Résultats de la recherche
-
e-sc-xxviii-a7.pdf
... toothfish/icefish 3.13 Data were available from one vessel, Southern Champion, which conducted two trawl ... recorded as caught in the mainline (one in Subarea 48.3, two in Division 58.5.2), and two crabeater seals ... to use a seal exclusion device although it had used one in the previous year in Subarea 48.3 ... the Dalmor II, two from the Saga Sea and one from Juvel. Finfish 3.24 No marine mammal incidental
application/pdf attached to:WG-IMAF-09
Meeting Report : WG-IMAF-09
-
e-sc-xv-a5.pdf
... conducted during the years 1984 to 1990 to assess one-year- old fish in the South Georgia and Shag Rocks ... . WG-FSA recognised that the data collection procedure has been designed for either one or two ... adjacent to Subarea 48.3. In one year (1986) this by-catch reached 26 000 tonnes. 17 4.12 If ... , Length and Age Data 3.3 A summary of catch data from the 1996 split-year had been prepared by the
application/pdf attached to:WG-FSA-96
Meeting Report : WG-FSA-96
-
Fishery Report: Dissostichus eleginoides and Dissostichus mawsoni South Sandwich Islands (Subarea 48.4)
80 to 140 cm in length, with a broad mode at approximately 90–130 cm (Figure 2). Dissostichus ... recruitment of a new strong year class into the fishery (70–80 cm length class). This was also observed in ... -at-length proportions and the mean weight of the fish. 20. In each year, the length frequencies of ... sample of any one year, for each year in the 35-year projection period. 34. The level of escapement was ...
Document : Site Section: Publications
-
Breeding numbers and success of Eudyptes penguins at Marion Island, and the influence of mass and time of arrival of adults
Oscillation event of 1997/98, there was no significant correlation in mass on arrival between the two species ... penguins (Eudyptes chrysolophus) over 26 years, as there was also for eastern rockhopper (E. chrysocome ... filholi) over 22 years, suggesting that overwintering conditions may influence the proportions of birds ... Marion Island Trypot Hole than at the other two colonies. Over the 20-year period, it averaged 0.49 ... species of Eudyptes (crested) penguins breed at Marion Island (46.9°S 37.9°E), one of two islands in the ... usually intermediate between levels recorded at the other two colonies. Over the 26-year period ... relationship between the two parameters for rockhopper penguins. However, for macaroni penguins, in years of ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 175–190 : Auteur(s): Crawford, R.J.M., B.M. Dyer, J. Cooper and L.G. Underhill
-
Spatially explicit population dynamics models for Antarctic toothfish in the Ross Sea region
dynamics of spatial heterogeneity of the population along with age structure, movement and reproductive ... stage transition in a holistic framework. Using this software, three spatially explicit age-structured ... were consistent with the results of tagging studies and fits to the other observations (age ... rate of 1 All age by one year (30+ remain 30+) 1 - - - Total 16 processes 34 Mormede et al ... 5 10 15 20 25 30 Age (years) 1.0 0.8 ... (years) 0 5 10 15 20 25 30 0 ... al. 20 one or the other of these methods are available in various stock assessment modelling ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 19–37 : Auteur(s): Mormede, S., A. Dunn, S. Hanchet and S. Parker
-
Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea
been validated. The maximum estimated age was 14 years, but this should be regarded as a conservative ... ]), where L t is the pelvic length (PL) in centimetres at age t years. Applying this growth curve to the ... Paper Title: Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea Abstract ... precision was low, producing uncertain age estimates. Furthermore, annual deposition of thorn bands has not ... determine Pelvic length (cm) 0 20 40 60 80 100 T ho rn le ng th ( m m ) 0 2 4 6 8 10 12 14 ... aged thorns, 14 (9%) were judged unreadable. The readability of most thorns (80%) was scored as 3 or ... without the outliers was implausible, intersecting the x-axis at about one year. Thus no advantage was ... the Ross Sea P el vi c le ng th (c m ) (c) (b) (a) 0 2 4 6 8 10 12 14 0 20 40 60 80 ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 183–194 : Auteur(s): Francis, M.P. and C. Ó Maolagáin
-
e-sc-xxiii.pdf
... . It was convened by Dr S. Hanchet (New Zealand). WG-FSA-SAM met from 5 to 9 July in Siena, Italy ... two years by observers on board krill trawlers operating in Subarea 48.3 (South Georgia) (Annex 4 ... in the manual’s revision. 2.14 Unlike previous years, this year WG-FSA has not comprehensively ... ...................................................................... 17 Future Work of WG-EMM ................................................................ 20
application/pdf attached to:SC-CAMLR-XXIII
Meeting Report : SC-CAMLR-XXIII
-
e-sc-xx-a4.pdf
... operators (WG-EMM-01/39 and 01/ 44). Processed Product Yield (%) CF Whole 80–90 1.11–1.25 Peeled ... since 1996. A combination of factors may influence the location of the fishing fleet in any one year ... fishing in certain areas or avoiding other areas. Earlier Years 2.9 In the 1999/2000 split-year ... suggested and it was expected that a market price will be established in the next two years. 2.26 The
application/pdf attached to:WG-EMM-01
Meeting Report : WG-EMM-01
-
Length-age composition of the Patagonian toothfish, Dissostichus eleginoides, from the Kerguelen Island area
this period were located in the west shelf area (48°30’- 49°30’S and 66°50’- 67°20’E). Total catch was ... concentrated in the north shelf area (47°10’- 47°30’S and 66°50’- 67°20’E). Total catch was about 5.2 x 103 ... fluctuate considerably, mean fish length was 76.0- 86.6 cm. Fish of two to 14 years old age groups were most ... abundant in catches, mean age was 8.2- 9.8 years. In the 1991/92 season fishing for the species was ...
Meeting Document : WG-FSA-92/08 : Auteur(s): V.G. Prutko and V.N. Chikov (Ukraine)
-
Effect of orientation on broadband acoustic scattering of Antarctic krill Euphausia superba: implications for inverting zooplankton spectral acoustic signatures for angle of orientation
and video footage from several Antarctic krill were carried out to determine the effect of animal ... Classification (CMVC) approach, using generic and animal-specific theoretical and empirical model spaces. The ... animal-specific empirical model space was best able to invert for angle of orientation. The CMVC ... orientation based on broadband echoes from individual zooplankton in the field. Author(s): L.V. Martin ...
Meeting Document : WG-EMM-99/41 : Auteur(s): L.V. Martin Traykovski (USA), R.L. O’Driscoll (New Zealand) and D.E. McGehee (USA)