Résultats de la recherche
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How much is enough? analysis of the net sampling effort in the Elephant Island area necessary to adequately assess and describe krill and zooplankton assemblages during summer
data from at least 55 stations are required to adequately estimate krill, salp, and other zooplankton ... Abstract: Data from 1995-1997 US Antarctic Marine Living Resources (AMLR) Program surveys in the ... the (1) abundance and demographic structure of Antarctic krill and (2) relative abundance and ... interspecific relations of krill, salps and other macrozooplankton taxa in the Elephant Island area during ...
Meeting Document : WG-EMM-97/32 : Auteur(s): Loeb, V.
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CCAMLR protocol for krill biomass estimation
what is the protocol used to derive the current estimate of B 0, and no single document is currently ... in a paper submitted to WG-EMM 2016 so that a single published document will exist with the most up ... changes in assessing krill target strength (TS) and identifying acoustic targets have been introduced via ... protocol for krill biomass estimation Approval: Approved Secretariat Workflow Status: Content Approved ...
Meeting Document : SG-ASAM-16/02 : Auteur(s): S. Fielding, A. Cossio, M. Cox, C. Reiss and G. Skaret
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Results from the 2019 annual acoustic krill monitoring off the South Orkney Islands
Approval: Approved Secretariat Workflow Status: Content Approved Document Release Consent: No Delegation ... Abstract: In 2019, the annual IMR regional krill monitoring survey off the South Orkneys was ... conducted by RV Kronprins Haakon as part of the Scotia Sea large scale krill monitoring effort. To allow for ... surveys from 2011 to 2018. The distribution was similar to previous years with most krill along the shelf ...
Meeting Document : WG-EMM-2019/69 : Auteur(s): G. Skaret, B.A. Krafft, G. Macaulay, T. Knutsen and O.A. Bergstad
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Observation on interactions between marine mammals and krill mid-water trawl
Workflow Status: Content Approved Document Release Consent: No Delegation responsibility for releasing ... Abstract: An observation on the interaction between marine mammal and krill midwater trawl was ... carried out onboard the Chinese krill fishing vessel Fu Rong Hai during the 2018/19 fishing season. The ... observed either. The observation found the Antarctic fur seals would be attracted by the codend of krill ...
Meeting Document : SC-CAMLR-38/BG/20 : Auteur(s): Y. Ying, G. Fan, X. Zhao, J. Zhang, X. Wang and J. Zhu
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Synopsis of CEMP and non-CEMP predator parameters from Admiralty Bay and Cape Shirreff, South Shetland Islands, Antarctica: their relationships to krill abundance and ice cover, 1978–2003
performance indices collected at the two sites 2. Table 2. Data on annual variability in krill biomass density ... K.Reid for similar analyses at South Georgia. The tabular data include: 1. Table 1. A list of the penguin ... for the longer Admiralty Bay time series data. 6. Table 6. A summary of the R2 values for all indices ... parameters, and their relationships to krill abundance and ice cover indices for the period 1978-2003 ...
Meeting Document : WG-EMM-03/61 : Auteur(s): W.Z. Trivelpiece (USA), K. Salwicka (Poland) and S.G. Trivelpiece (USA)
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Multiple acoustic estimates of krill density at South Georgia during 2000/2001 reveal significant intra-annual and spatial variability
data revealed no significant difference between the mean krill density derived from only those 4 ... variability that could be used to set data from more restricted “snap-shot” cruises in a broader context. The ... single “snap-shot” acoustic survey data. This is a crucial step in the elucidation of response functions ... Abstract: Three separate acoustic surveys of Antarctic krill (Euphausia superba) were conducted ...
Meeting Document : WG-EMM-01/15 : Auteur(s): A.S. Brierley, C. Goss, S.A. Grant, J.L. Watkins, K. Reid, M. Belchier, I. Everson, M.J. Jessop, V. Afanasyev and J. Robst (United Kingdom)
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Modelling the dynamics of krill populations in the Antarctic Peninsula region
second method develops a fully age-structured population model and uses only the recruitment data to ... develop a model of the long-term dynamics. Data on the recruitment of the first and second age groups were ... data for the first age class produced an instantaneous mortality rate estimate of approximately 0.6 ... a relatively poor fit to the observed data. Using the recruitment data for the second age class ...
Meeting Document : WG-EMM-99/56 : Auteur(s): E.J. Murphy (United Kingdom), A. Constable (Australia) and D. Agnew (United Kingdom)
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Antarctic krill – Proposal of studies
biological data of the Antarctic krill has been greatly accumulated by many countries and organizations ... biomass counter for krill using sonic reverberation, which is already used for commercial fish, should ... be invented. Data permitting estimates on the potential krill harvest must be developed also not ... -seals, squids, and fish in the Antarctic. Birds are also one of main predators in the Antarctic. The ...
Document : Site Section: The Organisation
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Analysis of the Chilean operation in the Antarctic krill fishery, years 2017/18
Document Release Consent: No Delegation responsibility for releasing documents: Chile ... by the Chilean krill fishing ship Antarctic Endeavour throughout its first year of operation (2017 ... the production of krill meal. Effort, catch and CPUE, and the length frequency distributions of ... captured krill are recorded per trip and Subarea. Additionally, information is given on the yield obtained ...
Meeting Document : WG-EMM-2019/09 : Auteur(s): P.M. Arana and R. Rolleri
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A feedback management strategy for the krill fishery in Subarea 48.1
this), collecting data on predators and krill, delaying the start of the fishing season until this data ... -collection effort is underway, submitting the data to the Secretariat, increasing the frequency of catch and ... submitted data and applying the decision rule with the state variables relevant to each gSSMU, providing ... year. We used historical data to conduct retrospective analyses of our FBM strategy for two gSSMUs ...
Meeting Document : WG-EMM-16/48 : Auteur(s): G.M. Watters, J.T. Hinke and C.S. Reiss