Результаты поиска
-
The fish diet of black-browed albatross Diomedea melanophrys and grey-headed albatross D. chrysostoma at South Georgia
60% by mass of the diet of grey-headed albatrosses in 1986 and 1994 respectively. We determined the ... (40% estimated biomass), whereas in 1994 Pseudochaenichthys georgianus was the main fish prey (57% of ... from the commercial fishery, which was active in 1986 but closed in 1994. Otherwise the fish diet of ... Abstract: The fish component of the diet of black-browed and grey-headed albatrosses at South ...
Meeting Document : WG-EMM-96/11 : Автор(ы): Reid, K., Prince, P.A., Croxall, J.P.
-
Feeding ecology of the two sympatric fish species Notothenia rossii and N. coriiceps from western Antarctic Peninsula: a fatty acids and stable isotopes approach
useful tool to elucidate the flow of energy and trophic interactions in an ecosystem and to analyse the ... - Notothenia rossii and N. coriiceps – that are key components in the inshore ecosystem of the South Shetland ... flow, taking as representative of the area the local food web of Potter Cove, in King George Island ... , polychaetes and gastropods) were screened in order to re-evaluate their trophic position (TP) and the energy ...
Meeting Document : WG-FSA-2019/26 : Автор(ы): E. Moreira, M. Novillo, K. Mintenbeck, E. Barrera-Oro and M. De Troch
-
METHODOLOGY OF EVALUATING THE AQUATIC LIFE RESOURCES
applied in the proposed technique offer the mean integral values of probabilities. It is recommended to ... Abstract: ic life is developed in accordance with the rules of metrology, mathematical statistics ... water life was investigated through biocenotic conditionality in the areas of their equal probability in ... concentrations. The traditional method of squares in evaluating the stocks of water life was modernized with the ...
Meeting Document : WG-SAM-08/P02 : Автор(ы): L.A. Kovalchuk (Ukraine)
-
OCCURRENCE OF DWARF MINKE WHALES (BALAENOPTERA ACUTOROSTRATA SUBSP) AROUND THE ANTARCTIC PENINSULA
made only for the whales sighted in the proximity of the vessels when the specific diagnostic ... Abstract: The occurrence of dwarf minke whales (Balaenoptera acutorostrata subsp.) around the ... Antarctic Peninsula was examined based on 406 sightings of minke whales recorded during the Chilean ... Antarctic Scientific Expeditions and other opportunistic cetacean surveys. Identification of the species was ...
Meeting Document : WG-EMM-11/P2 : Автор(ы): J. Acevedo, C. Olavarría, J. Plana, A. Aguayo-Lobo, A. Larrea and L.A. Pastene
-
PROTECTING THE SOUTHERN OCEAN WHALE SANCTUARY: DEVELOPMENT OF A MANAGEMENT PLAN
Abstract: ASOC submitted a paper to the June meeting of the International Whaling Commission in ... updated version of the paper, which is now in circulation to all of the governments participating in the ... Santiago outlining the reasons why the IWC, in concert with CCAMLR and other appropriate international ... as an Opening Statement in accordance with IWC rules. Following the IWC meeting, ASOC prepared an ...
Meeting Document : CCAMLR-XXVII/BG/29 : Автор(ы): Submitted by ASOC
-
Extending the time series of catch-weighted length frequencies
use of CCAMLR data for D. eleginoides in Subarea 48.3 collected in the seasons 1992/93 and from 1994 ... from 1993/94 because of a mismatch in Flag State which presently occurs between the length and catch ... extended the existing time series of catch-weighted length frequencies for D. eleginoides in Subarea 48.3 ... an overlap of seasons. However there is a systematic difference in the overall number of fish ...
Meeting Document : WG-FSA-SAM-06/04 : Автор(ы): David Ramm & Lydia Millar
-
Spatial distribution and swarm characteristics of Antarctic krill around the South Shetland Islands
majority of swarms were also found in the upper 100 m layer. The swarm-based method provides a promising ... as swarms in a patchy fashion and the mean krill densities in December 2013 and February 2018 were ... Abstract: The spatial distribution and swarm characteristics of Antarctic krill were studied ... using the swarm-based method established in SG-ASAM-17. Acoustic data were collected from the FV Fu Rong ...
Meeting Document : WG-EMM-18/42 : Автор(ы): X. Yu, X. Wang and X. Zhao
-
Acquiring a ‘base datum of normality’ for a marine ecosystem: the Ross Sea, Antarctica
researchers who currently investigate open-ocean systems. Herein, the importance of top-down forcing in ... current functioning of the RSShelfE. In spite of this unique evidence for the Antarctic region, much ... pelagic and neritic marine ecosystems is reviewed with concrete evidence given for its existence in the ... remains to be learned about cross-component interactions in the Ross Sea system. Should the RSShelfE be un ...
Meeting Document : WG-EMM-04/20 : Автор(ы): D. Ainley (USA)
-
Entanglement of Antarctic fur seals (Arctocephalus gazella) by man made debris at Bird Island, South Georgia, during the 2005 winter and 2005/06 breeding season
reported here. Two entanglements were observed in the winter, a decrease of 60% from the previous year, and ... the lowest number seen since records began in 1990. One of these involved a male pup entangled in ... individual involved. In contrast there was double the number of observed entanglements during summer of 2005 ... made up the majority during the summer, in contrast to previous years. The majority (63%) of summer ...
Meeting Document : SC-CAMLR-XXV/BG/13 : Автор(ы): Delegation of the United Kingdom
-
Sea ice characterisation of the proposed Ross Sea region Marine Protected Area Special Research Zone
achieving the objectives of the proposed SRZ in the future. Based on historic satellite-derived sea ice ... in about half of the fishing seasons. Over the past 16 seasons, the SRZ was accessible to fishing in ... still removed from the area in constraining ice years (2010 and 2013). The main influence of sea ice on ... ice within and surrounding the boundaries of the proposed SRZ over the past 16 years, the impact it ...
Meeting Document : SC-CAMLR-XXXIV/BG/31 : Автор(ы): S. Parker, S. Hoyle, S. Hanchet and R.J.C. Currey (New Zealand)
Страницы
- « первая
- ‹ предыдущая
- …
- 480
- 481
- 482
- 483
- 484
- 485
- 486
- 487
- 488
- …
- следующая ›
- последняя »