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Report on the effectiveness of integrated weight (fast sinking) longlines in reducing the mortality of white-chinned petrels and sooty shearwaters in autoline longline fisheries
sooty shearwaters (Puffinus griseus) killed by unweighted longlines (UW; mean sink rate to 20 m depth ... : 0.11 m/s) and longlines containing 50 g lead/m integrated weight (IW; mean sink rate: 0.24 m/s) was ... for each pair of magazines or lines by counting dead birds during line hauling. In 2002 80 white ... -chinned petrels were caught on UW lines compared to one white-chinned petrel on IW; the reduction in ...
Meeting Document : WG-FSA-04/72 : Автор(ы): G. Robertson (Australia), N. Smith (New Zealand), B. Wienecke and S. Candy (Australia)
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Fishing of the Patagonian toothfish (Dissostichus eleginoides) by the Chilean fleet (1991/92) in the Subarea 48.3 (South Georgia Island) and proposed TAC for the 1991/1993 season
the location of the hauls two separate fishing grounds could be clearly distinguished: the first one ... , the fleet caught around 80% of the TAC set for this subarea. The catch and effort data and the ... at the north of South Georgia Island, including Black and Shag rocks, and the second one at the South ... using two methodological approaches: pseudo-cohort analysis and DeLury’s method. The total catch ...
Meeting Document : WG-FSA-92/24 : Автор(ы): P.A. Espina, M.A. Araya and V.V. Meniconi (Chile)
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Population identity, site-fidelity, movement ranges and preliminary estimates of abundance of southern right whales in the Antarctic Indian sector inferred from genetic markers
abundance based on ‘mark-recapture’ methods in the Antarctic Indian sector (i.e., between 80°-135°E and ... south of 60°S). In total, 157 biopsy samples were collected as skin biopsies from free-ranging whales ... multi-locus genotypes was supported by mtDNA, sex determination, and in two cases where pictures were ... return to the same location in the Antarctic Indian sector in subsequent years. The average longitudinal ...
Meeting Document : WG-EMM-18/18 : Автор(ы): L.A Pastene, M. Goto, P. Acuña, M. Taguchi, T. Hakamada and K. Matsuoka
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Inter-annual variability in krill density at South Georgia: 1997–2012
) interspersed with years (1999-2000, 2004, 2009-2010) of very low density (µ < 30 gm-2). Author(s): S ... , mean density for the area) showed several years of moderate to high values (µ > 30 gm-2 ... one year were driving the mean krill density estimates for the WCB in that year. WCB krill density (µ ... krill was examined using a 15 year time series of acoustic observations undertaken in the Western Core ...
Meeting Document : WG-EMM-13/14 : Автор(ы): S. Fielding, J.L Watkins, P. Trathan, P. Enderlein, C. Waluda, C. Goss, G. Stowasser, G. Tarling and E. Murphy (United Kingdom)
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Proposal for a CCAMLR sponsored research survey to monitor abundance of pre-recruit Antarctic toothfish in the southern Ross Sea
Abstract: The exploratory fishery for Dissostichus spp. has now been operating for 14 years in ... Subarea 88.1 and for nine years in Subarea 88.2. Associated research has led to an assessment of the ... operations, different vessels catch different length classes in different locations and in different years ... methodologies. Further, we propose that the first survey be a pilot, with two main objectives: (i) To ...
Meeting Document : WG-SAM-11/16 : Автор(ы): S.M. Hanchet, S. Mormede, S.J. Parker and A. Dunn (New Zealand)
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Persistent organic pollutants in stomach contents of Adélie penguins from Edmonson Point (Victoria Land, Antarctica)
Point (Ross Sea) (74°20'56.7"S, 165°08'10.03"E) were analysed. Gas chromatography ... . Foraging sites were identified by satellite trackers in two study periods. Author(s): S. Corsolini, S ... wt, pp039;DDE at 5.80 ng/g wet wt and and hexachlorobenzene (HCB) at 4.70 ng/g wet wt. Average ... . Olmastroni, N. Ademollo, G. Minucci and S. Focardi (Italy) Title: Persistent organic pollutants in stomach ...
Meeting Document : WG-EMM-03/58 : Автор(ы): S. Corsolini, S. Olmastroni, N. Ademollo, G. Minucci and S. Focardi (Italy)
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Spatial distribution of foraging by female Antarctic fur seals
consumption was about one-tenth of the mean density of krill. Author(s): I.L. Boyd, I.J. Staniland and A.R ... years when there were different amounts of prey available. Females were constrained to forage mainly ... within 100 km of the location at which the offspring was being raised. When this constraint was removed ...
Meeting Document : WG-EMM-01/26 : Автор(ы): I.L. Boyd, I.J. Staniland and A.R. Martin (United Kingdom)
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A drone-based Antarctic fur seal (Arctocephalus gazella) census of the St. Telmo Islands, South Shetland Archipelago
population dynamics in the South Shetland archipelago are largely driven by two breeding colonies, Cape ... the 1990’s, logistical challenges have prevented surveys of the St Telmo Islands since 2008. Over the ... Telmo Islands during the 2018-19 field season. The APH-28 provided a minimally-invasive, robust, and ... 333, which represents a 79% reduction since the most recent survey in 2008, and a 90% reduction from ...
Meeting Document : WG-EMM-2019/65 : Автор(ы): D.J. Krause and M.E. Goebel
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An inter-laboratory comparison of ages estimated for Dissostichus eleginoides using otoliths
years or less of each other. Variation in estimates between readers did not increase markedly with age ... full age range, indicating differences in the criteria used to interpret the first few years of age ... otoliths by one reader from the Center for Quantitative Fisheries Ecology at Old Dominion University and ... one reader from the National Institute of Water and Atmospheric Research, without auxiliary ...
Meeting Document : WG-FSA-99/56 : Автор(ы): J. Ashford (United Kingdom) and P. Horn (New Zealand)
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BEACHED MARINE DEBRIS SURVEYS AND INCIDENCES OF SEABIRD/MARINE MAMMAL ENTANGLEMENTS AND HYDROCARBON SOILING AT BIRD ISLAND, SOUTH GEORGIA AND SIGNY ISLAND, SOUTH ORKNEYS, 2008-2009
nine gentoo penguins, eight king penguins, two Antarctic fur seals and one wandering albatross were ... survey period. Entanglements of 19 Antarctic fur seals (7 involving packaging bands), two giant petrels ... , one wandering albatross and one gentoo penguin (all involving fishing line and/or hooks) were observed ... at Bird Island, while one entangled fur seal was seen at Signy Island. In total, 147 items of marine ...
Meeting Document : WG-IMAF-09/09 : Автор(ы): C.M. Waluda (United Kingdom)
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