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Distribution and relative abundance of juvenile icefish (Champsocephalus gunnari) from a trawl survey of the South Georgia shelf in June–July 1985
individuals (Table 1). VERTICAL DISTRIBUTION OF JUVENILE MACKEREL ICEFISH The upper limit of the ... any catch was 11097 specimens in one haul. According to the results of two surveys the lowest ... (June-July 1985 trawl survey) Total Mean catch Tow catch in numbers numbers in numbers 29 23556 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 55-63 : Autor(es): Boronin, V.A., G.P. Zakharov and V.P. Shopov
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Distribution of the Soviet krill fishing fleet in the South Orkneys area (Subarea 48.2) during 1989/90
48.2) during 1989/90 Abstract / Description: The results of an analysis of haul-by-haul catch ... St. Kaliningrad 236000, Russia Abstract The results of an analysis of haul-by-haul catch ... main fishing Further, the Soviet catch in the South Orkneys g round of the Soviet Union krill ... fishing fleet area was more than twice the total catch from operating in the Antarctic sector of ... Atlantic Ocean. Subarea 48.1 (459 thousand tonnes), the main The total catch obtained by the Soviet ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 51–62 : Autor(es): Sushin, V.A
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Diurnal variations in biological characteristics of krill, Euphausia superba Dana, to the west of the South Orkney Islands, 24 March to 18 June 1990 - based on data reported by a biologist-observer
in the catch, as well as an increased difference between average length of males and females in the ... noted at several stations. Increases in the proportion of males in the catch, as well as an increased ... standard commercial trawl. From every catch one hundred specimens of E. superba were examined and ... between total average size of animals for each catch (sample), size difference between males and females ... depth • /.J r:1ales 71 Figure 7: Catch depth, % of males and total average length of E. superba ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 201–222 : Autor(es): Vagin, A.V., R.R. Makarov and L.L. Menshenina
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Editorial
derived from acoustic data, details of the krill and fish by-catch taken in the krill fishery and a novel ... acoustic data, details of the krill and fish by-catch taken in the krill fishery and a novel paper looking ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 167 : Autor(es): Editors
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Some principles for fisheries regulation from an ecosystem perspective
concentrate solely on the objects of fisheries but also seeks to limit the impact of fisheries on 'dependent ... about the dynamics of the system by deliberately manipulating catch levels and other parameters of the ... series of catch and effort data. In principle, such methods attempt to estimate production directly ... from the catch history of the fishery, and if continually revised, catch levels can be identified ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 323-339 : Autor(es): de la Mare, W.K.
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Distribution, morphology and ecology of Macrourus whitsoni and M. caml (Gadiformes, Macrouridae) in the Ross Sea region
, Family Macrouridae) are the main by-catch in the toothfish fishery in the Ross Sea region, with a catch ... -induced trophic cascades (Pinkerton et al., 2010). Grenadier caught as by-catch and found in stom- achs ... random sampling from the catch, observers made a preliminary iden- tification of each specimen, measured ... in SSRU 881H but did not cover areas where the greatest total by-catch of Macrou rus spp. had been ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 37–61 : Autor(es): Pinkerton, M.H., P. McMillan, J. Forman, P. Marriott, P. Horn, S. Bury and J. Brown
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Interactions of Patagonian toothfish fisheries with killer and sperm whales in the Crozet Islands Exclusive Economic Zone: an assessment of depredation levels and insights on possible mitigation strategies
actively follow the fishing vessels and, when present, remove most of the catch from the lines. The cur ... , catch size, fishing location); (ii) to assess the resource (e.g. sampling of fish length and weight ... ); (iii) to record by-catch of non-target species; and (iv) to record interactions between the fishery ... toothfish caught. The number of hooks hauled per line was used as the unit of fishing effort. The catch ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 179–195 : Autor(es): Tixier, P., N. Gasco, G. Duhamel, M. Viviant, M. Authier and C. Guinet
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Distribution and population structure of Dissostichus eleginoides and D. mawsoni on BANZARE Bank (CCAMLR Division 58.4.3b), Indian Ocean.
segments respectively for the experimental gear. Catch per unit effort (CPUE) was calculated as the ... the seafloor at depths ranging from 630 to 1 960 m. Haul-by-haul catch and effort data and biologi ... region (60–77°S), where the proportion of D. elegi noides to the total Dissostichus spp. catch tended to ... lower limit of habitat temperature for D. eleginoides, but further investigations are needed on the ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 145–153 : Autor(es): Taki, K., M. Kiyota, T. Ichii and T. Iwami
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A hybrid approach to acoustic classification and length estimation of krill
counted. If the catch was large, the mean length of each species being compared with acous- tic ... length ( )hL ω in the catch, called biological length. From Table 1 it is obtained that: 0.9 mm ≤ ( )w ... , calculated from each net sample from the equiva- lent radius, and mean catch length bL , measured from each ... is probably because the lengths of the two smallest classes fall below the lower limit for which ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 33–58 : Autor(es): Azzali, M., I. Leonori and G. Lanciani
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Differences in distribution and population structure of krill (Euphausia superba) between penguin and fur seal foraging areas near Seal Island
only on its outbound leg to the apparent outer limit of her foraging range. 2.2 Hydroacoustic Survey ... offshore regions. The outer limit of her foraging range was, surprisingly, as far as 240 km from the ... shallow diving is required to catch kriU, even in the daytime; and (ii) krill tend to be larger in size ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 273–285 : Autor(es): Ichii, T., H. Ishii, J.L. Bengtson, P. Boveng, J.K. Jansen and M. Naganobu