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Albatross populations: status and threats
population monitoring the status (i.e. population trends) of two-thirds of the worlds ca. 150 albatross ... populations remain unknown. For those that are known, almost half are declining. The threats currently facing ... most serious threat facing albatrosses today. Twenty of the 24 species are known to be killed on ...
Meeting Document : SC-CAMLR-XV/BG/21 : Автор(ы): Submitted by SCAR
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New Antarctic deep-sea weird leech (Hirudinida: Piscicolidae): morphological features and phylogenetic relationships
tubercles on the venter and dorsal segmental tubercles, an uncommon appearance of its anterior sucker with ... Sea at depths from 1,221 to 1,433 m, is described and compared with related taxa based on ... earlike edges and an inner membrane around the mouthpore, well-developed musculature and a unique ... attributed, in part, to temporary associations of A. shandikovi n. sp. with its fish hosts and a need for ...
Meeting Document : WG-FSA-18/P01 : Автор(ы): A. Utevsky and S. Utevsky
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Determination of Antarctic krill acoustic back-scattering cross-section
obtained the dependence of the acoustic section of back-scattering of krill on its length at a frequency of ... -scattering for an individual krill for the given concentration : °0 . L~max I~max) ~n Lk2 -~-.- mln ... /Palm, = 20 103 • The echo signal level was determined with the help of an osciiograph which was ... -scattering of an individual krill on its length. The regression equation takes the following expression ... Go is related quadratically to the length. For the target strength of an individual krill, the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 141-152 : Автор(ы): Protaschuk, V.A. and T.A. Lukashova
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Otolith and body size relationships in bigeye grenadier (Macrourus holotrachys) in CCAMLR Subarea 48.3
size models should be derived for each fish population under investigation. The length of fish chosen ... explained over 60% of the variation of the data, an improvement on the 30% obtained when using otolith ... on otolith size/fi sh size relationships for Southern Ocean macrourids has been obtained from only ... predictions based on otolith mass range from ±3 cm for the smallest fi sh analysed (17 cm anal length ... ) rising to ±5 cm for the largest. CIs for predictions based on otolith length range from ±4 cm for the ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 133–143 : Автор(ы): Morley, S. and M. Belchier
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Numerical model of ecosystem including Euphausia superba Dana as a key species in circumpolar region
Abstract: On the processes to investigate a proper model for understanding the processes that ... integrated model with the above 5 items. This year, we have developed an OGCM and a one dimensional ecosystem ... govern the biochemical cycle in Antarctic Ocean, we made a research plan as follows: (1) to develop an ... applied to primary production in Antarctic Ocean (3) to develop an ecosystem model able to describe krill ...
Meeting Document : WG-Krill-94/26 : Автор(ы): M.J. Kishi and M. Naganobu (Japan)
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Hydrographic conditions in the Elephant Island plateau region during December 1996
Abstract: Based on historic data as provided by the World Ocean Atlas 1994, the general climatic ... background for temperature, salinity and silicate is given for the area between the Fa1kland (Malvinas ... -operative analysis of data sampled throughout the years in the Elephant Island Plateau Region. With the new ...
Meeting Document : WG-EMM-97/06 : Автор(ы): Stein, M.
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Beach litter survey Signy Island, South Orkney Islands, 1992/93
Abstract: A beach litter survey was carried out on Signy Island, South Orkney Islands during the ... and the total number of items recovered. For example, at Foca Cove, the total weight of debris ... same beach over the three years the numbers of polypropylene packaging bands fell by 93%. The results ... show a very encouraging decline in the incidence of marine debris. However, the reasons for the decline ...
Meeting Document : CCAMLR-XII/BG/07 : Автор(ы): Delegation of United Kingdom
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Interannual variability of standardised index of krill abundance in Area 48 according to CCAMLR fishery statistics database
Abstract: Standardization of fishing effort on the basis of the generalized linear models with ... of fishery at the scale of Area 48, Subareas 48.1-48.3, SSMUs and years using CAMLR statistical ... performance of the fishery and attractiveness of any SSMU for fleet operation will determined by the fishable ... CAMLR statistical database cannot be used for quantitative understanding of the process of the actual ...
Meeting Document : WG-EMM-10/17 : Автор(ы): P.S. Gasyukov and S.M. Kasatkina (Russia)
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Age and growth of Scotia Sea icefish Chaenocephalus aceratus (Lönnberg, 1906), from the South Shetland Islands
from different institutions. The age range was 1-17 years for females and 1- 15 years for males. Von ... asymptotic length L??(cm) and K (year-1) were respectively 79.8 and 0.07 for females and 60.0 and 0.09 for ... species. Overall, 357 specimens ranging from 13 and 67 cm (TL) were selected for the present study. Ages ... Bertalanffy growth curves were fitted to the estimated age-length data for each sex. The estimated values of ...
Meeting Document : WG-FSA-02/77 : Автор(ы): M. La Mesa, J. Ashford, E. Larson and M. Vacchi
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Decline of Antarctic fur seal (Arctocephalus gazella) population at SSSI No. 32, South Shetlands, Antarctica, during 1997/98: a discussion of possible causes
Shetland archipelago. We compiled historical information for Cape Shirreff and San Telmo islets located on ... performance. Hucke-Gaete et al. (1998) report that pup growth rates for 1997/98 season do not reflect an El ... Antarctic fur seal (Arctocephalus gazella) on the Antarctic peninsula region, specifically on the South ... the northen tip of Livingston island, where the most important colony of this species on the South ...
Meeting Document : WG-EMM-98/17 : Автор(ы): R. Hucke-Gaete, D. Torres, A. Aguayo and V. Vallejos (Chile)
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