Resultados de la búsqueda
-
Age–length composition of mackerel icefish (Champsocephalus gunnari, Perciformes, Notothenioidei, Channichthyidae) from different parts of the South Georgia shelf
the eastern, northern, western and southern parts of the shelf, and near Shag Rocks, revealed a ... similar age-length composition for young fish inhabiting areas to the west of the island and near Shag ... of mature fish in the west is related to the migration of maturing individuals from the eastern and ... adjusted according to the Southern Hemisphere split-year, which starts on 1 July. On this date fish age ... (about 1%). Therefore followed by fishing in the northern and western we analysed samples of young fish ... west regiol~s. W11en commercial fishing started and this influenced the meail length of fish in the ... absence of fishing and in years of intensive fishing, fish were recruited to the cominercial stock at ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 133–146 : Autor(es): Frolkina, G.A
-
e-sc-xxxv-a07.pdf
... Fishing operation characteristics ....................................................... 360 Future ... and Subareas 48.6 and 58.4) notified under Conservation Measures 21-02 and 24-01 ... ............................................................. 396 Bottom fishing activities and vulnerable marine ecosystems (VMEs) ................. 400 Marine ... provided area-specific information on illegal, unreported and unregulated (IUU) activity that could be
application/pdf attached to:WG-FSA-16
Meeting Report : WG-FSA-16
-
Fishery Report 2018: Dissostichus eleginoides Heard Island Australian EEZ (Division 58.5.2)
, unreported and unregulated (IUU) fishing 8. No illegal, unreported and unregulated (IUU)-listed vessels ... ). Introduction to the fishery Reported catch Illegal, unreported and unregulated (IUU) fishing Life-history ... fishing and tagging of fish has been highly variable between years and the level of fish movement and the ... which (i) fish recruitment, the first half of natural mortality, and fishing, (ii) the second part of ...
Document : Site Section: Publications
-
WG-KRILL-92
1990 to 1991 Secretariat WG-KRILL-92/14 Rev. 1 Managing Southern Ocean krill and fish stocks in a ... (Russia) WG-KRILL-92/06 Report of biological observations carried out on board the krill fishing vessel ... . Murphy, A.W.A. Murray and C. Goss (United Kingdom) WG-KRILL-92/21 Chilean krill fishing operations 1992 ... structure in the waters around the South Shetland Islands of the Antarctic ocean between December 1990 and ...
Meeting
-
Trawl bag selectivity in the Champsocephalus gunnari fishery
: Experiments on trawl bag selectivity during fishing on pre-spawning concentrations of Champsocephalus gunnari ... cm) as well as earlier sexual maturation of fish were noted. It was suggested that the use of Polish ... ) Tonnage (GRT) - 2120. Engine power (HP) - 2000 Type of trawler - stem trawler Percentage of Fish ... selectivity during fishing on pre-spawning concentrations of ChampsocephaZus gunnari were carried out in June ... of 54°25'S, 38°1O'W at depths of 230 to 250 m. The four-mile-long fishing site extended in a north ... trawler with a displacement of 2 120 tonnes and a main engine of 2 000 hp. Fishing gear was a standard ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 295–312 : Autor(es): Bidenko, V.G. and I.G. Istomin
-
Preliminary assessment of the exploratory fishery for Dissostichus spp. on BANZARE Bank (Division 58.4.3b), based on the analysis of fine-scale catch and effort data
Dissostichus fisheries in the southern Indian Ocean (58.4) which gave cause for concern as to the status of the ... individual fishing grounds in 2004/05 and 2005/06 seasons. There are also several inconsistencies noted ... rates and catch composition seen in the main fishing areas. Author(s): J.P. McKinlay, D.C. Welsford ...
Meeting Document : WG-FSA-07/44 : Autor(es): J.P. McKinlay, D.C. Welsford, A.J. Constable and G.B. Nowara (Australia)
-
Entanglement of Antarctic fur seals (Arctocephalus gazella) in man-made debris at Bird Island, South Georgia, during the 1996 winter and 1996/97 pup-rearing season
proportion. Synthetic string (fishing line) (47%), fishing net (24%) and packaging bands (18 %) were the main ... entangling materials, with the abundance of string and fishing net reversed from most previous years. In ... summer, 27 seals were recorded entangled, the third lowest total and a 21 % reduction from 1996. Most ... proportion of entanglements in synthetic string (41 %) was much greater than in recent years, with fishing ...
Meeting Document : SC-CAMLR-XVI/BG/06 : Autor(es): Delegation of the United Kingdom
-
Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic Peninsula region
Antarctic krill, Euphausia superba Dana. Polar Bioi. 4: 199-201. EVERSON, I. 1977. The Southern Ocean ... . The living resources of the Southern Ocean. FAO GLOISOI7711: 1-156. GODLEWSKA, M. and S. RAKUSA ... Antarctic krill, Euphausia superba, in the Southern Atlantic Ocean. In: SIEGFRIED, W.R., P.R. CONDY and ... of the southern Indian Ocean. In: SIEGFRIED, W.R., P.R. CONDY and RM. LAWS (Eds.): Antarctic ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 159–176 : Autor(es): Siegel, V.
-
The choice of procedure for deciding when to close fisheries regulated by CCAMLR: a simulation model
simulation model Abstract / Description: The methods, described in CCAMLR Conservation Measures, used for ... decisions is investigated under a variety of circumstances. The model described in the existing conservation ... conservation measures, methodologies for deciding the date of closure of fisheries should incorporate a ... conservation measures to date rely upon fishing effort being constant and having low variance. In the case of ... , described in CCAMLR Conservation Measures, used for deciding the closure date for fisheries monitored by ... circumstances. The model described in the existing conservation measures is shown to have a high probability ... days) and the reporting delay is minimal. It is recommended that in future conservation measures ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 81–97 : Autor(es): Agnew, D.J.
-
A hypothetical life cycle for Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region
mature, the fish gradually move deeper out onto the continental slope where they gain condition before ... fish (Heath and Gallego, 1998; Ådlandsvik et al., 2004). The aim here was to use ocean current ... , the fish found in SSRU 882F were in 1 000–1 500 m depth (Hanchet et al., 2007). Research fishing ... .) and five have been recaptured by commercial fishing vessels (Dunn et al., 2007). Of these, one fish ... P. antarcticum south of about 64°S throughout the Indian Ocean sector. These fish were generally ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 35–53 : Autor(es): Hanchet, S.M., G.J. Rickard, J.M. Fenaughty, A. Dunn and M.J. Williams