Search results
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Discussion on recent results from an integrated assessment of Antarctic krill (Euphausia superba) in Subarea 48.1
-assessment framework for Antarctic krill (Euphausia superba) to assimilate multiple sources of survey data ... and estimate krill growth. Kinzey et al. (2014) fitted stock-assessment models to survey data that were pooled ... of the models provide a robust picture of changes in the krill population. An annual model fitted to IKMT data ... in cohort strength have dominated krill dynamics in Subarea 48.1. Long-term trends (either decreasing ...
Meeting Document : WG-EMM-14/35 : Author(s): G.M. Watters, C.S. Reiss and D. Kinzey (USA)
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Habitat partitioning in Antarctic krill: spawning hotspots and nursery areas
Abstract: Antarctic krill, Euphausia superba, have a circumpolar distribution ... ontogenetic life stages of krill (eggs, nauplii plus metanauplii, calyptopes, furcilia, juveniles, and adults ... krill densities can be high. To address these questions, we compiled larval krill density records ... temperature suggest that krill associate with different habitats over the course of their life cycle. From ...
Meeting Document : WG-EMM-2019/20 : Author(s): F. Perry, A. Atkinson, S.F. Sailley, G.A. Tarling, S.L. Hill, C.H. Lucas and D.J. Mayor
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Diel vertical distribution of Antarctic krill around the South Shetland Islands in February 2019 and its potential effect on biomass estimation
Abstract: To address the potential effect of DVM behavior on krill biomass estimates, diel ... vertical distribution of krill swarms around the South Shetland Islands in Subarea 48.1 were analyzed based ... . Results show that more krill swarms were found in shallower depth at night than during daytime, while 16.5 ... underestimate the krill density due to the shallow distribution pattern of the animal, which may affect ...
Meeting Document : SG-ASAM-2019/05 : Author(s): X. Wang, X. Yu, J. Zhang and X. Zhao
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A hydroacoustic survey of Antarctic krill populations in CCAMLR Division 58.4.1
include hydroacoustic determinations of krill distribution and abundance and physical oceanographic ... . The data on krill distribution and abundance will be submitted to CCAMLR for the purpose of setting ... a precautionary catch limit on the krill fishery in Division 58.4.1. Author(s): Nicol, S. Title: A hydroacoustic ... survey of Antarctic krill populations in CCAMLR Division 58.4.1 Approval: Approved ...
Meeting Document : WG-EMM-95/43 : Author(s): Nicol, S.
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Status of krill target strength
Abstract: Empirical estimates for the target strength of krill are extracted from the literature ... . Several specific recommendations are made for future, improved determinations of krill target strength ... . Foote (Norway), D. Chu and T.K. Stanton (USA) Title: Status of krill target strength Approval ... Empirical estimates for the target strength of krill are extracted from the literature ...
Meeting Document : WG-KRILL-92/11 : Author(s): K.G. Foote (Norway), D. Chu and T.K. Stanton (USA)
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Report of the international workshop on understanding living krill for improved management and stock assessment
Abstract: The international workshop on understanding living krill for improved management ... and stock assessment (referred to Krill workshop here after) was held at Port of Nagoya Public Aquarium ... place regarding to the future research on live krill. Special Volume of the workshop will be published ... of the international workshop on understanding living krill for improved management and stock assessment Approval ...
Meeting Document : WG-EMM-03/56 : Author(s): S. Kawaguchi (Australia) and M. Naganobu (Japan)
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ON METHODS OF THE EXPERIMENT CARRIED OUT TO DETERMINE THE RATE OF ‘ESCAPE MORTALITY’ ON FISHING OR RESEARCH VESSELS DURING ANTARCTIC KRILL FISHERY
-09/11, in which the uncertainty of krill amount perished while its trawling at fishery is focused ... , the recommendations were submitted on carrying out the experiment to determine the rate of krill ‘escape mortality ... ’ on fishing or research vessel during Antarctic krill fishery. Author(s): Delegation of Ukraine Title ... VESSELS DURING ANTARCTIC KRILL FISHERY Approval: Approved ...
Meeting Document : SC-CAMLR-XXVIII/BG/10 : Author(s): Delegation of Ukraine
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A quantified Bayesian maximum entropy estimate of Antarctic krill abundance across the Scotia Sea and in small-scale management units from the 2000 CCAMLR survey
Abstract: We present the results of an alternative method of estimating krill abundance ... , and producing maps of krill distribution, from the data collected during the 2000 CCAMLR survey of the Scotia ... an objective choice of the most probable reconstruction of krill distribution, given the data. The Bayesian ... therefore inferred the krill density on a 1 nm × 1 nm grid of pixels. Density values (g m-2) were calculated ...
Meeting Document : WG-EMM-05/42 : Author(s): B.G. Heywood, S.F. Gull and A.S. Brierley (United Kingdom)
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Adélie penguin foraging behaviour and breeding success in seasons of contrasting krill availability (Mawson Coast, Antarctica)
penguins at the Béchervaise Island CEMP site were compared between seasons of contrasting krill ... availability. Krill biomass estimates were derived from shipboard surveys carried out within the penguins ... ’ normal foraging range during the 2001 and 2003 breeding seasons. More than three times as much krill ... of the krill survey. Chick mortality peaked during this period also. The findings illustrate the sensitivity ...
Meeting Document : WG-EMM-03/44 : Author(s): J. Clarke, M. Tierney, S. Candy, S. Nicol, L. Irvine and K. Kerry (Australia)
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STATE OF ANTARCTIC KRILL (EUPHASIA SUPERBA) FISHERIES IN STATISTICAL SUBAREA 48.2 IN 2008
till April 2008. The paper has analyzed the distribution of commercial aggregations of krill ... , their fishable biomass in the different periods of observations, krill biological state, hydro meteorological ... and ice conditions. Results of fisheries are given. Some ideas about allocation of limits of krill catch ... KRILL (EUPHASIA SUPERBA) FISHERIES IN STATISTICAL SUBAREA 48.2 IN 2008 Approval: Approved ...
Meeting Document : WG-EMM-08/24 : Author(s): V.A. Bibik and N.N. Zhuk (Ukraine)