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Status and trends of Adelie penguin populations in the Ross Sea region
occupied during the early incubation period. From 1981 to 1987, all islands and sea coasts between 158°E ... Adé1ie rookeries are now known from the region, with a total of about 1,082,1300 breeding pairs – almost ... study the pattern of natural fluctuations in Adé1ie populations, and comparisons have been made with ... earlier counts. Populations at nearly all rookeries have increased in size over the last 10–20 years ...
Meeting Document : WG-CEMP-92/23 : Автор(ы): R.H. Taylor, P.R. Wilson and B.W. Thomas (New Zealand)
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Management of C. gunnari in Subarea 48.3
likelihood of substantial periodic variation in natural mortality rates. These may be associated with ... increased consumption of icefish by Antarctic fur seals in years of poor krill availability. Thus natural ... mortality of icefish may, in some years, increase by a large factor (assumed here to be 4) declining to ... predictions of coming periods of krill scarcity as early warnings of increased natural mortality on icefish ...
Meeting Document : WG-FSA-97/38 : Автор(ы): Kirkwood, G.P., Parkes, G.B., Everson, I., Agnew, D.J.
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The Ross Sea, Antarctica, where all ecosystem processes still remain for study
lost its large baleen whales but otherwise is intact. A huge multidisciplinary, international ... past 45 years. In particular the activities of the US, NZ and Italian Antarctic programs have been a ... biological populations, with these models applied elsewhere in the Southern Ocean and the World. Author(s ...
Meeting Document : WG-EMM-02/60 : Автор(ы): D. Ainley (USA)
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Investigating emigration in stock assessment models of Antarctic toothfish (Dissostichus mawsoni) in Subarea 88.2 SSRUs 88.2C–H
of a cohort of tagged fish with few being recaptured after more than 3 years at liberty, a steepening ... from 1 year at liberty; (ii) SSRU 88.2H using tag recaptures from 3 years at liberty; (iii) SSRUs 88.2C ... 88.2C-H using tag recaptures from 3 years at liberty, but excluding tags from the south. For each model ... and emigration, combined with moderate to high exploitation rates Within a single area model ...
Meeting Document : WG-FSA-14/56 : Автор(ы): S. Mormede, A. Dunn and S.M. Hanchet (New Zealand)
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Norwegian Cruise to Kong Håkons VII Hav 28 February – 10 April 2019
, long line and 3-4 CDT station with extensive water sampling for primary production and water chemistry ... April 2019. Our focus area was the ocean south of 65°S east of 0° meridian and 13.5° E (Fig 1) with a ... . At different depths, we ran ROV transects filming and retrieving samples for later species ... contained in addition to the ROV transect, benthic sampling with appropriate gear, fish and krill trawling ...
Meeting Document : WG-EMM-2019/48 : Автор(ы): H. Steen
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Species profile of mackerel icefish (Champsocephalus gunnari)
Abstract: Mackerel icefish (Champsocephalus gunnari) has been exploited since the early 1970’s ... ’s with annual catches of a few thousand tonnes in each of the two areas. Aspect of the biology and ... information is scattered over various CCAMLR working papers of the last 15 years. The species profile collates ...
Meeting Document : WG-FSA-07/12 : Автор(ы): K.-H. Kock (Germany) and I. Everson (UK)
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Defining predator foraging ranges, illustrated using Adélie penguin foraging tracks from Mawson coast
effort and this is used to delineate a feeding ground for Adélie penguins on the Mawson coast in eastern ... colonies, years, and species to define individual species and pooled foraging ranges. The establishment of ... whether some species with low colony biomass have large proportions of their foraging ranges falling ... foraging grounds. Thus, a comparison of foraging ranges for individual species with the pooled foraging ...
Meeting Document : WG-EMM-02/41 : Автор(ы): I.R. Ball, A.J. Constable, J. Clarke and L. Emmerson (Australia)
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Distribution, biological characteristic and biomass of icefish from the results of inventory trawling survey carried out by STM-8390 Atlantida in January–March 2002
foraging. Champsocephalus gunnary 22-28 cm in length at the age of 2-3 predominated on all grounds of the ... Subarea, except the north-eastern part. During the survey, specimens 15 cm in length at the age of 2 ... at low stomach fullness. On the eastern shelf part, a considerable number of pre-spawning specimens ...
Meeting Document : WG-FSA-02/79 : Автор(ы): Zh.A. Frolkina and P.S. Gasiukov (Russia)
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Relative abundance of large whales around South Georgia
species were rare, with southern right whale sightings being the most common event. Two right whales ... mother-calf pair was observed off the Shag Rocks in February 1997. Extirpation of animals from this ...
Meeting Document : WG-EMM-99/34 : Автор(ы): M.J. Moore (USA), S.D. Berrow (UK), B.A. Jensen (USA), P. Carr (UK), R. Sears (Canada) and V.J. Rowntree, R. Payne and P.K. Hamilton (USA)
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A characterisation of the toothfish fishery in Subareas 88.1 and 88.2 from 1997–98 to 2014–15
Abstract: This report summarises the timing, depth, and location of fishing effort together with ... distributed across the three SSRUs (73% in 88.1H, 22% in 88.1K and 5% in 88.1I). As in recent years, the ... changes in CPUE that were not consistent with biologically driven changes in abundance and are considered ... three years. The strong mode of smaller (90–120 cm TL) toothfish present in the Slope fishery from 2010 ...
Meeting Document : WG-FSA-15/36 : Автор(ы): K. Large, S.M. Hanchet and S. Mormede (New Zealand)
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