Résultats de la recherche
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Monitoring krill population variability using seabirds and seals at South Georgia – new samplers provide new insights
distribution and abundance of a single dominant zooplankton species, Antarctic krill Euphausia superba. At ... South Georgia interannual variability in the krill-based marine ecosystem has historically been most ... population size structure of krill in the diet of Antarctic fur seals Arctocephalus gazella, particularly ... associated with periods of low krill biomass, has shown that the population dynamics of krill is a major ...
Meeting Document : WG-EMM-04/63 : Auteur(s): K. Reid, E.J. Murphy, J.P. Croxall and P.N. Trathan (United Kingdom)
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Spatio-temporal variability in the winter diet of larval and juvenile Antarctic krill, Euphausia superba, in ice-covered waters
and a major fisheries resource. The winter survival of age class 0 (AC0) krill is susceptible to ... Abstract: Antarctic krill Euphausia superba is an ecological key species in the Southern Ocean ... limited. We studied the spatio-temporal variability of the diet in 4 cohorts of AC0 krill in the Northern ... show that the diet of overwintering AC0 krill varies significantly in space and time. Variability in ...
Meeting Document : WG-EMM-18/P18 : Auteur(s): F.L. Schaafsma, D. Kohlbach, C. David, B.A. Lange, M. Graeve, H. Flores and J.A. van Franeker
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Krill population dynamics in the Scotia Sea: variability in growth and mortality within a single population
krill in the Antarctic occurs in a 21 relatively small number of regional fisheries within the Scotia ... Abstract: Understanding the demographics of Antarctic krill over large scales may be complicated ... length–frequency distribution of krill in the Scotia Sea using samples from the South 13 Shetland Islands ... of krill is represented in both populations simultaneously. It appears 19 that first-year krill are ...
Meeting Document : WG-EMM-02/16 : Auteur(s): K. Reid, E.J. Murphy (United Kingdom), V. Loeb and R.P. Hewitt (USA)
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Precautionary management of the Antarctic krill fishery at small spatial scales in the context of regional climate variability: pros and cons of coastal buffers, closed areas and move-on rules
management and enhance its public image. Author(s): Delegation of the United Kingdom Title: Precautionary ... changes in the oceanic domain add to the complexity of managing the Antarctic krill fishery, particularly ... plausible that removals of even small amounts of krill could have reduced foraging opportunities. We discuss ... three management tools that could provide conservation benefits for near-shore krill-dependent species ...
Meeting Document : SC-CAMLR-XXXV/BG/14 : Auteur(s): Delegation of the United Kingdom
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Characteristics of seasonal variation in diurnal vertical migration and aggregation of Antarctic krill (Euphausia superba) in the Scotia Sea, using the Japanese fishery data
vertical migration of Antarctic krill (Euphausia superba) associated with the brightness categories of the ... fisheries data. Average trawling depth usually showed a marked diurnal change during summer and winter in SS ... winter over the Scotia Sea. However, it shifted to shallower in early spring, when krill began to feed on ... Antarctic krill (Euphausia superba) in the Scotia Sea, using the Japanese fishery data Approval: Approved ...
Meeting Document : WG-EMM-04/44 : Auteur(s): K. Taki, T. Hayashi and M. Naganobu (Japan)
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Spatio-temporal dynamics of the Antarctic krill fishery in Subarea 48.1 based on data collected on board F/V Fu Rong Hai
Document Release Consent: No Delegation responsibility for releasing documents: CCAMLR Secretariat ... Abstract: Understanding of the dynamics of the Antarctic krill fishery and the krill population ... played an important role in the feed-back management of krill fishery. The CPUE data collected from the ... spatial dynamics of the population and the fishery of krill in CCAMLR Subarea 48.1. The acoustic data ...
Meeting Document : WG-EMM-18/41 : Auteur(s): Y. Ying, X. Wang, X. Zhao, J. Zhu, G. Fan and X. Yu
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Biomass estimates of Antarctic krill based on survey conducted by the Chinese fishing vessel FV Fu Rong Hai during the 2019 Area 48 survey
.docx Approval: Approved Secretariat Workflow Status: Content Approved Document Release Consent: No ... Abstract: As a contribution to the joint effort on the large-scale international synoptic krill ... survey of Area 48 (2019 Area 48 survey), the Chinese krill fishing vessel F/V Fu Rong Hai conducted the ... 10 th February 2019. Implementation and preliminary results on the estimates of krill biomass density ...
Meeting Document : SG-ASAM-2019/07 : Auteur(s): X. Wang, X. Yu, X. Zhao, J. Zhang, G. Fan, J. Zhu and Y. Ying
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An outline of the proposed dedicated krill survey for CCAMLR Division 58.4.1 during 2018/19 season by the Japanese survey vessel, Kaiyo-maru
participation of foreign scientists is welcome. This document is presented to SG-ASAM-17 with an intention to ... Abstract: A dedicated krill survey for CCAMLR Division 58.4.1 during 2018/19 season is planned by ... Japan. No krill biomass has been estimated in the Division since 1996 when Australia carried out BROKE ... . There are two main objectives of our survey: (1) estimation of krill biomass to update B(0) in the area ...
Meeting Document : SG-ASAM-17/01 : Auteur(s): H. Murase, K. Abe, T. Ichii and A. Kawabata
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Direct ageing of Antarctic krill (Euphausia superba) – potential utility of eyestalk sections for age determination
regions of interest, opening up many research questions that have eluded the scientific community. Author ... Abstract: We outline a method for the direct determination of age in Antarctic krill (Euphausia ... proof of concept study using several known age krill grown under controlled conditions at the Australian ... performed. First, longitudinal sections of the eyestalk from known age krill (2+ and 3+ years old) were ...
Meeting Document : WG-EMM-15/45 : Auteur(s): C. Reiss (USA), R. Kilada (Canada) and S. Kawaguchi (Australia)
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Krill faecal pellets drive hidden pulses of particulate organic carbon in the marginal ice zone
marginal ice zone Approval: Approved Secretariat Workflow Status: Content Approved Document Release ... estimates. We model the potential hidden flux of POC originating from Antarctic krill, whose swarming ... seasonal krill FP export flux of 0.039 GT C across the Southern Ocean marginal ice zone, corresponding to ... G.A. Tarling Title: Krill faecal pellets drive hidden pulses of particulate organic carbon in the ...
Meeting Document : WG-EMM-2019/P01 : Auteur(s): A. Belcher, S.A. Henson, C. Manno, S.L. Hill, A. Atkinson, S.E. Thorpe, P. Fretwell, L. Ireland and G.A. Tarling