Search results
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A drone-based Antarctic fur seal (Arctocephalus gazella) census of the St. Telmo Islands, South Shetland Archipelago
monitoring. We used a medium-range vertical takeoff and landing (VTOL) UAS to obtain pup counts from the St ... 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 ... soon as is practicable. Author(s): D.J. Krause and M.E. Goebel Title: A drone-based Antarctic fur ...
Meeting Document : WG-EMM-2019/65 : Author(s): D.J. Krause and M.E. Goebel
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The Continuous Plankton Recorder in the Southern Ocean: a comparative analysis of zooplankton communities sampled by the CPR and vertical net hauls along 140°E
Abstract: A repeat transect was run south of Tasmania, along ~140°E, during November and December ... 2001. NORPAC nets were deployed during a CTD transect on the southern leg, sampling four depth zones at ... each of 19 stations: 0–20, 20–50, 50–100 and 100–150 m. A Continuous Plankton Recorder (CPR) was ... , indicating that all communities had a similar distribution of abundance amongst species. There was little ...
Meeting Document : WS-BSO-07/P5 : Author(s): Hunt, B.P.V and G. Hosie
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Revised reports on abundance and biological information on toothfish in Division 58.4.4 a and b by Shinsei Maru No. 3 in 2010/11 season
Abstract: A survey was conducted in order to collect information for the stock status and various ... biological information on toothfish in Division 58.4.4a & b (Ob Lena Bank) by using a commercial bottom ... in the shallow area < 500 m in the 2010/11. A total of 189 individuals of toothfish with good ... between the fish released with tag and that of overall catch was considerably high (θ=95 %). There was a ...
Meeting Document : WG-FSA-11/14 : Author(s): K. Taki, T. Iwami and M. Kiyota (Japan)
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Distribution and possible areas of spatial mixing of two stocks of humpback whales, a krill predator, in the Indo-Pacific region of the Antarctic revealed by genetic analyses
of two stocks of the humpback whale, a krill predator, in the Indo-Pacific region of the Antarctic ... addition, the Antarctic samples were analyzed with a set of eleven microsatellite DNA loci (independent ... suggested the following: i) Western Australian whales distribute mainly in Areas IV, and probably mix with a ... substantial numbers; iii) Eastern Australian whales distribute mainly in Area VW, and probably mix with a ...
Meeting Document : WG-EMM-2019/67 : Author(s): L.A. Pastene, M. Goto, M. Taguchi and K. Matsuoka
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OPTIMISING THE DESIGN OF LARGE-SCALE GROUND SURVEYS OF ADÉLIE PENGUIN ABUNDANCE USING VIRTUAL SIMULATION IN A GEOGRAPHIC INFORMATION SYSTEM
virtual simulation in a GIS environment to explore how the recommended area/density approach can be ... approach is illustrated using a case study of a large-scale ground survey of Adélie penguins. The findings ... LARGE-SCALE GROUND SURVEYS OF ADÉLIE PENGUIN ABUNDANCE USING VIRTUAL SIMULATION IN A GEOGRAPHIC ...
Meeting Document : WG-EMM-11/42 : Author(s): C. Southwell, R. Driessen and S. Candy (Australia)
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Preliminary assessment of mackerel icefish (Champsocephalus gunnari) in the vicinity of Heard Island and McDonald Islands (Division 58.5.2), based on a survey in July 2007, using the generalised yield model
Abstract: A survey of mackerel icefish, Champsocephalus gunnari, was undertaken in Division ... -term annual yield in the 2007/2008 CCAMLR season. This paper provides a preliminary assessment of yield ... mackerel icefish, and an increase on the recommended catch over the projection. Based on a similar cohort ... (Champsocephalus gunnari) in the vicinity of Heard Island and McDonald Islands (Division 58.5.2), based on a survey ...
Meeting Document : WG-FSA-07/47 : Author(s): D.C. Welsford (Australia)
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Beached birds: a guide used by north pacific groundfish observers to identify seabirds incidentally caught in fisheries
vessels in the Bering Sea and Gulf of Alaska. This new guide replaces a dichotomous key on looseleaf paper ... , typically wet and bedraggled birds---appearances much different than living specimens. A description of ... collection at the NMFS North Pacific Groundfish Observer Program. A copy of Beached Birds is available in the ... CCAMLR Library. Author(s): T. Hass and S. Davis (USA) Title: Beached birds: a guide used by north ...
Meeting Document : WG-FSA-03/24 : Author(s): T. Hass and S. Davis (USA)
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The direct impact of fishing and fishery-related activities on marine life in the CCAMLR Convention Area with particular emphasis on longline fishing and its impact on albatrosses and petrels – a review
Iles Kerguelen. The fishery extended further south for a few years in the second half of the 1970' ... Ocean within one season. A number of direct effects from fishing activities can be seen on marine life ... local and killed probably only a few animals per year. Author(s): Delegation of Germany Title: The ... particular emphasis on longline fishing and its impact on albatrosses and petrels – a review Approval ...
Meeting Document : SC-CAMLR-XIX/BG/11 : Author(s): Delegation of Germany
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A three-frequency method to determine the abundance and the size of two euphausiid species (Euphausia superba and Euphausia crystallorophias)
Abstract: Euphausia superba and Euphausia crystallorophias dominate the biomass and play a key ... of net samplings depends on the environmental conditions. In the Ross Sea such a limitation is due ... that organisms must occur in low concentrations and echo level from a single organism must be greater ... in a noisy environment (storms, ice) and in dense concentrations, the detection of single targets ...
Meeting Document : WG-EMM-01/63 : Author(s): M. Azzali, J. Kalinowksi, G. Lanciani and I. Leonori (Italy)
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Southern royal albatross Diomedea epomophora census on Campbell Island, 4 January–6 February 1996, and a review of population figures
Abstract: A census of breeding Southern Royal Albatross was undertaken at Campbell Island during ... the period 4 January to 6 February 1996 of the 1995-96 breeding season. A total of 7787 occupied nests ... was counted. Comparisons of different field census techniques and a measure of the rate of egg loss ... 1996, and a review of population figures Approval: Approved ...
Meeting Document : SC-CAMLR-XVII/BG/13 : Author(s): Delegation of New Zealand