Search results
-
Biology, distribution and abundance of Antarctic krill (Euphausia superba) and by-catch
'S to 61°13'S and long.30°02'E to 40°05'E. These were analysed onboard FORV Sagar ... of 18 days from 26th January to 12th February '96. Three types of gears were used viz. Isaacs Kidd ... trawl. The length frequency analysis indicated a bimodel distribution with 19-20 mm and 53-54mm ... 'S and long.30°02'E to 40°05'E. These were analysed onboard FORV Sagar Sampada for the study of biology ...
Meeting Document : WG-EMM-98/37 : Author(s): A. Anrose, Z. Klusek, M.K.R. Nair and M. R. Bhoopendranath (India)
-
Population dynamics of black-browed and grey-headed albatrosses Diomedea melanophris and D. chrysostoma at Bird Island, South Georgia
categories delaying one further year (even when still paired). Grey-headed Albatrosses are essentially ... one further year (even when still paired). Grey-headed Albatrosses are essentially biennial, ... Island, South Georgia for 17 consecutive years (1975-1991). Over this period almost all the Grey-headed ... ) decreased. Black-browed Albatrosses follow an annual breeding cycle, with over 80% of birds successful ...
Meeting Document : WG-CEMP-93/06 : Author(s): P.A. Prince, P. Rothery, J.P. Croxall and A.G. Wood (United Kingdom)
-
Longline fishing at Tristan da Cunha: impacts on seabirds
lines during the day, only one bird (a Great Sheawater Puffinus gravis) was killed (mortality rate 0.001 ... effort, probably has a much greater impact. Observations aboard one vessel in mid-winter suggest ... lines during the day, only one bird (a Great Sheawater Puffinus gravis) was killed (mortality rate 0.001 ... effort, probably has a much greater impact. Observations aboard one vessel in mid-winter suggest ...
Meeting Document : WG-FSA-01/15 : Author(s): N. Glass, I. Lavarello, J.P. Glass and P.G. Ryan (South Africa)
-
Validation of sink rates of longlines measured by two different methods
Abstract: We measured sink rates of longlines using two different methods: one was string wrapped ... We measured sink rates of longlines using two different methods: one was string wrapped around ... and unreliable with bottles. Bottles had a higher failure rate (51 – 68 %) than TDRs (> 90 %), for example ... : Validation of sink rates of longlines measured by two different methods Approval: Approved ...
Meeting Document : WG-FSA-03/62 : Author(s): B. Wienecke and G. Robertson (Australia)
-
KRILL DENSITY ESTIMATES IN CCAMLR SUBAREA 48.6 BASED ON ACOUSTIC DATA COLLECTED DURING JANUARY–MARCH 2008
continuously on six frequencies along one west-east and two south-north transects between latitudes 50 and 66.4 ... continuously on six frequencies along one west-east and two south-north transects between latitudes 50 and 66.4 ... . The majority of the detected krill was distributed between 40 and 80 m depth, and approximately 14 ... . The majority of the detected krill was distributed between 40 and 80 m depth, and approximately 14 ...
Meeting Document : WG-EMM-09/45 : Author(s): G. Skaret, B.A. Krafft and R. Korneliussen (Norway)
-
Updated description of Patagonian toothfish (Dissostichus eleginoides) tagging and ageing programs in Division 58.5.2, 1997–2015
. These samples have detected fish as old as 51 years, increasing the previous maximum age estimate of 42 years ... . These samples have detected fish as old as 51 years, increasing the previous maximum age estimate of 42 years ... to include 6 vessels, 5 operating exclusively longline, and one dual purpose longliner/trawler. To enhance ... to information on the structure of the population. The ageing program at AAD has produced an additional 2559 ...
Meeting Document : WG-FSA-15/55 : Author(s): D.C. Welsford, B. Farmer, T.D. Lamb, C. Péron, E. Woodcock and P.E. Ziegler (Australia)
-
Escapement of elephant seal prey in the Heard Island fishery for Dissostichus eleginoides
and related to a specific size class of fish. However, it seems that toothfish in the age range of 2-6 years ... of young fish (ages 2-6 years old) under the current catch limit of 3800 tonnes in the trawl fishery ... of fish. However, it seems that toothfish in the age range of 2-6 years are likely to be vulnerable ... the fishery for toothfish in Division 58.5.2 might have on the abundance of the age classes of toothfish ...
Meeting Document : WG-EMM-97/42 : Author(s): Slip, D., Constable, A.J., de la Mare, W.K., Williams, R.
-
Distribution of foraging by female Antarctic fur seals
intensively. However, mean consumption was about one-tenth of the mean density of krill. Author(s): I.L. Boyd ... intensively. However, mean consumption was about one-tenth of the mean density of krill. ... . This pattern was consistent among years of different prey availability. Lactating females were constrained ... to forage mainly within 100 km of the location at which the offspring was being raised. When this constraint ...
Meeting Document : WG-EMM-03/38 : Author(s): I.L. Boyd, I.J. Staniland and A.R. Martin (United Kingdom)
-
Proposal for a longline survey on toothfish in Statistical Subarea 48.6 in 2017/18
years the aim is to expand the investigation and involve additional collaborating members. In 2018 a new ... and acoustic techniques. The proposed research is pertinent to issues raised by the Scientific Committee (SC ... information on distribution, relative abundance, and life history of bycatch species. This initial year ... co-ordinated with on-going activities in the same area by Japan and South Africa. In future years ...
Meeting Document : WG-FSA-17/61 Rev. 1 : Author(s): Delegation of Norway
-
CDS Implementation and Data Analysis
and one NCP cooperating with CCAMLR by participating in the CDS, and one NCP with limited access ... The CDS was effectively implemented in 2019 by 16 Member States, three Acceding States and one NCP ... cooperating with CCAMLR by participating in the CDS, and one NCP with limited access to the CDS. CDS reports ... in the CDS data was undertaken for 2018 and 2019. Across both years Chile had the greatest number of DCDs ...
Meeting Document : CCAMLR-38/BG/10 Rev. 2 : Author(s): CCAMLR Secretariat