Результаты поиска
-
Preliminary analysis of seabird by-catch using CCAMLR observer data
Dissostichus eleginoides and various factors, including the nature and use of mitigating measures as well as ... presence/absence of seabird catches and a Gamma model for the magnitude of non-zero catches. Sparsity of ... combined. Other analytical difficulties, particularly in using generalised linear models, related to the ... large number of potentially important factors, the lack of overlap between factors and the fact that ...
Meeting Document : WG-FSA-99/28 : Автор(ы): D.J. Agnew and J.P. Croxall (United Kingdom)
-
Krill population dynamics at South Georgia 1991–1997, based on data from predators and nets
scientific nets from the same area over the summers of 1991-1997. In comparing the 5 years with both predator ... sampling the same overall krill population. Greatest similarity results from comparing net samples with ... samples from late summer (March). From the 7-year predator time-series, within-year variation was greatest ... krill dominated during December but were completely replaced by small krill by February. The mean length ...
Meeting Document : WS-AREA 48-98/15 : Автор(ы): K. Reid, J. Watkins, J. Croxall and E. Murphy (UK)
-
An address to citizen’s marine summit
Abstract: The main aims of CCAMLR are reviewed in an essay which discusses the advances in the ... effectiveness of harvesting, arising from developments in science and technology in comparison with the ... essential between fishermen and scientists to ensure the provision of the data needed to test hypotheses ... related to the functioning of the Southern Ocean ecosystem. Although currently co-operation is fairly good ...
Meeting Document : WG-KRILL-93/32 : Автор(ы): I. Everson (United Kingdom)
-
Estimating confidence intervals for fish stock abundance estimates from trawl surveys
using the swept area method, using likelihood ratios from Aitchison's delta distribution ... . Simulation tests of the method show that unbiassed estimates of the density and biomass can be obtained and ... that the estimated confidence intervals have close to the nominal coverage probability. Performance ... deteriorates in cases where few of the hauls contain fish, and the coefficient of variation is high. The lower ...
Meeting Document : WG-FSA-93/20 : Автор(ы): W.K. de la Mare (Australia)
-
Cruise report EH-2013/02
Abstract: This report presents a summary of the work conducted onboard and a preliminary ... description of the results obtained during the research survey. The cruise started on april 26th and returned ... to Mar del Plata the 21st may 2013. The work was conducted in the CCAMLR statistical area 48.3 and ... its main objective was to obtain information on the status of the stocks of Chamsocephalus gunnari and ...
Meeting Document : WG-FSA-13/61 : Автор(ы): G. Álvarez Colombo, J. Bastida, F. Castro, Á. Cubiella, E. Gaitán, E. Marschoff, P. Martinez, L. Padovani, D. Palmerola, R. Reta, R. Silva, S. Vivequin, O. Wöhler and A. Zavatteri (Argentina)
-
Отчет Исполнительного секретаря за 2016/17 г.
Abstract: This annual report from the Executive Secretary, for the 12-months since CCAMLR-XXXV ... , is accompanied by an Implementation Report for the third year of the Secretariat’s Strategic Plan ... (2015–2018) and a report on implementation of the Secretariat’s Salary and Staffing Strategy during 2017 ... . Consistent with the Commission’s decision in 2002, these documents provide, inter alia, a basis for the ...
Meeting Document : CCAMLR-XXXVI/05 : Автор(ы): Executive Secretary
-
Herpes virus antibodies in Arctocephalus gazella from Cape Shirreff, Livingston Island, Antarctica
bovine herpesvirus-1 (BHV-1) strain. Antibodies against BHV-1 were detected in four (7.4%) samples. The ... utility of the extra vascular fluid for serological research in this matter is suggested. It is also ... recognized the microneutralization test as sensitive method for this search. This finding also contribute ... with the knowledge confirming the extended distribution range of herpesvirus, affecting a large number ...
Meeting Document : WG-EMM-01/59 : Автор(ы): O. Blank, J.M. Montt, M. Celedón and D. Torres (Chile)
-
Results of trials undertaken around Crozet Island using pots to target Patagonian toothfish
Abstract: Patagonian toothfish (Dissostichus eleginoides) is the target species of a bottom ... longline fishery occurring in the Southern Indian Ocean off Kerguelen and Crozet islands. This fishery is ... exposed to high levels of interactions with cetaceans removing fish from the fishing gear and to ... comparison with longliners. This paper describes the trial and the results obtained with different pot models ...
Meeting Document : WG-FSA-10/10 : Автор(ы): N. Gasco, P. Tixier and C. Guinet (France)
-
Models of larvae dispersion of Antarctic toothfish (Dissostichus mawsoni)
from the Antarctic continent north to approximately 57° S. Efforts to understand early life history and ... stock structure in the Ross Sea have parallels for populations in other regions of the Antarctic, and ... hypotheses about how stock structure is maintained may apply to each population. We provide an update of the ... circumpolar models of larval dispersion for D. mawsoni developed by Hanchet et al. (2008) using the HiGEM ...
Meeting Document : WG-FSA-12/48 : Автор(ы): A. Dunn, G.J. Rickard, S.M. Hanchet and S.J. Parker (New Zealand)
-
Identification of marine Important Bird and Biodiversity Areas for penguins in South Shetland and South Orkney Islands: a comparison of two different approaches
on pre-existing approaches but revised according to the specific ecology of Pygoscelis penguin ... species; • Key improvements to the pre-existing approach include 1) refining track interpolation methods ... , and 2) revision of parameters for the kernel analysis (the smoothing factor and the utilization ... distribution); • We applied the revised method to 24 datasets of tracking data (three species, seven colonies ...
Meeting Document : WG-EMM-17/35 : Автор(ы): M.P. Dias, A.P.B. Carneiro, V. Warwick-Evans, C. Harris, K. Lorenz, P. Trathan
Страницы
- « первая
- ‹ предыдущая
- …
- 928
- 929
- 930
- 931
- 932
- 933
- 934
- 935
- 936
- …
- следующая ›
- последняя »