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Age, growth and mortality of Patagonian toothfish (Dissostichus eleginoides) caught off Kerguelen
trend in abundance (Chapman and Robson, 1960; Barbieri et al., 1994). To estimate growth, data from ... . and D.S. Robson. 1960. The analysis of a catch curve. Biometrics, 16 (3): 354–368. Everson, I. 1980 ... off Kerguelen in 1999 were estimated by reading transverse-sectioned otoliths. Randomly interspersed ... showed discrepancies due to gear-specific catchability, or differences in the available population with ... depth or season. Age–length keys were constructed for use in assessing toothfish catches made by ... mortality Z was estimated to be between 0.09 and 0.12. Significant differences in age-at-length data between ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 29–41 : Author(s): Ashford, J., G. Duhamel, C. Jones and S. Bobko
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The Soviet krill fishery in the Atlantic Sector of the Antarctic from 1977 to 1991: fishing effort distribution and interannual patterns
in the zonal (along longitude) and meri- dional (along latitude) directions (Kats, 1960). In the southern ... Res., 32 (3): 369–378. Litvinov et al. 12 Kats, A.L. 1960. Seasonal variability in general ... Paper Title: The Soviet krill fishery in the Atlantic Sector of the Antarctic from 1977 to 1991 ... fishery in the Atlantic Sector of the Antarctic from 1977 to 1992 are discussed. The total fishing effort ... from 1977 to 1991 was 50 086 vessel-days fished, in Subareas 48.3 (45% of the total for the period ... ), 48.2 (36%) and 48.1 (19%). Three distinct patterns in the distribution of monthly fishing effort ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 1–13 : Author(s): Litvinov, F.F., V.A. Sushin, G.A. Chernega and O.A. Berezhinsky
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Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea, Antarctica
(Kock, 2005a). Takahashi and Iwami (1997) exam- ined eight stomachs from C. dewitti captured off ... Paper Title: Biological parameters for icefish (Chionobathyscus dewitti) in the Ross Sea ... Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea (CCAMLR Subareas 88.1 and 88.2). Biological data ... Chionobathyscus dewitti, and showed no significant difference in sex ratio. Meristic, diet and age data were ... indices (GSIs) were calculated and plotted against sample month. There was a weak positive trend in GSI ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 139–165 : Author(s): Sutton, C.P., M.J. Manning, D.W. Stevens and P.M. Marriott
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Marine mammals and demersal longline fishery interactions in Crozet and Kerguelen Exclusive Economic Zones: an assessment of depredation levels
Chile, Eastern South Pacifi c. Toothed Whale/Longline Fisheries Interactions in the South Pacifi ... Paper Title: Marine mammals and demersal longline fishery interactions in Crozet and Kerguelen ... toothfish (Dissostichus eleginoides) in the Crozet and Kerguelen Islands Exclusive Economic Zones (EEZs ... ) between 2003 and 2005. In the Crozet EEZ, the reported interactions involved killer whales and sperm ... whales. These two species, alone or in co-occurrence with each other, were observed in 71% of the 1 308 ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 67–82 : Author(s): Roche, C., C. Guinet, N. Gasco and G. Duhamel
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Myctophids in the diet of Antarctic predators
and A.G. WOOD. 1991. Food consumption by predators in CCAMLR Integrated Study Regions. In ... and feeding ecology of emperor penguins in the eastern Weddell Sea. Polar Biology, 9(6): 385-390. KOCK ... Paper Title: Myctophids in the diet of Antarctic predators Abstract / Description: The aim of ... , whales, fish and squids) in order to help evaluate the importance of myctophids in their diets. This ... review covers publications for the period since 1984-85 to the present. In total, over 50 publications ... found in the diet of one species of squid, 18 species of fish (Nototheniidae- eight, Channichthyidae ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 335–368 : Author(s): Sabourenkov, E.
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A hybrid approach to acoustic classification and length estimation of krill
f d f δ Δ Δ Δ . The relative error |δ| is high for afj / fi < a1, decreases approaching the middle point between the two ... the acoustic estimates of species and sizes to net samples collected during three surveys conducted in ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 33–58 : Author(s): Azzali, M., I. Leonori and G. Lanciani
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Fish stock assessment survey in Subarea 48.3
Rocks and the other of 336 kg from the eastern end of South Georgia, were still very small relative ... ) 533 mm BC83INS Figure 2b: Rigging of the FP-120 trawl (Falklands Protector, January/February 1991 ... Paper Title: Fish stock assessment survey in Subarea 48.3 Abstract / Description: A demersal ... fish survey in the vicinity of South Georgia, CCAMLR Subarea 48.3, is described. Details are given of ... important commercial species in the area, Champsocephalus gunnari, is shown to have undergone a major ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 25–67 : Author(s): Everson, I., G. Parkes, K.-H. Kock, S. Campbell, Z. Cielniaszek and J. Szlakowski
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A risk-management framework for avoiding significant adverse impacts of bottom fishing gear on Vulnerable Marine Ecosystems
: 11–38. Barthel, D. and J. Gutt. 1992. Sponge associations in the eastern Weddell Sea. Ant. Sci ... measure in 2007 to ensure that significant adverse impacts of bottom fishing gear on Vulnerable Marine ... fine-scale rectangles (0.5° latitude by 1.0° longitude) or smaller can be used in the first instance ... . Temporal scales must be matched to the recovery scale of VMEs, which are probably in the order of many ... scientific research and data collection plans are in place and that risk mitigation measures are successful ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 177–193 : Author(s): Martin-Smith, K
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Areas of seabed within selected depth ranges in CCAMLR Subarea 48.3, South Georgia
1960.4 100- 150 1469.7 6903.8 8373.6 150 - 200 1023.1 8689.3 9712.4 200 - 250 847.5 10515.0 11362.8 ... Paper Title: Areas of seabed within selected depth ranges in CCAMLR Subarea 48.3, South Georgia ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 459–466 : Author(s): Everson, I. and S. Campbell
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Commercial krill fisheries in the Antarctic, 1973 to 1988
H npOMhlCJIOBOrO YCHJIH5I COBeTCKm1 H 5InOHCKHH npOMbICeJI B nO,llpaHOHax 48.1, 48.2, H 48.3 HrpaIOT rJIaBHYIO ... commenced in the early 1960's and initially catches were relatively small (Table 1). The build-up of annual ... AREA 88.1 Eastern Ross Subarea 88.2 Western Ross Subarea 88.3 Amundsen Sea Subarea Figure ... Paper Title: Commercial krill fisheries in the Antarctic, 1973 to 1988 Abstract / Description ... ) are used to discern observable trends in catch and effort for the Antarctic krill (Euphausia superba ... tonnes in 1981/82 before dropping to allow level in 1983/84 and stabilizing at about 400 000 tonnes ... thereafter. In terms of both catch and effort the Soviet and Japanese krill fisheries in Subareas 48.1, 48.2 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 229–281 : Author(s): Miller, D.G.M.