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Further computations of the consequences of setting the annual krill catch limit to a fixed fraction of the estimate of krill biomass from a survey
Paper Title: Further computations of the consequences of setting the annual krill catch limit to ... a fixed fraction of the estimate of krill biomass from a survey Abstract / Description: Butterworth ... relate potential krill yield to a pre-exploitation survey estimate of krill biomass. In this paper, the ... Meetings of the Working Group on Krill (WG-Krill). The most important of these extensions is integration ... THE CONSEQUENCES OF SETTING THE ANNUAL KRILL CATCH LIMIT TO A FIXED FRACTION OF THE ESTIMATE OF ... KRILL BIOMASS FROM A SURVEY D.S. Butterworth, G.R. Gluckman, R.B. Thomson and S. Chalis Department of ... the harvesting model of Beddington and Cooke (1983) to relate potential krill yield to a pre ... -exploitation survey estimate of krill biomass. In this paper, the approach is extended further so as to ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 81–106 : Autor(es): Butterworth, D.S., G.R. Gluckman, R.B. Thomson, S. Chalis, K. Hiramatsu and D.J. Agnew
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Analysis of trends in Japanese krill fishery CPUE data, and its possible use as a krill abundance index
Paper Title: Analysis of trends in Japanese krill fishery CPUE data, and its possible use as a ... krill abundance index Abstract / Description: Haul-by-haul logbook catch and effort data from the ... Japanese krill fishery for the 1980/81 to 2003/04 fishing seasons were analysed. For a number of ... . The results strongly suggest that the krill fishery in the South Georgia area is operating at a ... . 12 (2005): 1–28 ANALYSIS OF TRENDS IN JAPANESE KRILL FISHERY CPUE DATA, AND ITS POSSIBLE USE AS A ... KRILL ABUNDANCE INDEX S. Kawaguchi , S. Candy, S. Nicol Australian Antarctic Division Department of ... krill fi shery for the 1980/81 to 2003/04 fi shing seasons were analysed. For a number of defi nitions ... . The results strongly suggest that the krill fi shery in the South Georgia area is operating at a ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 1–28 : Autor(es): Kawaguchi, S., S. Candy, S. Nicol, K. Taki and M. Naganobu
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Observations of fishing operations on a krill trawler and distributional behaviour of krill off Wilkes Land during the 1985/86 season
Paper Title: Observations of fishing operations on a krill trawler and distributional behaviour ... of krill off Wilkes Land during the 1985/86 season Abstract / Description: Japanese krill fishing ... OPERATIONS ON A KRILL TRAWLER AND DISTRIBUTIONAL BEHAVIOUR OF KRILL OFF WILKES LAND DURING THE 1985/86 ... SEASON T. Ichii (Japan) Abstract Japanese krill fishing operations were observed on board a ... krill japonaises ont ete observees a bord d'un navire commercial et les operations proprement dites ... de differents navires. Resumen Se observaron operaciones pesqueras de krill japonesas a bordo ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 335-368 : Autor(es): Ichii, T.
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Krill population biology during the 1991 Chilean Antarctic krill fishery
Paper Title: Krill population biology during the 1991 Chilean Antarctic krill fishery Abstract ... / Description: Population biology of Antarctic krill, Euphausia superba, was studied from samples taken in 1991 ... during krill fishing operations around the South Shetland Islands on board the Chilean factory vessel ... WG-KRILL-92/33 KRILL POPULATION BIOLOGY DURING THE 1991 ... CHILEAN ANTARCTIC KRILL FISHERY A. Mujica R, E. Acufia S. and A. Rivera 0.* Abstract * Population ... biology of Antarctic krill, Euphausia superba, was studied from samples taken in 1991 during krill ... by INACH (Chilean Antarctic Institute). Resume Etude de la biologie des populations du krill ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 223–235 : Autor(es): Mujica R., A., E. Acuña S. and A. Rivera O.
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On the very high likelihood of bycatch of ice krill (Euphausia crystallorophias) in the present-day fishery for Antarctic krill (E. superba)
Abstract: During open discussions at the Third International Symposium on Krill (St Andrews ... , Scotland, June 2017) attended by representatives of the Association of Responsible Krill harvesting ... krill (Euphausia crystallorophias) had been reported from fishing vessels targeting Antarctic krill (E ... a condition of their fishing permits to report all bycatch. Since the present-day Antarctic krill ...
Meeting Document : WG-EMM-18/05 : Autor(es): A.S. Brierley and R. Proud
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Using the EPOC modelling framework to assess management procedures for Antarctic krill in Statistical Area 48: evaluating spatial differences in productivity of Antarctic krill
evaluate management procedures for the Antarctic krill fishery. The key issues to be resolved in the ... development of a harvest strategy are whether (i) spatial differences in the productivity of krill give rise ... to differential affects on predators in different locations, (ii) movement of krill between locations ... ameliorate any local fluctuations in krill abundance and (iii) fishery behaviour could be constrained by ...
Meeting Document : WG-EMM-06/38 Rev. 1 : Autor(es): A.J. Constable (Australia)
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A model at the level of the foraging trip for the indirect effects of krill (Euphausia superba) fisheries on krill predators
Abstract: 1. Although the development of fisheries for krill in the southern oceans has prompted ... considerable work on the indirect effects of fisheries on krill predators, to date all work has focused on ... the effects of a fishery on krill predators, using the Adelie penguin (Pygoscelis adeliae) as a model ... krill, ii) the effects of the fishery on the krill, iii) the description of penguin breeding and iv) the ...
Meeting Document : WG-EMM-96/20 : Autor(es): Switzer, P.V., Mangel, M.
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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
distribution of krill density, intensity of water flows (m³/s) and krill biomass (g/m³) transported by water ... understanding of krill biomass dynamic. It has been shown that the formation of transport of krill in the ... Scotia Sea requires both favorable dynamic conditions and krill influx from the Antarctic Pacific and the ... Weddell Sea. The data obtained demonstrate that the dynamics of krill biomass in a given area is more ...
Meeting Document : WG-EMM-2019/58 : Autor(es): S. Kasatkina and V. Shnar
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A model at the level of the foraging trip for the indirect effects of krill (Euphausia superba) fisheries on krill predators
krill (Euphausia superba) predators, using the Adelie penguin (Pygoscelis adeliae) as a model organism ... . The model involves: (i) the description of the biomass and spatial distribution of krill; (ii) the ... effects of the fishery on the krill; (iii) the description of penguin breeding; and (iv) the indirect ... biomass of krill appropriate for the predators (and the fishery) fluctuates from one year to the next ...
Meeting Document : WG-EMM-98/48 : Autor(es): M. Mangel and P.V. Switzer (USA)
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Winter habitat selection by Antarctic krill will increase krill-predator-fishery interactions during ice free years
Antarctic krill (Euphausia superba), a key forage species (Laws 1977; Smetacek and Nicol 2005) and a target ... et al. 2014; Atkinson et al. 2004) and is likely to increase krill-predator-fishery interactions ... estimates of krill biomass, habitat use, and association with top predators to examine these likely ... interactions. Krill were virtually absent in offshore waters of the Drake Passage during all three winters ...
Meeting Document : WG-EMM-15/05 : Autor(es): C.S. Reiss, A. Cossio, C.D. Jones, A. Murray, G. Mitchell, J. Santora, K. Dietrich, E. Weiss, C. Gimpel, J. Walsh and G.M. Watters (USA)