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Комиссия по сохранению морских живых ресурсов Антарктики

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  1. Histopathology of Antarctic krill (Euphausia superba) bearing black spots

    Abstract:  In Antarctic krill, Euphausia superba, sampled by a Japanese scientific observer ... onboard a krill fishing vessel in the winter of 2003 and 2006 in the South Georgia region, the Antarctic ... Ocean, approximately 2-5% of sub-samples of 100 krill bore small black spots. The black spots were most ... from a gonadal tissue. These results suggest that the krill were affected by bacterial infections ...

    Meeting Document : WG-EMM-07/29 : Автор(ы): S. Miwa, T. Kamaishi, T. Matsuyama, T. Hayashi and M. Naganobu (Japan)

  2. A spatial multi-species operating model (SMOM) of krill–predator interactions in small-scale management units in the Scotia Sea

    Abstract:  A Spatial Multi-species Operating Model (SMOM) of the underlying krill-predator-fishery ... precautionary catch limit for krill among 15 small-scale management units (SSMUs) in the Scotia Sea to reduce ... of krill in each of the SSMUs, as well as the numbers of predator species in each of these areas. The ... krill. The SMOM developed here is intended for use as an operating model in a formal MP framework ...

    Meeting Document : WG-EMM-06/12 : Автор(ы): É. Plagányi and D. Butterworth (South Africa)

  3. Reconciling theoretical versus empirical target strengths of krill; effects of phase variability on the distorted wave Born approximation

    Abstract:  A model was recently proposed to predict the target strengths (TS) of Antarctic krill ... elements of a discretized bent cylinder (krill model) causes a dramatic flattening in the side-lobe regions ... krill TS measurements in McGehee et al. (1998). Thus, by accounting for phase-variability in the ... solution of the DWBA model, a more accurate and thus practical tool is developed for predicting krill TS ...

    Meeting Document : WG-EMM-02/50 : Автор(ы): D.A. Demer and S.G. Conti (USA)

  4. RELEVANT ISSUES IN REGARDS TO THE MANAGEMENT OF ANTARCTIC KRILL FISHERIES IN AREA 48

    monitoring plan for krill in Area 48. Due to the high level of risk associated with maintaining the current ... , the working group would consider interim protective measures to protect krill predators from the ... impacts of fishing. In order to adequately incorporate current uncertainties in regards to krill, krill ... :  RELEVANT ISSUES IN REGARDS TO THE MANAGEMENT OF ANTARCTIC KRILL FISHERIES IN AREA 48 Approval:  Approved ...

    Meeting Document : WG-EMM-09/31 : Автор(ы): L. Pshenichnov and G. Milinevsky (Ukraine)

  5. ALLOCATING THE PRECAUTIONARY CATCH LIMIT FOR KRILL AMONGST THE SMALL-SCALE MANAGEMENT UNITS IN AREA 48: THE IMPLICATIONS OF DATA UNCERTAINTIES

    Abstract:  Over the past few years WG-EMM has been developing a management procedure for the krill ... the distribution of predator demand (Option 2), krill standing stock (Option 3), or the difference ... distribution of predator demand and krill standing stock and assess their potential implications. We consider ... suggest that the data documenting the distribution of krill standing stock are likely to be more reliable ...

    Meeting Document : WG-EMM-08/12 : Автор(ы): P.N. Trathan and S.L. Hill (United Kingdom)

  6. The Role of Fish as Predators of Krill (Euphausia superba) and Other Pelagic Resources in the Southern Ocean

    Abstract:  First attempts were made in the early 1980’s to estimate the krill and pelagic food ... number of food studies were conducted. Currently, the best estimates of krill consumption by fish are 23 ... – 29. 106 tonnes of krill and other pelagic prey taken annually by demersal fish and 7 – 44. 106 tonnes ... quantitative winter food studies. However, it is evident from this review that the importance of krill in fish ...

    Meeting Document : CCAMLR-IWC-WS-08/09 : Автор(ы): Collins, M.A., Williams, R., Agnew, D.J., Kock, K.-H., Belchier, M., Shust, K.V., Welsford, D., Hanchet, S., Pshenichnov, L., Barrera-Oro, E.

  7. DISTRIBUTION OF KRILL AT THRESHOLD DENSITIES SUITABLE FOR FISHING IN THE ATLANTIC SECTOR: ANALYSIS OF THE 2000 SYNOPTIC SURVEY DATA

    shelf SSMUs in terms of the frequency of 1nm integration units with krill densities above and below a ... viable in pelagic SSMUs. This is despite the fact that the absolute abundance of both krill and fishable ... concentrations of krill is higher in pelagic than in shelf SSMUs. 5. We also derived empirical relationships ... between SSMU-scale krill density and the frequency of fishable integration units for the full range of ...

    Meeting Document : WG-EMM-08/16 : Автор(ы): S. Hill and D. Agnew (United Kingdom)

  8. Recruitment of Antarctic krill (Euphausia superba) and possible causes for its variability

    Abstract:  Between year variability of krill year class success and recruitment during the 1977 ... conditions during the preceding winter season, the timing of krill spawning, and the occurrence of dense salp ... concentrations. No correlation is shown with upper water column temperature or krill stock/spawning stock size. A ... concept is developed describing the interactions of various parameters leading to good or poor krill ...

    Meeting Document : WG-EMM-95/15 : Автор(ы): Siegel, V., Loeb, V.

  9. Estimating density and biomass of Antarctic krill (Euphausia superba) around South Shetland using the 2-dB difference method

    Abstract:  The distribution and abundance of krill aggregation inhabiting the Subarea 48.1, which ... 2016 and 38 and 200 kHz from March 6 to 14 and 38 and 120 kHz on April 27 and May 5 in 2017. Krill were ... identification) based on data from a transect-based survey. The weighted krill density and biomass were estimated ... and 83 thousand tonnes (CV=31.4%) applying S v difference-3.0-13.8 dB in 2017, respectively. Krill ...

    Meeting Document : SG-ASAM-18/08 : Автор(ы): S. Choi, K. Lee and D. An

  10. Development of methods relevant to feedback management (FBM) for the krill fishery

    Protected Area (MPA) development in CCAMLR Planning Domain 1 encompasses the major krill fishing grounds ... . Thus, data supporting FBM as an integral part of the broader management strategies of the krill ... krill density, distribution, availability and predator needs. A future developed FBM system, as ... with finer-scale knowledge of krill predator feeding strategies and updated through specific scientific ...

    Meeting Document : WG-EMM-18/08 : Автор(ы): B.A. Krafft, A. Lowther, G. Macaulay, M. Chierici, M. Biuw, A. Renner, T.A. Klevjer, R. Øyerhamn, C.A. Cárdenas, J. Arata, A. Makhado, C. Reiss and O.A. Bergstad

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E-mail: ccamlr [at] ccamlr [dot] org
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