Результаты поиска

1. Interannual variation in the diet of the Antarctic prion Pachyptila desolata at South Georgia

   . Antarctic krill Euphausia superba was the dominant prey item in three years and was replaced by calanoid ... copepods, especially Rhincalanus gigas and Calanoides acutus, in two years of low krill abundance ... krill availability Antarctic Prions forage closer inshore, taking copepods by filtering surface water ... to maintain a comparable level of reproductive success, unlike most other krill feeding species which ...

   Meeting Document : WG-EMM-97/12 : Автор(ы): Croxall, J.P., Edwards, T.M., Reid, K.

2. Evaluating MPA scenarios in Planning Domain 1 using a dynamic food-web model

   results indicate that protecting regions where krill are anticipated to concentrate in the future could ... positively affect biomass accumulation of krill and some krill predators. Additionally, protecting areas ... proposed for protection might positively impact the biomass of krill and krill predators. Protection of ...

   Meeting Document : SC-CAMLR-XXXVII/BG/04 : Автор(ы): Delegation of the USA

3. USING ECOSYSTEM STRUCTURE TO IDENTIFY FINER-SCALE SSMUS FOR OCEANIC AREAS IN SUBAREAS 48.1 TO 48.3

   Abstract:  One of the main issues in the management of the krill fishery is finding a spatial ... subareas. The oceanic SSMUs are the location of 72% of the estimated krill biomass, 61% of the estimated ... consumption of krill by predators and 10% of the cumulative total fishery catch in the three subareas (48.1 to ... ecological and oceanographic studies, and from the concentration of krill catches in limited parts of the ...

   Meeting Document : WG-EMM-11/18 : Автор(ы): S.L. Hill and J. Silk (UK)

4. On dispersion of different pelagic organisms, forming Antarctic backscattering in South Sandwich subarea during January–February 2000

   distribution nectonic organisms, non-krill zooplanctonic fraction and krill as detected my multi-frequency ... layers as follows: krill predominatingly contributes to the antarctic pelagic community within proving ... distributed in the Weddell Sea waters. Though krill and zooplankton major biomasses are concentrated in upper ... species. A comparative analysis of mean stratum Sa values obtained for krill and myctophid fishes ...

   Meeting Document : WG-EMM-01/61 : Автор(ы): S.M. Kasatkina and A.P. Malyshko (Russia)

5. Importance of myctophid fish distributions for formation of foraging areas of chinstrap penguins and Antarctic fur seals at Seal Island

   diurnal and overnight foragers during Leg II. Highest krill (Euphausia superba) densities regularly ... the offshore/slope regions over on the shelf: (1) krill were present near the surface throughout the ... day so that only shallow diving was required to catch krill even in the day time; (2) krill tend to be ... abundant areas for krill) over the shelf region (more abundant areas for krill). Author(s):  Bengtson, J.L ...

   Meeting Document : WG-EMM-95/87 : Автор(ы): Bengtson, J.L., Kawaguchi, S., Jansen, J.K., Takao, T., Meyer, W.R., Baba, N., Hiruki, L.M., Boveng, P., Cameron, M.F., Ogishima, T., Ichii, T., Naganobu, M.

6. A study on calibration for commercial echosounder using the bottom backscattering strength from a fishing vessel near the South Shetland Islands in Antarctic

   Abstract:  In this study, we calibrated a commercial echosounder (ES70) installed on a krill ... fishing vessel to use it in estimating biomass of Antarctic krill (Euphausia superba). The method of ... . 38kHz and 120kHz were used for the calibration, and krill swarm signals, obtained from multi frequencies ... calibration by bottom backscattering strength, since the proportion of krill swarm signals within 2 dB < S ...

   Meeting Document : WG-EMM-16/61 : Автор(ы): Delegation of the Republic of Korea

7. A study on calibration for commercial echosounder using bottom backscattering strength in Antarctic

   Abstract:  In this study, we calibrated a commercial echosounder (ES70) installed on a krill ... fishing vessel to use it in estimating biomass of Antarctic krill (Euphausia superba). The method of ... . 38kHz and 120kHz were used for the calibration, and krill swarm signals, obtained from multi frequencies ... calibration by bottom backscattering strength, since the proportion of krill swarm signals within 2 dB < S ...

   Meeting Document : SG-ASAM-17/P01 : Автор(ы): S.-G. Choi, H. Lee, K. Lee and J. Lee

8. Approaches to data collection and analysis for detecting and quantifying functional overlap at the scale of the individual vessell

   between the krill fishery and pelagic krill predators has been discussed throughout the SC-CAMLR Working ... interactions and competition between the krill fishery and krill-dependent predators during fishing operations ... , and b) how krill acoustic surveys and transects could also be used to provide data for wider ecosystem ...

   Meeting Document : WG-EMM-18/33 : Автор(ы): M. Söffker and N. Gasco

9. Reconciling fisheries with conservation: three examples from the Southern Ocean

   CCAMLR with regard to fisheries on Antarctic krill (Euphausia superba), mackerel icefish ... a unique set of circumstances and unresolved concerns. While the current fishery for krill is small ... land-breeding krill predators may pose a threat as well as those posed by the broader-scale influence ... of climatic cycles and trends on krill production. Management of the fishery on mackerel icefish ...

   Meeting Document : WG-EMM-04/48 : Автор(ы): R.P. Hewitt (USA), I. Everson (United Kingdom) and C.D. Jones (USA)

10. Analysis of the diet of Champsocephalus gunnari in Subarea 48.3, in late summer of years 1994–97, Dr E. Holmberg surveys

    ;Q" (%) methods. Krill (Euphausia superba) followed by the amphipod hyperiid Themisto ... years of krill scarcity and fish, was only occasional or in negligible amounts, showing interannual ... of krill in the Statistical Subarea 48.3 in the period investigated can be defined as low in 1944 ... , equivalent to those years of krill scarcity; intermediate in 1995, below the historical years of high ...

    Meeting Document : WG-FSA-97/48 : Автор(ы): Barrera-Oro, E., Marschoff, E., Casaux, R.

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