Результаты поиска
-
Population dynamics of the wandering albatross Diomedea exulans at Marion Island: long-line fishing and environmental influences
that attempts to breed in a given year. Changes in several demographic parameters that appear to be ... lower than that of males. Males who lost partners took 40% longer than females to find a new mate ... , suggesting a male-biased population. Survival rates of juvenile males and females did not differ. The age ... supplementary food being made available by the initiation of a longline fishery for Patagonian toothfish ...
Meeting Document : WG-EMM-03/11 : Автор(ы): D.C. Nel, F. Taylor, P.G. Ryan and J. Cooper (South Africa)
-
Conflict or co-existence? Foraging distribution and competition for prey between Adélie and chinstrap penguins
both species was exclusively Antarctic krill (Euphausia superba) of the same size range. In a year of ... low prey availability (2000), there was a statistically significant segregation of foraging areas ... between the two species, however, in a year of normal resource availability (2001) there was no such ... segregation. There was a significant difference in the foraging areas used by Adélie penguins between years ...
Meeting Document : WG-EMM-02/15 : Автор(ы): A.S. Lynnes, K. Reid, J.P. Croxall and P.N. Trathan (United Kingdom)
-
The Ross Sea, Antarctica, where all ecosystem processes still remain for study
Abstract: The Ross Sea is a well-defined embayment of Antarctica about the size of southern ... lost its large baleen whales but otherwise is intact. A huge multidisciplinary, international ... past 45 years. In particular the activities of the US, NZ and Italian Antarctic programs have been a ... growing. The economic value of the resources should be weighed against the value of the system as a unique ...
Meeting Document : WG-EMM-02/60 : Автор(ы): D. Ainley (USA)
-
Population dynamics of wandering albatrosses Diomedea exulans at sub-Antarctic Marion Island: longline fishing and environmental influences
and changes in the proportion of the population that attempts to breed in a given year. We describe ... females to find a new mate, suggesting a male-biased population. Survival rates of juvenile males and ... 1990s may be linked to large amounts of supplementary food being made available by the initiation of a ...
Meeting Document : WG-FSA-02/16 : Автор(ы): D.C. Nel, P.G. Ryan and J. Cooper (South Africa)
-
Solutions to seabird by-catch in Alaska’s demersal longline fisheries
for improvement and innovation. A key feature of this program was an industry-agency-academic ... abundance, attack rate, and hooking rate of seabirds in both fisheries. Based on our results, we recommend a ... , among regions. Paired streamer lines were robust in a wide range of wind conditions and required little ... adjustment as physical conditions changed. Functionally, paired streamer lines created a moving fence that ...
Meeting Document : WG-FSA-01/35 : Автор(ы): E.F. Melvin, J.K. Parrish, K.S. Dietrich and O.S. Hamel (USA)
-
Occurrence of Antarctic krill (Euphausia superba) concentrations in the vicinity of the South Shetland Islands: relationship to environmental parameters
(Euphausia superba) concentrations were studied in the waters north of the South Shetland Islands, a major ... water circulation in areas of krill concentrations was characterized by a sluggish current with eddies ... along the shelf break in the inshore zone and a shear current in the frontal zone, thus enhancing the ... , showing that the latter may also be a favored spawning area because of the higher probability of survival ...
Meeting Document : WG-EMM-98/18 : Автор(ы): T. Ichii, K. Kayatama, N. Obitsu, H. Ishii and M. Naganobu (Japan)
-
Investigations on midwater trawling for krill (Euphausia superba) in the Southern Ocean
hauls were made using a 2.5 m Isaacs-Kidd Midwater Trawl (IKMT) in the area 59°00’-61°08' S lat; 30 ... using a 42 m commercial krill midwater trawl sourced from Poland and a 49.5 m experimental krill ... '- 34°14' E. Author(s): M.R. Bhoopendranath, M.K.R. Nair, A. Anrose and V.C. George (India ...
Meeting Document : WG-EMM-98/38 : Автор(ы): M.R. Bhoopendranath, M.K.R. Nair, A. Anrose and V.C. George (India)
-
Demonstrating global leadership in marine spatial protection
commitment to meet the World Summit on Sustainable Development (WSSD) goal of designating a representative ... done in a short time. Fortunately, as the report of the workshop recognizes, experience demonstrates ... that progress in developing MPAs can be achieved relatively quickly if there is a dedicated effort to ... Reserves. Adoption of a general Conservation Measure on MPAs at CCAMLR XXX should assist Members in the ...
Meeting Document : CCAMLR-XXX/BG/20 : Автор(ы): Submitted by ASOC
-
ANTARCTIC FUR SEAL PUP PRODUCTION AND POPULATION TRENDS IN THE SOUTH SHETLAND ISLANDS WITH SPECIAL REFERENCE TO SOURCES OF ERROR IN PUP PRODUCTION ESTIMATES
Abstract: This paper reports the results of a ground survey of fur seal colonies from in the ... census in 2001/02 (10,057 ±142 pups born). Dead pups accounted for 1.64% of the total. A comparison with ... previous censuses over a 20yr period (1987, 1992, 1994, and 1996) indicates the rate of increase in fur ... lower pup production estimates in 2007/08. Author(s): M.E. Goebel (USA), D.E. Torres C. (Chile), A ...
Meeting Document : WG-EMM-PSW-08/14 : Автор(ы): M.E. Goebel (USA), D.E. Torres C. (Chile), A. Miller, J. Santora, D. Costa (USA) and P. Diaz (Chile)
-
DATA QUALITY ASSESSMENT IN CCAMLR: REQUIREMENTS FOR MINIMUM INTEGRITY TESTING TO ENSURE THAT DATA ARE FIT FOR PURPOSE
upon the different requirements for the data, together with a recognition that, however thorough a ... , to determine data integrity for a specific analysis. Identifying these levels of data validation is ... procedures across related CCAMLR datasets. Consideration may also be given to establishing a formal data ...
Meeting Document : WG-SAM-09/05 : Автор(ы): Secretariat
Страницы
- « первая
- ‹ предыдущая
- …
- 479
- 480
- 481
- 482
- 483
- 484
- 485
- 486
- 487
- …
- следующая ›
- последняя »