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Independent reviews of CCAMLR stock assessments – a discussion paper
Abstract: In 2013 the Commission endorsed the Scientific Committee’s recommendation to develop a ... on this topic and supporting the Scientific Committee in their development of a procedure ... . Independent reviews, in addition to potentially benefitting the CCAMLR stock assessment process, could serve ... reviews are made available to the public. In providing such transparency, external reviews could be used ...
Meeting Document : SC-CAMLR-XXXV/BG/20 : Автор(ы): Delegation of the USA
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COLTO Depredation Workshop
toothfish fisheries, and it was agreed that the scientists who participated in the workshop would produce a ... operational guidelines in regards to depredation. A second depredation workshop is planned for 2018, aimed at ... depredation projects have been developed and will begin in October 2016. The first, a 4-year project covering ... Abstract: The inaugural COLTO Depredation Workshop took place in Punta Arenas, Chile, 15-18 March ...
Meeting Document : SC-CAMLR-XXXV/BG/23 : Автор(ы): Submitted by COLTO
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Dietary composition of juvenile Dissostichus eleginoides (Pisces, Nototheniidae) around Shag Rocks and South Georgia, Antarctica.
Abstract: A diet analysis of the Patagonian toothfish Dissostichus eleginoides, trawled in the ... South Georgia Islands area in March–April 1996, was carried out by frequency of occurrence (F%) and ... ranges of 30–70 cm (TL). Fish was by far the main food on the shelves of Shag Rocks and South Georgia ... by the frequency of occurrence method. Cephalopods and mysids were infrequent in the stomachs, and ...
Meeting Document : WG-FSA-05/P6 : Автор(ы): Casaux, R., Barrera-Oro, E.R., Marschoff, E.R.
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Zooplankton target strength: volumetric or areal dependence?
Born Approximation Model (Chu et al., 1993), indicated that animal behavior is an important factor in ... MHz and the dependence of these data on animal volume versus cross-sectional area was explored The 420 ... system. Experiments were conducted with live, tethered individuals in an enclosure filled with filtered ... normalized by the square of the animal length) versus ka (the product of wave number and equivalent ...
Meeting Document : WG-Krill-94/13 : Автор(ы): D.A. Demer and L.V. Martin (USA)
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An automated weighing and recording system as an aid for the study of the foraging ecology of Adelie penguins (Pygoscelis adeliae)
months. Results show that from hatching (20 Dec-10 Jan) onward males and females deliver a similar mass ... mass of forty five kg was delivered to the colony for each chick raised to fledging. The average ... fledging weight was 3.1kg. The value of the System for large scale data collection in long term monitoring ...
Meeting Document : WG-CEMP-92/20 : Автор(ы): K. Kerry, J. Clarke and G. Else (Australia)
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The diet of Antarctic fur seals Arctocephalus gazella during the breeding season at South Georgia
pattern in three of the four years studied. Of the total number of the myctophid Protomyctophum choriodon ... Euphausia superba was the main prey item, occurring in 88% of all scats (n=497), whereas fish occurred in 47 ... % and squid in 5%. There was considerable intra and inter-annual variation in the characteristics of ... selecting particular sizes of krill and, therefore, that the krill in the diet reflects the krill available ...
Meeting Document : WG-EMM-95/28 : Автор(ы): Arnould, J.P.Y., Reid, K.
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Krill population dynamics at South Georgia: implications for ecosystem-based fisheries management
from surveys conducted in the early, middle and late period of the summers of 2001 to 2005, together ... biomass. Krill abundance was highest during the middle of the summer in 3 years and in the late period in ... 2 years; in the latter there was evidence that krill recruitment was delayed by several months. A ... recruitment in each year showed the greatest correlation with the acoustic series. The results are consistent ...
Meeting Document : WG-EMM-10/P08 : Автор(ы): K. Reid, J.L. Watkins, E.J. Murphy, P.N. Trathan, S. Fielding and P. Enderlein
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Анализ угрозы, которую промысел может представлять для достижения целей предлагаемого МОР "Регион моря Росса"
Zealand and the USA over several years; in this paper we make the underlying logic more explicit, drawing ... objectives identified in the Ross Sea region MPA proposal submitted jointly by New Zealand and the USA ... . Ecosystem threats from fishing potentially undermine the requirements of Article II(3) paragraphs b and c ... . Where particular threats can be foreseen and located in space, MPA designation is one effective means of ...
Meeting Document : SC-CAMLR-IM-I/09 : Автор(ы): Delegations of New Zealand and the USA
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The breeding biology and distribution of Adelie penguins: adaptations to environmental variability
Research (LTER) study of the effects of environmental variability on animal populations in the Antarctic ... of Adelie penguins in the Southern Ocean are variability in sea ice cover, ocean circulation patterns ... and terrestrial topography. We analyzed Adelie distributions in the Antarctic Peninsula region and ... concluded that Adelie penguins have discrete subpopulations in the northeastern and southwestern regions of ...
Meeting Document : WG-EMM-96/58 : Автор(ы): Fraser, W.R., Trivelpiece, W.Z.
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Do Adélie penguin fledgling weights provide an index of prey availability?
Abstract: We examine fledgling weights measured over 11 years at Béchervaise Island in relation ... as strong for the crèche foraging trips later in the season. Fledgling weights which are measured at ... crèche stages of the breeding season. In some seasons, there appeared to be constant levels of resources ... throughout the breeding season resulting in good breeding success with heavy fledglings or poor breeding ...
Meeting Document : WG-EMM-05/21 : Автор(ы): L. Emmerson, C. Southwell and J. Clarke (Australia)
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