Resultados de la búsqueda
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An ecosystem-based approach to management: using individual behaviour to predict the indirect effects of Antarctic krill fisheries on penguin foraging
penguin foraging success and behaviour in adjacent breeding sites. 3. Increased fishing pressure offshore ... predicted to cause stronger effects of krill fisheries than explained solely by the percentage of biomass ... water are also predicted to increase the magnitude of the effect of fishing on penguin success. We show ...
Meeting Document : WG-EMM-03/34 : Autor(es): S.H. Alonzo, P.V. Switzer and M. Mangel (USA)
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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
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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
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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
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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)
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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
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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
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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.
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e-sc-vii-a5.pdf
... exactly with the drops in adult stock caused by the big pulses in fishing. 21. Though the reduction in ... finfish fishery (see Tables 5 and 8) or the Antarctic krill fishery in the southern Indian Ocean. At ... fishing on N. squamifrons (Conservation Measure 2/III). 77. All other conservation measures are ... steadily. Conservation Measures in Force 83. (i) Fishing other than for scientific purposes is
application/pdf attached to:WG-FSA-88Meeting Report : WG-FSA-88
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WG-FSA-17
with krill fishery in the Atlantic sector of the Southern Ocean L. Wei, G.P. Zhu and Q.Y. Yang WG-FSA ... , Namibia, South Africa, Ukraine and the CCAMLR Secretariat CCAMLR-XXXVI/28 Rev. 2 IUU fishing activity and ... . Maschette, D. Welsford and S. Wotherspoon WG-FSA-17/17 Rev. 1 Joint report on exploratory fishing in ... Divisions 58.4.1 and 58.4.2 between the 2011/12 and 2016/17 fishing seasons Delegations of Australia, France ...
Meeting