Search results
-
Fishery Report 2018: Dissostichus eleginoides South Georgia (Subarea 48.3)
Description / Abstract: Fishery Report 2018: Dissostichus eleginoides South Georgia (Subarea ... Fishery Report 2018: Dissostichus eleginoides South Georgia (Subarea 48.3) ... Fishery Report 2018: Dissostichus eleginoides South Georgia (Subarea 48.3) ... are provided in Appendix 1). 20. The stock of D. eleginoides in Subarea 48.3 was assessed using an age ... depth preferences with age, with juveniles (<50 cm) living on the continental shelf and moving ... , weights and maturity. Toothfish otoliths are collected by observers for an ageing program that provides ... length-at-age data for assessments. Observers also record whale occurrence at the vessel during hauling ...
Document : Site Section: Publications
-
Length-age composition of the Patagonian toothfish, Dissostichus eleginoides, from the Kerguelen Island area
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 concentrated ... was 5.8 years. Mean length of fish taken at 540- 600 m depth was 85.8, mean age was 9.7 years. Results ... considerably, mean fish length was 76.0 - 86.6 cm. Fish of two to 14 years old age groups were most abundant ...
Meeting Document : WG-FSA-92/08 : Author(s): V.G. Prutko and V.N. Chikov (Ukraine)
-
e-sc-38-a6.pdf
... of the Meeting of the Subgroup on Acoustic Survey and Analysis Methods (Bergen, Norway, 26 to 30 August 2019 ... /refined analysis, including taking into account any issues raised during WG-EMM ... Japanese survey ................................................................... 262 Review ... ............................................................ 262 Review of collection and analysis of krill acoustic data from fishing vessels ........ 264 ... the South Orkney Islands. The moorings had been deployed for 1 year and 6 months respectively in two ... different years. The results from both deployments indicated that krill were distributed within 20 m of the ... was set to 20 m for the 2019 Area 48 Survey). The scale of the differences in biomass of krill from ... nominated acoustic transects undertaken by fishing vessels in 2018 and 2019 and identified three areas for
application/pdf attached to:SG-ASAM-2019
Meeting Report : SG-ASAM-2019
-
Commission
The Commission, established under Article VII of the CAMLR Convention, gives effect ... to the Convention’s objectives and principles set out in Article II. The Commission includes a Scientific Committee ... on Administration and Finance Reports of Meetings of the Commission are published annually. A list of current chairs ... and conveners is published on the Who's who in CCAMLR page. The Commission Rules of Procedure ...
Page : Site Section: The Organisation
-
A preliminary investigation of the possible effects of rhizocephalan parasitism on the management of the crab fishery around South Georgia
the main characteristics of the system. An age-based host-parasite model is constructed, incorporating two ... a population model that captures the main characteristics of the system. An age-based host-parasite model ... of the main effects of the parasite is to render infected animals sterile. Parasitism can therefore reduce ... in spawning stock. The effects of harvesting both healthy and infected animals are contrasted with the effects ... of healthy animals. Also recall that there is at least one year (i.e., age class) in which mature animals ... in the previous year. Once a crab is infected it remains infected. Male crabs are harvested at a size/age one ... in each age class, with two categories for each age class: healthy animals and infected animals. Natural ... of healthy animals (i.e., susceptibles) in that age class. The coefficient of proportionality (or infection ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 175–192 : Author(s): Basson, M
-
Fishery Report: Exploratory fishery for Dissostichus spp. in Subareas 88.1 and 88.2
TOT 88.1, 88.2 Age S el ec tiv ity 10 20 30 40 50 0.0 0.5 1.0 1.5 Male shelf fishery ... selectivity Age S el ec tiv ity 10 20 30 40 50 0.0 0.5 1.0 1.5 Female shelf fishery selectivity Age ... S el ec tiv ity 10 20 30 40 50 0.0 0.5 1.0 1.5 Male slope fishery selectivity Age S el ec tiv ... ity 10 20 30 40 50 0.0 0.5 1.0 1.5 Female slope fishery selectivity Age S el ec tiv ity 10 ...
Document : Site Section: Publications
-
Fishes: Trophic modelling of the Ross Sea
) corresponding to age 9 (2 years) in the assessment model (Dunn et al. 2005a), recent work indicates ... according to catch in the region in each year. Ages were converted to lengths and thence weights of fish ... described by (Dunn & Hanchet 2007a) we estimated the number fish of age year 1–4 not caught in the fishery ... into the adult populations. We estimated these growth transfer fractions from simple age-structured population ...
Document : Site Section: Publications
-
WG-FSA-03
Kingdom) and C.M. Jones (USA) WG-FSA-03/87 Estimating the age of large numbers of Dissostichus eleginoides ... . Constable (Australia) WG-FSA-03/97 Progress on the application of an age-structured production model fitted ... longliners E.F. Melvin and D. Mercy (USA) WG-FSA-03/2 List of participants WG-FSA-03/20 Focusing and testing ... for toothfish in the Ross Sea R.L. O’Driscoll and G.J. Macaulay (New Zealand) WG-FSA-03/29 Review of small-scale ...
Meeting
-
SC-CAMLR-39
A summary of catches of target species in the Convention Area in 2018/19 and 2019/20 CCAMLR Secretariat SC ... , 22 October 2020 to Monday, 26 October 2020 Chair / Convener: Dr Dirk Welsford Support: Dr Keith ... Reid Submissions Due: Friday, 11 September 2020 Saturday, 26 September 2020 Schedule for the Thirty ... icefish (Champsocephalus gunnari) in Division 58.5.2 based on results from the 2020 random stratified ...
Meeting
-
Distribution and size–age composition of Antarctic krill (Euphausia superba) in the South Orkney Islands region (CCAMLR Subarea 48.2).
Paper Title: Distribution and size–age composition of Antarctic krill (Euphausia superba ... ) in the South Orkney Islands region (CCAMLR Subarea 48.2). Abstract / Description: The distribution, size–age ... . The distribution of size–age groups in association with particular water masses indicated that age 2+ krill ... dominated in cold Weddell Sea waters in the southern parts of the fishing area, while older age classes ... 25–30 mm) and 2-year-old krill (age 2+; modal length 40–45 mm); the 3-, 4- and 5-year-old krill age ... was apparent with only a small pro- portion of individuals of this generation found in catches in 2009 (age ... 3 and 6). Similar results indicating the absence of krill less than 28–30 mm (1+ age cohort) were reported ... papers have reported the presence of juvenile E. superba (1+ age cohort) of less than 30 mm TL, down ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 123–134 : Author(s): Sologub, D.O. and A.V. Remeslo