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1. An evaluation of reduced target strength estimates reported for krill (Euphausia superba)

   on the same experiment and report new calculations of the target strength of krill (Euphausia superba ... ) that propose questioning previous measurements of krill target strength and estimates of abundance derived from ... that they are being cited as a basis for increasing the estimates of krill standing stock in the Antarctic ... krill on the number of krill used to measure it), and contain or are likely to contain an error due ...

   Meeting Document : WG-KRILL-90/13 : Author(s): M.C. Macaulay (USA)

2. Sounds like more krill

   Abstract:  Antarctic krill, Euphausia superba, comprise the foundation of the food-web ... in the Southern Ocean and are the target of a large fishery. Recently, the total abundance of krill in the Scotia ... for the Conservation of Antarctic Marine Living Resources (CCAMLR) to revise the precautionary catch level for krill ... energy attributed to krill, scaled by the Greene et al. model of krill acoustical reflectivity or target ...

   Meeting Document : WG-EMM-04/41 : Author(s): D.A. Demer and S.G. Conti (USA)

3. Background information to support development of a feedback management strategy for the krill fishery in Subarea 48.1

   and information needed to support development of a feedback management strategy for the krill fishery in Subarea ... negatively impacting the krill fishery while simultaneously mitigating risks to krill-dependent predators. We ... . In the second vignette, we examine the influence of oceanic and shelf circulation on the distribution of krill ... mechanisms aggregate krill in fishable quantities above the background concentration. We use a circulation ...

   Meeting Document : WG-EMM-16/45 : Author(s): Antarctic Ecosystem Research Division, Southwest Fisheries Science Center and NOAA Fisheries

4. Krill population dynamics at South Georgia 1991–1997, based on data from predators and nets

   Abstract:  Central to understanding krill population dynamics is knowledge of their population ... structure. To examine this we used length-frequency distributions from 142 weeks of sampling (n= 23996 krill ... ) of 3 predator species breeding at South Georgia and 12 weeks of sampling (n = 10 252 krill) from scientific nets ... overall krill population. Greatest similarity results from comparing net samples with samples from ...

   Meeting Document : WS-AREA 48-98/15 : Author(s): K. Reid, J. Watkins, J. Croxall and E. Murphy (UK)

5. Change of sex ratio of krill (Euphausia superba) from austral early summer to midsummer in 1983/84 in the vicinity of Prydz Bay, Antarctica

   Abstract:  In this present report the change of the Antarctic krill distribution pattern from ... . The waters indicating the high ratios of female krill with the high coefficient of fatness were considered ... to be suitable spawning grounds for krill. These waters were characterized by the remarkable Shelf Slope Water ... ratio of krill (Euphausia superba) from austral early summer to midsummer in 1983/84 in the vicinity ...

   Meeting Document : WG-Krill-94/30 : Author(s): M. Naganobu and S. Kawaguchi (Japan)

6. Some comments on the procedure for testing estimators of krill abundance which utilise survey data

   Abstract:  Since krill distributional data do show evidence of spatial correlation, estimators ... performance in practice. Such studies require a simple method for computer generation of krill distribution ... " models of krill distribution are considered. These achieve overall spatial correlation by placing ... krill swarms at random within larger aggregation features termed concentrations; these concentrations ...

   Meeting Document : WG-KRILL-91/21 : Author(s): D.S. Butterworth, D.L. Borchers and D.G.M. Miller (South Africa)

7. Evaluation of krill transport factor results in Subarea 48.2 in summer period of 1996

   Abstract:  The methods and preliminary data on evaluation of krill transfer factors results ... and Weddell Sea waters. The experiment was carried out in two stages: evaluation of krill transport through ... the polygon boundaries; hydroacoustic evaluation of krill biomass and distribution in the polygon ... and researches of krill transport peculiarities through the polygon depending on water dinamics. Krill transport ...

   Meeting Document : WG-EMM-96/37 : Author(s): Sushin, V.A., Kasatkina, S.M., Shnar, V.N., Abramov, A.M., Polischuk, M.I.

8. Dynamics of Antarctic krill in the Bransfield Strait during austral summer and autumn investigated using acoustic data from a fishing vessel

   Abstract:  The Antarctic krill fisheries have evolved to operate in ever more concentrated ... geographical areas of predictable high krill densities, and knowledge about trends and variability in krill ... interactions between krill, krill-dependent predators and the krill fishery. Acoustic data collected from ... the fishing vessels might help provide such insight. In the present work, the dynamics of krill with regards ...

   Meeting Document : WG-EMM-17/40 : Author(s): X. Wang, G. Skaret, O.R. Godø and X. Zhao

9. Investigations on midwater trawling for krill (Euphausia superba) in the Southern Ocean

   Abstract:  Results of harvesting operations for Antarctic krill (Euphausia superba) in Fishing ... Area 58 in the Indian Ocean Sector of Southern Ocean, during the First Indian Antarctic Krill ... °04'-40°04' E long, from 27 January to 12 February 1996. In the area of operations, krill ... . Krill were present in 33.3 per cent of the total number of hauls taken. Major species obtained were ...

   Meeting Document : WG-EMM-98/38 : Author(s): M.R. Bhoopendranath, M.K.R. Nair, A. Anrose and V.C. George (India)

10. Predicting changes in the Antarctic krill Euphausia superba population at South Georgia

    of Antarctic krill Euphausia superba and subsequent effects on dependent predators. However, the nature ... and consequences of changes in krill population dynamics that accompany l1uctuations in its abundance ... are essentially unknown. A conceptual model, developed froll1 quantitative measures of krill length ill the diet ... structure of krill in 1998 and the consequences for predators. Consistent with model predictions, in 1998 ...

    Meeting Document : WG-EMM-99/37 : Author(s): K. Reid, K.E. Barlow, J.P. Croxall and R.I. Taylor (UnitedKingdom)

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