Результаты поиска
-
Variation in the distribution of Antarctic krill Euphausia superba around South Georgia
(PCA) provided good separation of these clusters using the first two axes (80 % of the total variance ... experience different conditions during transport to South Georgia and at either end of the island. Author(s ... types with relatively simple biological characteristics: cluster 1 were medium-sized year 2+ krill (mean ... size 39.7 mm); cluster 2 were a mixture of year classes (mean size 37.7 mm); cluster 3 were large krill ...
Meeting Document : WG-EMM-97/47 : Автор(ы): Daly, H.I., Murray, A.W.A., Watkins, J.L.
-
Conflict or co-existence? Foraging distribution and competition for prey between Adélie and chinstrap penguins
between the two species, however, in a year of normal resource availability (2001) there was no such ... the South Sandwich Islands to the Antarctic Peninsula. To investigate how these two species co-exist ... penguins and 24 chinstrap penguins were used to compare foraging distributions. In both years the diet of ... 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)
-
DEVELOPMENT OF RECOVERY PLANS FOR DEPLETED TOOTHFISH STOCKS IN THE INDIAN OCEAN SECTOR OF THE SOUTHERN OCEAN
years and then two years later. The surveys should have only low catches in order to not impede recovery ... trajectories indicate it is likely that it will be at least 5 years before it is sufficiently low risk to ... variability. After the two surveys, data should be analysed to determine how fast the stock is recovering and ... recovery strategy for Patagonian toothfish on Ob and Lena Banks. Author(s): D.C. Welsford, A.J. Constable ...
Meeting Document : WG-FSA-09/44 : Автор(ы): D.C. Welsford, A.J. Constable and J.P. McKinlay (Australia)
-
Natural fluctuations in the abundance of krill with due regard to global climate changes in the southern hemisphere: forecasting possibilities
years of development of El Niño off South America (Jordan, 1991). These facts may lead one to assume ... the South Ocean in recent years made it possible for scientists to establish a rather clear ... generations of krill were formed during the years when the winter position of the ice edge was south of the ... summer during such years of moderate winter in higher surface temperature. Salp occurred in mass ...
Meeting Document : WG-EMM-98/52 : Автор(ы): K. Shust (Russia)
-
Investigation of the sensitivity of the Ross Sea toothfish assessment to withholding subsets of the available data
model outputs of withholding from a stock assessment between one and eight years of age frequency and/or ... time as more years’ data becomes available. The 2009 stock assessment of Antarctic toothfish in the ... estimated by the models arising from withholding data was found to be highest in the earlier years of stock ... years, the change in estimated biomass arising from withholding data was much smaller, with values ...
Meeting Document : WG-SAM-11/17 : Автор(ы): S. Mormede (New Zealand)
-
Use of the Leslie stock depletion model for the assessment of local abundance of Patagonian toothfish (Dissostichus eleginoides)
) since 1989. Vessels from the former Soviet Union dominated the fishery for the first three years ... 1989/90. Since then the reported catch has been in the region of 3 000 to 4 000 tonnes, with the ... from Subarea 48.3 and adjacent waters. These estimates were, in some years, substantially different ... on the target species is difficult to assess, particularly in the early years of the fishery when ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 55–77 : Автор(ы): Parkes, G., C.A. Moreno, G. Pilling and Z. Young
-
Performance metrics to index the spatial coverage of mark-recapture data
new biomass-weighted spatial overlap summary statistics for tagging data. The method calculates two ... was 70% (95% CIs 53–80%), and the median tag overlap bias was 88% (95% CIs 64–114%). In 2014 the ... fisheries, and a measure of the change in bias of mark-recapture estimates through time. Author(s): C ... . Marsh, A. Dunn and S. Mormede Title: Performance metrics to index the spatial coverage of mark ...
Meeting Document : WG-SAM-16/13 : Автор(ы): C. Marsh, A. Dunn and S. Mormede
-
Plan of research program of the Russian Federation in Subarea 48.5 (Weddell Sea) in season 2012/13
Abstract: Closed mostly within the Weddell Sea Subarea 48.5 is one of the closed data-poor CCAMLR ... as one of the most promising area for exploratory fishery of Dissostichus sp. However, fishery in ... with CCAMLR decision rules. The program contains several phases and prospected for 3-5 years. Detailed ... Committee and Commission consideration. Author(s): A.F. Petrov, V.A. Tatarnikov and I.I. Gordeev (Russia ...
Meeting Document : WG-SAM-12/04 : Автор(ы): A.F. Petrov, V.A. Tatarnikov and I.I. Gordeev (Russia)
-
Plan of research program of the Russian Federation in Subarea 48.5 (Weddell Sea) in season 2012/13
Abstract: Closed mostly within the Weddell Sea Subarea 48.5 is one of the closed data-poor CCAMLR ... as one of the most promising area for exploratory fishery of Dissostichus sp. However, fishery in ... with CCAMLR decision rules. The program contains several phases and prospected for 3-5 years. Detailed ... Committee and Commission consideration. Author(s): A.F. Petrov, V.A. Tatarnikov and I.I. Gordeev (Russia ...
Meeting Document : WG-FSA-12/12 : Автор(ы): A.F. Petrov, V.A. Tatarnikov and I.I. Gordeev (Russia)
-
Seabird by-catch in the Patagonian toothfish longline fishery at the Prince Edward Islands: 1999–2000
around South Africa039;s Prince Edward Islands. Data were obtained from fishery observers aboard all 11 ... previous years, much of the variance could be explained in terms of fishing season (higher bycatch rate in ... within 200 km of the islands). Author(s): P. Ryan and B. Watkins (South Africa) Title: Seabird by-catch ... Abstract: This paper summarises seabird bycatch during the fourth year (July 1999-June 2000) of ...
Meeting Document : WG-FSA-00/30 : Автор(ы): P. Ryan and B. Watkins (South Africa)
Страницы
- « первая
- ‹ предыдущая
- …
- 328
- 329
- 330
- 331
- 332
- 333
- 334
- 335
- 336
- …
- следующая ›
- последняя »