again reports on damage and/or loss of longline gear, most ... quickly varying sea ice cover, there is an increased risk that any parts of longline gear floating on the ... buoy recovery systems for short-term deployment of scientific instruments on the sea floor and invites ... FSA to: (1) to (re-)discuss the issue of damage or loss of longline gear due to sea ice, including the ...
Meeting Document : WG-FSA-2019/04 : Автор(ы): S. Hain, T. Brey and K. Teschke
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RESPONSE OF ANTARCTIC BENTHIC COMMUNITIES TO DISTURBANCE: WRST RESULTS FROM THE ARTIWCIAL BENTHIC DISTURBANCE EXPERIMENT ON THE EASTERN WEDDELL SEA SHELF, ANTARCTICA
simulate the impact of grounding icebergs on the seabed and follow the steps and timescales of recovery of ... this experimental field study. By means of 11 densely-placed hauls with a modified bottom trawl, a ... seabed area of approximately 100 x 1000 m was artificially scoured to inflict a similar damage to the ... drastically reduced by a factor of 10, while mean abundances were only slightly reduced. Demersal fish biomass ...
Meeting Document : WS-VME-09/P05 : Автор(ы): Rossi, S., Mintenbeck, K., Knust, R., Isla, E., Gerdes, D.
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Population dynamics of wandering albatross Diomedea exulans and Amsterdam albatross D. amsterdamensis in the Indian Ocean and their relationships with longline fisheries: conservation implications
Abstract: Studies carried out over the past three decades at Crozet and Kerguelen Islands in the ... 1986 have shown slow recovery. The population of the endangered Amsterdam albatross Diomedea ... study of the Crozet population indicates that the earlier decline was mainly the result of increased ... adult mortality, and secondarily of low recruitment. Satellite tracking studies of breeding birds and ...
Meeting Document : WG-FSA-96/09 : Автор(ы): Jouventin, P., Brothers, N., Weimerskirch, H.
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Apparent decrease of Weddell seal numbers in the western Ross Sea
imagery during 2008-2012 indicated many fewer Weddell seals (Leptonychotes weddellii) at the two major ... Edisto-Moubray as well. The timing of decline, or perhaps spreading (low numbers of seals in more places ... . We analyzed both historic and satellite-derived ice data but found only an expansion of pack ice in ... the larger region and a thinning of fast ice along Victoria Land (conceivably beneficial to seals ...
Meeting Document : WG-EMM-14/44 : Автор(ы): D.G. Ainley, M.A. Larue (USA), I. Stirling (Canada), S. Stammerjohn and D.B. Siniff (USA)
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On dispersion of different pelagic organisms, forming Antarctic backscattering in South Sandwich subarea during January–February 2000
. At the depth of more than 90m principle backscattering recorders can be pertained to myctophid fish ... Abstract: In the paper these have been discussed the results of acoustic estimation of ... myctophid fish species. There have been obtained differences between spatial distribution of different ... groups of pelagic organisms. One can reveal, basing on the results of surveying, the influence of water ...
Meeting Document : WG-EMM-01/61 : Автор(ы): S.M. Kasatkina and A.P. Malyshko (Russia)
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Estimating uncertainty in local biomass estimates of toothfish in CCAMLR in Subareas 58.4 and 48.6 research blocks
estimates. For Patagonian toothfish in Subarea 58.4 the confidence intervals of both methods overlapped in ... underlying assumptions currently made in one or both of the methods are likely to be invalid. We recommend ... estimation methods at the Research Block scale and prioritise resolving issues in Research Blocks that show ... uncertainty in local biomass estimates of toothfish in CCAMLR in Subareas 58.4 and 48.6 research blocks ...
Meeting Document : WG-SAM-17/12 : Автор(ы): L. Robinson, P. Burch and K. Reid
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Report of a domestic workshop to identify U.S. stakeholders’ objectives and protection priorities for one or more marine protected areas in Planning Domain 1
studies,” and ten other candidates. Participants at the workshop prioritized protection of the ... Abstract: The United States has substantive interests within the boundaries of Planning Domain 1 ... domestic workshop to develop background information relevant to the establishment of one or more marine ... protected areas (MPAs) therein. Key products from the workshop include a list of the types of specific ...
Meeting Document : WG-EMM-15/34 : Автор(ы): G. Watters (USA)
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