Результаты поиска

1. Preliminary evaluation of two feedback management strategies for the krill fishery in Subareas 48.1–48.3

   of the Convention. Management strategies for the krill fishery are currently comprised of an overall ... catch limit and a spatial distribution of this limit. We used KPFM2 to assess the risks of feedback ... management units (SSMUs) every five years based on results of monitoring either (1) the density of krill (g·m ... feedback strategy mitigated risks, beyond those projected to be incurred by the status quo distribution of ...

   Meeting Document : SC-CAMLR-XXXVII/BG/12 : Автор(ы): Delegation of the USA

2. A preliminary proposal to conduct a local survey of the Champsocephalus gunnari by the midwater trawl in the Statistical Subarea 48.2

   Abstract:  Mackerel icefish (Champsocephalus gunnari) – one of the most common and widespread ... species of Antarctic fish. Ukraine proposes survey of Champsocephalus gunnari at previously scheduled ... stations (trawlings) points in the statistical Subarea 48.2. The main objective of the research is to ... determine the distribution and abundance of mackerel icefish in Subarea 48.2. Author(s):  Delegation of ...

   Meeting Document : WG-SAM-2019/24 : Автор(ы): Delegation of Ukraine

3. An updated descriptive analysis of the toothfish (Dissostichus spp.) tagging programme in Subareas 88.1 and 88.2 up to 2005/06

   Abstract:  A descriptive analysis of the toothfish tagging programme carried out in Subareas 88.1 ... still only available for about half of the non-New Zealand vessels for 2003-04. A reported total of 10 ... . About 17% of the recaptures could not be matched to a release observation, mainly because of missing ... ;80%) of Antarctic toothfish have moved less than 50 km. Sub adult fish (80–100 cm) have tended to ...

   Meeting Document : WG-FSA-06/34 : Автор(ы): A. Dunn and S.M. Hanchet (New Zealand)

4. Demography of Antarctic krill in the Elephant Island area (Antarctic Peninsula) during austral summer 2001

   around Elephant Island during 27 January to 4 February 2001. Results show a spatial separation of the ... juvenile and the spawning stock. The station grid was extended to the south, where a large proportion of ... high krill abundance and the high recruitment index reflect the end of a succession of years with poor ... for a successful spawning season, was G = 0.99, indicating an early initiation of the spawning season ...

   Meeting Document : WG-EMM-01/10 : Автор(ы): V. Siegel (Germany), B. Bergström (Sweden), U. Mühlenhardt-Siegel (Germany) and M. Thomasson (Sweden)

5. DISTRIBUTION AND ABUNDANCE OF SKATES ON THE KERGUELEN PLATEAU (CCAMLR DIVISIONS 58.5.1 AND 58.5.2)

   Abstract:  Three species of skates are commonly taken as incidental by-catch in the Patagonian ... . eatonii and B. irrasa are most abundant to the north and northwest of Heard Island out to the edge of the ... EEZ, and down to depths of 1100m and 1500m respectively. B. irrasa occurs much deeper, down to 2300m ... 700m, and are most abundant close to Heard Island to the north and northeast. The catch rates of skates ...

   Meeting Document : WG-FSA-09/43 : Автор(ы): G.B. Nowara, D.C. Welsford, T. Lamb (Australia), N. Gasco, P. Pruvost and G. Duhamel (France)

6. ECOLOGICAL REPERCUSSIONS OF HISTORICAL FISH EXTRACTION FROM THE SOUTHERN OCEAN

   Abstract:  A major mid-1980s shift in ecological structure of significant portions of the Southern ... Ocean was partially due to the serial depletion of fish by intensive industrial fishing, rather than ... stocks were on average reduced to <50%, and finally (mid-1980s) to <20%, of original size. Despite ... strong year classes, as is true of such fish elsewhere. A climate regime, the Southern Annular Mode, once ...

   Meeting Document : WG-EMM-08/P07 : Автор(ы): D. Ainley and L. Blight

7. A REVIEW OF BIAS AND UNCERTAINTY IN ANTARCTIC PACK-ICE SEAL ABUNDANCE ESTIMATES

   Abstract:  While the joint CCAMLR-IWC workshop will consider a number of parameters for species ... of pack-ice seals focuses primarily on abundance and to a lesser extent trends in abundance. The ... review addresses population surveys and abundance estimates for the four species of phocid seal commonly ... spatial scope covers the circumpolar extent of pack-ice, and the temporal scope spans a period of more ...

   Meeting Document : CCAMLR-IWC-WS-08/06 : Автор(ы): Steinhage, D., Bengtson, J., Blix, A.S., Bester, M., Boveng, P., Laake, J., Cameron, M., Nordøy, E., Forcada, J., Stewart, B., Southwell, C., Trathan, P., Rogers, T., Plotz, J., Bornemann, H.

8. Species variability and population structure of Euphausiacea in Admiralty Bay (King George Island; South Shetland Islands) during Antarctic summer

   Abstract:  The main component of zooplankton in Antarctic pelagic waters, apart from copepods or ... of the penguins and pinnipeds’ diet. Admiralty Bay, because of its specific hydrological conditions ... , is an interesting area for that kind of biological study. Moreover, King George Island, where ... Admiralty Bay is located, is a region of dynamic climate characterized by variable maritime conditions which ...

   Meeting Document : WG-EMM-14/60 : Автор(ы): A. Panasiuk-Chodnicka, J. Wawrzynek and M. Iwona Żmijewska (Poland)

9. DETECTION OF COLD SEEPS AND HYDROTHERMAL VENTS

   Abstract:  Cold seeps and hydrothermal vents can be detected by a number of oceanographic and ... geophysical techniques as well as the recovery of characteristic organisms. While the definitive ... identification of a seep or vent and its accompanying fauna is seldom unequivocal without significant effort. We ... suggest an approach to identifying associated VMEs in the CCAMLR region that uses the results of ...

   Meeting Document : WS-VME-09/09 : Автор(ы): Logan, G., O’Brien, P.E., Rollet, N., Kennard, J., Jones, A.

10. On reproduction of Electrona carlsbergi Tåning

    Abstract:  A subject of the present study is Electrona carlsbergi from the Atlantic sector of the ... Southern Ocean. Results from histological examination of gonads are presented. From materials available it ... has been ascertained that Electrona carlsbergi breeds in the notal zone. The ripening of females ... begins at body length of 76-78 mm. Vitellogenesis is asynchronous. Vitelline eggs have a diameter from ...

    Meeting Document : WG-FSA-90/20 : Автор(ы): G.P. Mazhirina (USSR)

Страницы