Search results
-
Relationships of Antarctic krill (Euphausia superba Dana) variability with westerlies fluctuations and ozone depletion in the Antarctic Peninsula area
Abstract: The assessment of environmental processes controlling variability of Antarctic krill ... variability of krill recruitment and stock density with hypothesised environmental factors. We demonstrated ... long-term relationship between Antarctic krill recruitment in the Antarctic Peninsula area and sea ... meaning strong westerly winds coincided with good levels of krill recruitment in 1981182 (austral summer ...
Meeting Document : WS-AREA 48-98/5 : Author(s): M. Naganobu, K. Kutsuwada, Y. Sasai and S. Taguchi (Japan)
-
Modelling the consequences of Antarctic krill harvesting of Antarctic fur seals
Marine Living Resources (CCAMLR), management advice for the Antarctic krill (Euphausia superba) fishery ... should take the needs of the predators of krill into account in order to reduce the risk of deleterious ... an annual krill catch limit, which is expressed as a proportion (??= 0.116) of a survey biomass estimate ... . This approach takes the needs of predators into account in only a crude way by assuming that a median krill ...
Meeting Document : WG-EMM-01/66 : Author(s): R.B. Thomson, D.S. Butterworth (South Africa), I.L. Boyd and J.P. Croxall (United Kingdom)
-
Precautionary, ecosystem-based management for the Antarctic krill fishery: a work in progress
Abstract: The Antarctic krill fishery is expanding at a time when the Antarctic Peninsula ... marine ecosystems and will almost certainly affect krill. It is therefore CCAMLR’s responsibility ... to enhance its precautionary management of the krill fishery in line with Convention objectives. This paper ... provides an update on the krill fishery; discusses the consideration of climate change in krill fisheries ...
Meeting Document : SC-CAMLR-XXXVII/BG/17 : Author(s): Submitted by ASOC
-
Krill distributions and their diurnal changes
Abstract: Krill swarms were recorded acoustically along a 2340 Nm of the ice edge between ... in both:horizontal and vertical krill distributions. Author(s): M. Godlewska and Z. Klusek (Poland) Title: Krill ... Krill swarms were recorded acoustically along a 2340 Nm of the ice edge between Elephant Island ... and vertical krill distributions. ...
Meeting Document : WG-KRILL-91/34 : Author(s): M. Godlewska and Z. Klusek (Poland)
-
Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic peninsula region
Abstract: A net sampling survey for krill was carried out by RV ‘Meteor’ along the Antarctic ... a factor of 1.6 times. Krill mortality was calculated by linearized catch curve analysis and resulted ... of 0.88 to 0.94 for different years. The exchange rate of water masses and krill biomass within one summer ... (s): Delegation of Germany Title: Estimation of krill (Euphausia superba) mortality and production rate ...
Meeting Document : WG-KRILL-91/15 : Author(s): Delegation of Germany
-
Analysis of operating conditions of the fishing vessel in relation to the distribution, biological state and behaviour of Antarctic krill (a contribution to the development of a simulation model)
Abstract: The paper considers peculiarities of krill fishery conducted by a krill fishering ... and processing vessel producting krill meat. The vessel operated in the Commonwealth Sea, the Cosmonaut Sea ... of raw krill for processing. The catsh size was regulated by varying haul duration on yhe basis on echo ... size composition of krill in the catches. Preference was given to larger krill. The density of krill ...
Meeting Document : SC-CAMLR-VIII/BG/23 : Author(s): Delegation of USSR
-
How trophic dynamics of adult Antarctic krill Euphausia superba responses to the condition of no ice in the water during the winter: a case study at South Georgia?
Abstract: Understanding the variation in krill diet during winter is crucial to elucidate ... the overwintering of krill in the Southern Ocean. The information on trophic variation of krill under ice-free ... waters during the winter can also provide the insight for understanding the response of krill to global ... in diet of adult krill with size and month during the winter season (June to September 2016) at the South ...
Meeting Document : WG-EMM-2019/P04 : Author(s): G.P. Zhu, H.T. Zhang, B. Deng and Q.Y. Yang
-
Hydroacoustic assessment of krill in Area 58 of the Indian Ocean sector of the Antarctic region
Abstract: On the basis of acoustically registered krill swarms along a 1097 nm transect ... in the area 58 of Indian Ocean Sector of Antarctic region, the biomass density of krill, their spatial ... and depth distribution are presented. The mean density of krill biomass between 60°00'S and 61°00' ... ; S parallels 34°00'E and 40°00'E meridian was recorded as 0.6t.km-2. Presence of krill ...
Meeting Document : WG-EMM-98/36 : Author(s): Z. Klusek and A. Anrose (India)
-
Male krill grow fast and die young
Abstract: The size-differentiated sex ratio (proportion of males: POM) of Antarctic krill ... and the southwest Atlantic sector, and from the krill fishery in the Southern Ocean. The percentage of males in size ... classes of adult krill was generally high in krill of 30-35 mm total length, always low in 38-42 mm krill ... , sometimes showed higher values in 45-50 mm krill, but always decreased in the largest krill (>50 mm ...
Meeting Document : WG-EMM-07/P6 : Author(s): S. Kawaguchi, L.A. Finley, S. Jarman, S.G. Candy (Australia), R.M. Ross, L.B. Quetin (USA), V. Siegel (Germany), W. Trivelpiece (USA), M. Naganobu (Japan) and S. Nicol (Australia)
-
THE ANTARCTIC KRILL AND ECOSYSTEM SURVEY WITH R/V “G. O. SARS” IN 2008
Abstract: This report describes the multipurpose AKES survey (Antarctic Krill and Ecosystem ... purposes for the AKES project were to • evaluate the links between the krill resources and distribution ... in the area and Bouvetøya based mammals and birds • study krill biology and ecology • establish TS (Target ... strength; the ability of an organism to reflect sound) for krill and ice fish • study aggregations of krill ...
Meeting Document : WG-EMM-08/28 : Author(s): S.A. Iversen (Norway), W. Melle, E. Bagøien, D. Chu, B. Edvardsen, B. Ellertsen, E. Grønningsæter, K. Jørstad, E. Karslbakk, T. Klevjer, T. Knutsen, R. Korneliussen, H. Kowall, B. Krafft, S. Kaartvedt, P.B. Lona, S. Murray, L. Naustvoll, L. Nøttestad, M. Ostrowski, V. Siegel, Ø. Skagseth, G. Skaret, H. Søiland, X. Zhao and C.B. Årnes