Resultados de la búsqueda
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New corrections factors for the quantification of fish represented in pellets of the blue-eyed shag Phalacrocorax atriceps
necessary for the quantification of fish represented in pellets. These factors were obtained for Notothenia ... corrections factors for the quantification of fish represented in pellets of the blue-eyed shag Phalacrocorax ... cast) of the blue-eyed shag or imperial cormorant Phalacrocorax atriceps collected throughout the ... , Notolepis coatsi and Electrona antarctica were represented in pellets but not found in the stomach contents ...
Meeting Document : WG-EMM-95/83 : Autor(es): Silva, P., Casaux, R., Favero, M., Barrera-Oro, E.
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An assessment of the impact of krill fishery on penguins in the South Shetlands
intensity to the shelf and slope of Livingston or Elephant Island. In contrast, the food consumption by ... season (December-March) in the South Shetland Islands (Subarea 48.1) was assessed based on available ... information on fishery, penguins and krill biomass. The catch is very low in December followed by roughly ... penguins is estimated to be large in the shelf and slope near King George Island (11,680 t/10-day), whereas ...
Meeting Document : WG-KRILL-93/07 : Autor(es): T. Ichii, M. Naganobu and T. Ogishima (Japan)
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A critical re-examination of the evidence for a possible dependence of Weddell seals (Leptonychotes weddellii) on Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea, Antarctica
(Dissostichus mawsoni; ‘toothfish’) in the Ross Sea may affect the ecological viability of top predators such as ... of potential prey species including toothfish in the context of updated estimates of Weddell seal ... antarcticum) in Weddell seal diets should be re-examined given the known biases of methods used to derive diet ... the assumptions underlying application of stable isotope methodology to Weddell seals, and estimate ...
Meeting Document : WG-EMM-13/28 : Autor(es): R. Eisert, M.H. Pinkerton (New Zealand), S.D. Newsome and O.T. Oftedal (USA)
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Indicators of krill flux at various spatial-temporal based on the data of multi-year research carried out in the Scotia Sea. Comments on krill fishery management
understanding of krill biomass dynamic. It has been shown that the formation of transport of krill in the ... Weddell Sea. The data obtained demonstrate that the dynamics of krill biomass in a given area is more ... Abstract: The subject of research was geostrophic circulation of water masses, spatial ... flow at various spatial-temporal scales in the Scotia Sea. According the discussion at WG-EMM-2018 ...
Meeting Document : WG-EMM-2019/58 : Autor(es): S. Kasatkina and V. Shnar
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Spatial and temporal distribution patterns of acoustic backscatter in the New Zealand sector of the Southern Ocean
, but overall was reasonably stable, being in the same order of magnitude across all transects ... organisms. Predicted climate change effects in the Southern Ocean could modify the spatial distribution of ... distribution patterns of acoustic backscatter in the New Zealand sector of the Southern Ocean Approval ... from vessels of opportunity transiting across the Southern Ocean between New Zealand and the Ross Sea ...
Meeting Document : WG-EMM-18/P06 : Autor(es): P.C. Escobar-Flores, R.L. O’Driscoll and J.C. Montgomery
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Demersal fishing interactions with marine benthos in the Southern Ocean: an assessment of the vulnerability of benthic habitats to impact by demersal gears
Dissostichus spp. with marine benthos in the Australian EEZ of the Southern Ocean. Key outcomes of this project ... shelf • An assessment of the vulnerability of benthic habitats to impact by demersal gears in the Sub ... ): Delegation of Australia Title: Demersal fishing interactions with marine benthos in the Southern Ocean: an ... will include: • Compact camera systems which will be able deployed by scientific observers in the ...
Meeting Document : SC-CAMLR-XXVI/BG/30 : Autor(es): Delegation of Australia
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Diet and trophic niche of Macrourus spp. (Gadiformes, Macrouridae) in the Ross Sea region of the Southern Ocean
(henceforth Macrourus spp.) in the Ross Sea region of the Southern Ocean. Samples of stomach contents were ... . Overall, amphipods were the dominant prey found in Macrourus spp. stomachs with an index of relative prey ... Macrourus spp. in the Ross Sea region have a trophic level of 3.8±0.3, placing them well below the top of ... niche of Macrourus spp. (Gadiformes, Macrouridae) in the Ross Sea region of the Southern Ocean Approval ...
Meeting Document : WG-EMM-12/P03 : Autor(es): M.H. Pinkerton, J. Forman, D.W. Stevens, S.J. Bury and J. Brown
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A methodological proposal to monitor changes in coastal fish populations by the analysis of pellets of the blue-eyed shag Phalacrocorax atriceps
. The methodology considered is based in the analysis of regurgitated pellets of the blue-eyed shag ... changes in coastal fish populations by the analysis of pellets of the blue-eyed shag Phalacrocorax ... Phalacrocorax atriceps. The fundaments of the proposal as well as the methods tested and the steps followed are ... Abstract: A proposal to monitor changes in coastal fish populations is presented in this document ...
Meeting Document : WG-EMM-95/84 : Autor(es): Barrera-Oro, E., Casaux, R.
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Incidences of gillnet fishing in the Convention Area reported through the Scheme of International Scientific Observation
Abstract: Observers deployed in terms of the CCAMLR Scheme of International Scientific ... on some of the fishing grounds in this area. These reports are supported by both photographic ... ): Delegation of South Africa Title: Incidences of gillnet fishing in the Convention Area reported through the ... Observation are required to record incidences of IUU fishing. Since the CCAMLR 2003/4 season 15 reports of IUU ...
Meeting Document : CCAMLR-XXVI/BG/30 : Autor(es): Delegation of South Africa
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A revision of yield and catch controls for managing the mackerel icefish (Champsocephalus gunnari) fishery in the vicinity of Heard Island and McDonald Islands
Abstract: A recent 2000 survey of mackerel icefish in the vicinity of Heard Island enabled a ... revised estimate of yield for the coming 2 seasons. While the biomass of icefish appears lower than in ... icefish (Champsocephalus gunnari) fishery in the vicinity of Heard Island and McDonald Islands Approval ... previous years, it is dominated by a strong age 2 year class. Estimates of yield for the Heard Island ...
Meeting Document : WG-FSA-00/41 : Autor(es): A. Constable, R. Williams, T. Lamb and E. van Wijk (Australia)