Результаты поиска

1. Modelling the dynamics of krill populations in the Antarctic Peninsula region

   Abstract:  The current long-term estimates of mean recruitment rates suggest that the population ... estimates of recruitment to the population can be used to model in detail interannual variation in the ... population dynamics of krill and estimate the expected mortality rates. A number of models of the population ... dynamics of krill are used to assess to what extent they can explain the observed changes in the density of ...

   Meeting Document : WG-EMM-99/56 : Автор(ы): E.J. Murphy (United Kingdom), A. Constable (Australia) and D. Agnew (United Kingdom)

2. Increase in relative abundance of fjord Notothenia rossii in Potter Cover, South Shetland Islands, after the decrease associated with commercial fishing in the area

   Abstract:  A monitoring program of demersal fish in inshore sites of the South Shetland Islands ... has continued in Potter Cove from 1991 to 1999, covering a continuous sampling period of sixteen years ... of fjord fishes of the species Notothenia rossii and Gobionotothen gibberifrons in relation to the ... previous study, is still evident. An increasing trend of N. rossii catches was observed, but the actual ...

   Meeting Document : WG-FSA-99/30 : Автор(ы): E.R. Barrera-Oro, E.R. Marschoff and R.J. Casaux (Argentina)

3. RESULTS OF THE RESEARCH PROJECT TO DIGITIZE HISTORICAL SOVIET KRILL FISHING EXPEDITION DATA

   stock. The data was recorded in the paper forms as expedition logbooks and represent an exclusive set of ... commercial expedition’s data has been realized in Ukraine at the Southern Research Institute of Marine ... Fisheries and Oceanography of the Ukraine State Fishery Committee and at the Taras Shevchenko National ... University of Kyiv. This valuable set of krill data was collected during Soviet Union krill-fishing ...

   Meeting Document : CCAMLR-XXVIII/BG/18 : Автор(ы): Delegation of Ukraine

4. Diet of the cape petrel Daption capense during the post hatching period at Laurie Island, South Orkney Islands, Antarctica

   Abstract:  The diet of the Cape petrel Daption capense was investigated at Laurie Island, South ... contents of adults and regurgitate of chicks were sampled during the post-hatching period. The analysis ... in terms of frequency of occurrence. Fish prey formed near 64% by mass, with krill forming 35.8 ... . Amphipods were present in lower numbers and Cephalopods were only a very small portion of the diet of Cape ...

   Meeting Document : WG-EMM-96/44 : Автор(ы): Montalti, D., Coria, N.R., Soave, G.E.

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

   fishery in Statistical Area 48. This procedure will involve, inter alia, subdivision of the precautionary ... catch limit among a set of small-scale management units. So far the Working Group has identified six ... candidate methods for subdividing the catch limit and rejected one of them as unsuitable (Option 1 ... - subdivision based on the distribution of historical catches). In recognising the need for a “staged ...

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

6. THE POWER OF ECOSYSTEM MONITORING

   ecosystem monitoring programme, the utility of which depends upon its ability (measured by the statistical ... monitoring programme of the predators of Antarctic krill Euphausia superba at South Georgia together with a ... power to detect the effects of different levels of fishing was examined. 3. The power to detect the ... effects of fishing using either the krill population or a combined predator response index was low (20–40 ...

   Meeting Document : WG-EMM-08/P11 : Автор(ы): K. Reid, J.P. Croxall and E.J. Murphy

7. Results of E.L. Holmberg 1997 fish survey in Subarea 48.3

   Abstract:  The survey comprised 51 bottom trawl hauls taken in subarea 48.3. Of these, one was ... discarded due to net damage. About 80% of the hauls were taken in the shelf of South Georgia Islands (41 ... ) and the remaining in the Shag Rocks area (9); 64% of the hauls were intended as replicates of the ... position of hauls in the previous cruises. Mean densities were obtained considering the spatial aggregation ...

   Meeting Document : WG-FSA-97/47 : Автор(ы): Prenski, B., Calcagno, J., Marschoff, E.R., Gonzalez, B.

8. Variations in the diet composition and feeding intensity of mackerel icefish (Champsocephalus gunnari) at South Georgia (Antarctic)

   Abstract:  The diet composition and feeding intensity of mackerel icefish (Champsocephalus gunnari ... ) around Shag Rocks and the mainland of South Georgia was analyzed from c. 8,700 stomachs collected in ... Thysanoessa species. The proportion of krill and Themisto in the diet varied considerably between the three ... seasons, whereas the proportion of mysids in the diet remained fairly constant. Krill which has a high ...

   Meeting Document : WG-FSA-93/24 : Автор(ы): K.-H. Kock and S. Wilhelms (Germany), I. Everson (United Kingdom) and J. Gröger (Germany)

9. Results on by-catch of fish during Ukrainian, Polish and Japanese krill fishery in the South Orkney Islands, South Georgia and Shetland Islands areas

   Abstract:  Observations on abundance of by-catch fishes were made during fishing operations for ... krill Euphausia superba Dana conducted by the Ukrainian trawler Grigory Kovtun in the vicinity of South ... Georgia (May to July, 1992), the Polish trawler Lepus on the fishing grounds of South Orkney Islands and ... South Georgia area (July to August, 1992) and Niitaka Maru to the north of the South Shetland Islands ...

   Meeting Document : WG-FSA-96/19 : Автор(ы): Cielniaszek, Z., Pakhomov, E.A., Iwami, T.

10. A fine-scale model of the overlap between penguin foraging demands and the krill fishery in the South Shetland Islands and Antarctic Peninsula

    Abstract:  CCAMLR has been using the total catch of krill taken within 100 km of penguin colonies ... in their breeding season (December to March) as an index of overlap between the potential foraging ... areas of penguins and the distribution of the krill fishery in Subarea 48.1 (South Shetland Islands). As ... this index has proven unsuitable for a number of reasons, an alternative method of calculating an index ...

    Meeting Document : WG-EMM-Stats-96/06 : Автор(ы): Phegan, G., Agnew, D.J.

Страницы