Resultados de la búsqueda
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Spatial distribution and swarm characteristics of Antarctic krill around the South Shetland Islands
Abstract: The spatial distribution and swarm characteristics of Antarctic krill were studied ... acoustic density were obtained with Kriging space interpolation, which showed that krill usually aggregated ... as swarms in a patchy fashion and the mean krill densities in December 2013 and February 2018 were ... than the other three years. The results also indicated that more krill swarms located at deeper water ...
Meeting Document : WG-EMM-18/42 : Autor(es): X. Yu, X. Wang and X. Zhao
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Seasonal and interannual variability of krill, salp and other zooplankton populations in the northwest Antarctic Peninsula region: summer 2001 in relation to the Long-Term AMLR Data Set
, 96 stations). Krill, salps and other zooplankton were collected at each station using a 180 cm Isaacs ... assess seasonal variations in distribution, abundance and demography of Antarctic krill (Euphausia ... field seasons to assess interannual variations. Mean and median krill abundance values in the Elephant ... female maturity stages, substantial larval krill concentrations and more developed larval stages during ...
Meeting Document : WG-EMM-01/45 : Autor(es): V. Loeb (USA)
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A condensed history and document of the method used by CCAMLR to estimate krill biomass (B0) in 2010
Abstract: Antarctic krill (Euphausia superba) are considered to be one of the key species in the ... harvested. The commercial exploitation of krill is managed under the direction of CCAMLR (Commission for the ... model and krill yield model (Constable and de la Mare, 1996; Butterworth et al. 1994). A key parameter ... of the krill yield model is an estimate of the pre-exploitation biomass of krill (B 0). The current ...
Meeting Document : WG-EMM-16/38 : Autor(es): S. Fielding, A. Cossio, M. Cox, C. Reiss, G. Skaret, D. Demer, J. Watkins and X. Zhao
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DIRECT EFFECTS OF CLIMATE CHANGE ON THE ANTARCTIC KRILL FISHERY
seasonal behaviour of the region’s largest fishery, that for Antarctic krill. Declining sea ice cover in ... the main krill fishing grounds has resulted in greater accessibility of krill stocks to the fishing ... EFFECTS OF CLIMATE CHANGE ON THE ANTARCTIC KRILL FISHERY Approval: Approved ...
Meeting Document : WG-EMM-09/P06 : Autor(es): S. Kawaguchi, S. Nicol and A.J. Press
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KRILLBASE: a multinational, circumpolar database of abundance of Antarctic krill and salps
Abstract: Antarctic krill and salps are major macroplankton contributors to Southern Ocean food ... webs and biogeochemical cycles. Sustainably managing the fishery for Antarctic krill against a backdrop ... contains data on krill from ~12,520 hauls and data on salps from ~10,832 hauls. These span 49 seasons in ... KRILLBASE includes additional standardised krill density data representing the expected density from a ...
Meeting Document : SC-CAMLR-XXXV/BG/24 Rev. 1 : Autor(es): A. Atkinson, S. Hill, H. Peat, R. Downie and L. Gerrish
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Preliminary report of sound-speed contrast and density of krill measured on board RV Kaiyo Maru
Abstract: The target strength (TS) of Antarctic krill, Euphausia superba, is a scaling factor to ... small animals like krill are difficult, the theoretical scattering models are used to predict the ... , morphology, orientation, and material properties of krill are required. There are two important material ... measurements of sound-speed and density of krill were carried out. We report on those preliminary results. The ...
Meeting Document : WG-EMM-05/36 : Autor(es): Y. Takao, H. Yasuma, R. Matsukura and M. Naganobu (Japan)
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Fishing patterns of Japanese krill trawlers
Abstract: Log book data from Japanese Krill Trawlers were used to characterize their fishing ... expressing the status of krill in the fishing ground. Catch per fishing days maybe the reasonable index for ... expressing the status of krill in the fishing ground. Author(s): S. Kawaguchi, T. Kameda and Y. Takeuchi ... (Japan) Title: Fishing patterns of Japanese krill trawlers Approval: Approved ...
Meeting Document : WG-EMM-02/28 Rev. 1 : Autor(es): S. Kawaguchi, T. Kameda and Y. Takeuchi (Japan)
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Krill of the Ross Sea: distribution, abundance and demography of Euphausia superba and Euphausia crystallorophias during the Italian Antarctic expedition (January–February 2000)
of krill in the western Ross Sea (Antarctica). A midwater sampler-trawl (Hamburg Plankton Net) was ... used to collect zooplankton and fish larvae. Mean relative biomass of Antarctic krill Euphausia superba ... 10.9 individuals per 1000m3. Ice krill Euphausia crystallorophias replaced the Antarctic krill in ... (s): A. Sala, M. Azzali and A. Russo (Italy) Title: Krill of the Ross Sea: distribution, abundance ...
Meeting Document : WG-EMM-02/32 Text : Autor(es): A. Sala, M. Azzali and A. Russo (Italy)
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Sources of variance in studies of krill population genetics
Abstract: There is a long-term interest in the population genetics of Antarctic krill species ... resurgence of interest in identifying distinct stocks of swarming krill species has been driven by the ... of krill population genetics, which must be able to accommodate this variance component as well as ... variance attributable to differences between regions. Genetic differentiation between stocks of krill in ...
Meeting Document : WG-EMM-01/12 : Autor(es): S.N. Jarman and S. Nicol (Australia)
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Final report of scientific observation of commercial krill harvest aboard the Japanese stern trawler Niitaka Maru, 13 December 2000–26 January 2001
Abstract: Japan has deployed one scientific observer on a Japanese krill trawler, Niitaka Maru ... measurements of krill, product types are described in the report. The trawler made an anti-clockwise trip ... southwards. Also, they encountered icebergs twice, and caught some small sized krill around them, which they ... scientific observation of commercial krill harvest aboard the Japanese stern trawler Niitaka Maru, 13 ...
Meeting Document : WG-EMM-01/38 : Autor(es): T. Hayashi, S. Kawaguchi and M. Naganobu (Japan)