Modelling Movement of Antarctic Krill (MMAK): the importance of retention, dispersal and behaviour for krill distribution – a project update
that influence the distribution of Antarctic krill in CCAMLR Area 48, focussing in particular on the South Orkney ... the impact of physical and behavioural processes on the distribution of krill in this area, at scales ... relevant to the krill fishery and predators. Preliminary analysis of a 20-year time series of simulated ... to the wider Scotia Sea. Results suggest that resolving the interaction of krill with sea ice is critical ...
Meeting Document : WG-EMM-18/06 : Author(s): S.E. Thorpe, E.F. Young, E.J. Murphy, O.R. Godø and A.H.H. Renner
A comparison of gear selectivity among three fishing gears for Antarctic krill with notes on the demographic patterns and productivity of Antarctic krill during summer 2014
Abstract: Three different trawls were used to sample Antarctic krill for the determination ... the largest range of krill (15mm to 60mm), while the ENGEL trawl captured the narrowest (27 to 61 ... using fishing vessels if research gear cannot be accommodated. The patterns of krill length frequency ... showed that krill collected in Bransfield Strait and Elephant Island areas of the South Shetlands ...
Meeting Document : WG-EMM-14/37 : Author(s): C. Reiss (USA) and M. Espino Sanchez (Peru)
Implementation and preliminary results from the synoptic krill survey in Area 48, 2019 conducted by the Chinese krill fishing vessel Fu Rong Hai
Abstract: As a contribution to the joint effort on the large-scale synoptic krill survey of Area ... 48, the Chinese krill fishing vessel Fu Rong Hai conducted the survey in the Subarea 48.1 from ... for krill biology using a commercial midwater otter trawl. Acoustic data processing were carried out ... generally following the procedures applied in the CCAMLR 2000 survey analyses, and estimates of krill ...
Meeting Document : WG-EMM-2019/43 : Author(s): X. Wang, X. Zhao, B. Zou, G. Fan, X. Yu, J. Zhu, J. Zhang and Y. Ying
Distribution patterns and biomasses of Antarctic krill (Euphausia superba) and ice krill (E. crystallorophias) with note on distribution of Antarctic minke whales (Balaenoptera bonaerensis) in the Ross Sea in 2005
Abstract: Distribution patterns and biomasses of Antarctic and ice krill in the Ross Sea ... in austral summer in 2005 were studied using a multi-disciplinary survey data set combining cetacean, krill ... samples of RMT hauls and stomach contents of Antarctic minke whales. Ice krill was distributed ... on the continental shelf region (shallower than 1000m water depth). In contrast, Antarctic krill was distributed ...
Meeting Document : WG-EMM-08/35 : Author(s): H. Murase, H. Yasuma, R. Matsukura, Y. Takao, K. Taki, T. Hayashi, T. Yabuki, T. Tamura, K. Konishi, K. Matsuoka, K. Miyashita, S. Nishiwaki and M. Naganobu (Japan)
Do krill fisheries compete with macaroni penguins? Spatial overlap in prey consumption and krill catches during winter
, the macaroni penguin, and the krill fishery by examining the spatial overlap in prey consumption and catches ... as this is the only time of year when spatio-temporal overlaps between macaroni penguin foraging and the krill fishery ... during the winter period. We combined these to produce a surface of the tonnes of krill consumed which ... could be compared directly with the spatial distribution of the tonnes of krill caught by the fishery ...
Meeting Document : WG-EMM-14/02 : Author(s): N. Ratcliffe, S.L. Hill, I.J. Staniland, R. Brown, S. Adlard, C. Horswill and P.N. Trathan (United Kingdom)
Abstract: Analysis of the Antarctic krill (Euphausia superba) commercial and research fishery ... KRILL AT KRILL FISHERY Approval: Approved ... Analysis of the Antarctic krill (Euphausia superba) commercial and research fishery in 1970-ies ... ON INCIDENTAL MORTALITY OF ANTARCTIC KRILL AT KRILL FISHERY ...
Meeting Document : WG-EMM-09/11 : Author(s): L. Pshenichnov (Ukraine)
IMPLEMENTATION OF FOOSA (KPFM) IN THE EPOC MODELLING FRAMEWORK TO FACILITATE VALIDATION AND POSSIBLE EXTENSION OF MODELS USED IN EVALUATING KRILL FISHERY HARVEST STRATEGIES THAT WILL MINIMISE RISK OF LOCALISED IMPACTS ON KRILL PREDATORS
-structured harvest strategies for krill, has been implemented within the EPOC modelling framework. It also ... includes the methods used for implementing environmental variability, the krill population, generic ... predators, the krill fishery and the system for setting catch limits. The process of implementing FOOSA ... dynamics that may be present in the krill-predator-fishery system in Area 48. Some of these functions ...
Meeting Document : WG-SAM-08/15 : Author(s): A. Constable (Australia)
Intra-annual variability in the abundance of Antarctic krill (Euphausia superba) at South Georgia, 2002–2005: within-year variation provides a new framework for interpreting previous ‘annual’ krill density estimates
abundance of Antarctic krill continuously between 14 October 2002 and 29 December 2005. A distinct seasonal ... pattern in krill abundance was detected that recurred consistently over all 3 years. Krill densities ... explained 71% of the observed week-week variation. Mooring estimates of krill abundance were ... not statistically different (P>0.05) from estimates derived from standard ship-based krill surveys in adjacent ...
Meeting Document : WG-EMM-06/25 : Author(s): R.A. Saunders, J.L. Watkins, K. Reid, E.J. Murphy, P. Enderlein, D.G. Bone and A.S. Brierley (United Kingdom)
CONDITIONING SMOM USING THE AGREED CALENDAR OF OBSERVED CHANGES IN PREDATOR AND KRILL ABUNDANCE: A FURTHER STEP IN THE DEVELOPMENT OF A MANAGEMENT PROCEDURE FOR KRILL FISHERIES IN AREA 48
Abstract: The updated version of the Spatial Multi-species Operating Model (SMOM) of krill ... , one with the time series of krill abundance fixed on input, and the other incorporating an explicit ... model of krill dynamics. Additional versions of SMOM that may need to be conditioned are discussed ... suggest that penguins respond sooner than other predators to decreasing levels of krill abundance. Given ...
Meeting Document : WG-EMM-08/44 : Author(s): É.E. Plagányi and D.S. Butterworth (South Africa)
Results of scientific observation in Antarctic krill fishery in 2010/11: II. analysis of variability of krill size and fish by-catch
Abstract: We examined spatio-temporal variability of krill body length and number of bycatch fish ... as variables of interest based on the scientific observer data for the 2010/2011 fishing season. Both krill ... for the krill length model, some parameters did not converge well in the bycatch fish model. The interaction ... between month and sub-areahas large effects on krill length. Krill length varies among cruises ...
Meeting Document : WG-EMM-12/67 : Author(s): T. Okuda and M. Kiyota (Japan)