Resultados de la búsqueda
-
Advances in the use of airborne aerial survey techniques to estimate krill-eating penguin populations in Area 48
Abstract: In this paper we provide WG-EMM with an update on aerial survey methods used to provide ... over the coming years and we will provide similar updates at regular intervals. Author(s): P.N.Trathan ...
Meeting Document : WG-EMM-14/05 : Autor(es): P.N.Trathan, A.J. Fox, N. Ratcliff and P.T. Fretwell (United Kingdom)
-
The effect of temporal variability on power analysis predictions for Adélie penguin CEMP parameters at Béchervaise Island
(5.2 – 6.7%). For example, with a 10 year monitoring program it is possible to detect fixed increases ... or decreases larger than 2% each year with more than 80% power. Increasing the duration of the ... another and it has major ramifications on power estimates. Increasing the variability associated with ... results based on occupied nest counts with increasing levels of temporal variability (% CV) are applicable ...
Meeting Document : WG-EMM-03/49 : Autor(es): L.M. Emmerson and C. Southwell (Australia)
-
Seabird and longline interactions: effects of a bird-scaring streamer line and line shooter on the incidental capture of northern fulmars Fulmarus glacialis
shooter alone. Longlines set with the line shooter reached 3 m depth 15% faster then lines set without the ... baits to fulmars and the catch rates of fish target species among lines set with either of these ... was caught when the bird-scaring line was used in combination with the line shooter. In contrast, 32 ... fulmars were caught in sets with no mitigation device and thirteen in sets with the line shooter alone ...
Meeting Document : WG-FSA-01/78 : Autor(es): S. Løkkeborg (Norway) and G. Robertson (Australia)
-
Fishery Report 2018: Exploratory fishery for Dissostichus eleginoides in Division 58.4.3a
period of 3 to 5 years. These catch limits are also set so that they provide reasonable certainty that ... year are provided. Note: length-frequency distributions are only presented for those years/SSRUs in ... unrealistic to consider this fishery as ‘new’ (CCAMLR-XVIII, paragraph 10.14), along with a renewed interest ... species with the assessment process, the target species was specified as D. eleginoides, with any ...
Document : Site Section: Publications
-
To what extent do type C killer whales (Orcinus orca) feed on Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea, Antarctica?
toothfish with silverfish and other prey shows that toothfish represent a high-energy food resource of much ... higher quality than other potential prey in the Ross Sea region; (3) densities of other alternative ... killer whales with toothfish in their mouths in McMurdo Sound have declined since 2000, consistent with ... killer whales in the Ross Sea can routinely dive to 200-400 m, with a maximum of >700m. This is deep ...
Meeting Document : WG-EMM-13/29 : Autor(es): L. Torres, M.H. Pinkerton (New Zealand), R. Pitman, J. Durban (USA) and R. Eisert (New Zealand)
-
Propuesta para la gestión del material de referencia científica para fundamentar las discusiones en marcha de la Comisión
ongoing discussions over many years. Much reference material arising from Working Group discussions is ... Members and needed for ongoing discussions over many years. In both cases, there is currently no suitable ... agreed to place MPA planning reference documents on the CCAMLR web site with Members Only access, but the ...
Meeting Document : SC-CAMLR-XXXIV/01 : Autor(es): Delegation of Australia
-
Investigations of intensity of krill drift near South Georgia Island
island is supposed to take place not less than 2-3 times per year. Peculiarities of accumulation and ... Abstract: Calculation of drift’s speed (transport with current) of Antarctic krill along the ... g m-3. Total amount of krill immigration on island’s shelf (in above indicated limits) were examined ...
Meeting Document : WG-CEMP-92/32 : Autor(es): V.V. Popkov (Russian Federation)
-
Updated assessment of Patagonian toothfish (Dissostichus eleginoides) in the vicinity of Crozet Islands (Subarea 58.6)
Abstract: This paper presents the latest developments in Casal models for Crozet with an updating ... of input data from the more recent years (up to 2015/16 season) and a reassessment of stocks taking ...
Meeting Document : WG-FSA-16/52 : Autor(es): R. Sinegre and G. Duhamel
-
Updated stock assessment of Patagonian toothfish (Dissostichus eleginoides) in the vicinity of Kerguelen Islands (division 58.5.1)
Abstract: This paper presents the latest developments in model of Kerguelen with an updating of ... input data from the more recent years (up to 2016/17 season) and a reassessment of stocks taking into ...
Meeting Document : WG-FSA-17/60 : Autor(es): R. Sinegre, G. Duhamel and J.B. Lecomte
-
Age-structured production model for toothfish at South Georgia
frequency data achieved last year, but the fit was still poor. The fit to the CPUE was also poor. With ... model. Revisions to the selectivity model this year have led to an ASPM with superior performance ... decaying function of age, with three easily interpretable parameters. When only a single selectivity curve ... was fitted for all years, the change to the new selectivity function improved the fit to length ...
Meeting Document : WG-FSA-SAM-05/18 : Autor(es): A. Payne, G.P. Kirkwood, R. Hillary and D.J. Agnew (United Kingdom)