Search results
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Growth and age/length structure of populations of Notothenia (Lepidonotothen) squamifrons (Nototheniidae) in various areas of the Indian sector of the Southern Ocean
) squamifrons (Nototheniidae) in various areas of the Indian sector of the Southern Ocean Abstract / Description ... ) squamifrons), inhabiting areas of the Ob and Lena Banks and the Kerguelen Island Shelf, are presented in this ... g at the banks and 153 to 188 g in the Kerguelen Island area were recorded for fish at age 6 to 12 ... composition of catches are also examined in this paper. On the Ob and Lena Banks this composition is fairly ... POPULATIONS OF NOTOTHENIA (LEPIDONOTOTHEN) SQUAMIFRONS (NOTOTHENIIDAE) IN VARIOUS AREAS OF THE INDIAN SECTOR ... Banks and the Kerguelen Island Shelf, are presented in this paper. It was found that during the first ... g in the Kerguelen Island area were recorded for fish at age 6 to 12. Growth parameters were ... examined in this paper. On the Ob and Lena Banks this composition is fairly stable but on the Kerguelen ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 123–139 : Author(s): Zaitsev, A.K.
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Survey of Antarctic fur seals in the South Shetland Islands, Antarctica, during the 1986/87 austral summer
b 3aHl1MaT b CTapble 3ane)KKl1 - nocne KOMMepqeCKOH :llKCnJlyaTa/.{l1l1 Bl1~a B XIX BeKe. EbIn ... Paper Title: Survey of Antarctic fur seals in the South Shetland Islands, Antarctica, during the ... 1986/87 austral summer Abstract / Description: A survey of Antarctic fur seals in the South Shetland ... . Total fur seal pup production in the South Shetland Islands in 1986/87 is estimated to be approximately ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 427-440 : Author(s): Bengtson, J.L., L.M. Ferm, T.J. Härkönen, E.G. Schaner and B.S. Stewart
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Towards the development of a management plan for mackerel icefish (Champsocephalus gunnari) in Subarea 48.3
H ~ O ~ X O A H M I I p o ~ e ~ y ~ o Y H b l f i I I O A X O j l K YCTaHOBneHHM IIpeAOXpaHHTenbHbIX orpaHHqe~afi Ha BbInOB. noflxon, O C H O B ~ H H ~ I ~ ~ Ha pa3pa60~aHHofi ... B AHTKOMe 0606LIJe~~ofi MOAenH BbInOBa (GY-MOA~AH) , yYH~b1BaK)qkifi nepI4oAHYeCKL.l H3MeHXFOqYK)CR ... M , qe@~qa~a KpBnx. PRCYHOK 2: O ~ ~ H K R nOTeHqIIanbHOr0 BbInOBa Champsocephalus ... gunnari) in Subarea 48.3 Abstract / Description: Management of the mackerel icefish (Champsocephalus ... gunnari) at South Georgia is complicated by the likelihood of substantial periodic variations in natural ... mortality rates. These may be associated with increased consumption of C. gunnari by Antarctic fur seals in ... years of poor krill availability. Thus natural ortality of C. gunnari may, in some years, increase by a ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 63–77 : Author(s): Agnew, D.J., I. Everson, G.P. Kirkwood and G.B. Parkes
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Commercial fishing vessels as research vessels in the Antarctic – requirements and solutions exemplified with a new vessel
Paper Title: Commercial fishing vessels as research vessels in the Antarctic – requirements and ... in the ecosystems of the Antarctic region require a precautionary approach with respect to the human ... use of these ecosystems. In particular, resource harvesting requires enough basic knowledge, as well ... the potential of using commercial fishing vessels to bridge the gap in research vessel capacity. The ... The Antarctic region is vulnerable to human activity. In particular, under the impact of global ... ., 2013). Krill plays a key role in Antarctic marine ecosystems (Siegel, 2010). The combined impact of ... . 21 (2014): 11–17 11 CommerCIal fIshIng vessels as researCh vessels In the antarCtIC ... presently seen in the ecosystems of the Antarctic region require a precautionary approach with respect to ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 11–17 : Author(s): Godø, O.R., C. Reiss, V. Siegel, J.L. Watkins
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Distribution of the Soviet krill fishing fleet in the South Orkneys area (Subarea 48.2) during 1989/90
Paper Title: Distribution of the Soviet krill fishing fleet in the South Orkneys area (Subarea ... fishing ground off the northwestern tip of Coronation Island. CPUE showed variability with a minimum in ... November (3.2 tonnes/hour) and maximums in February and March (9.6 tonnes/hour and 11.0 tonnes/hour ... topographically-induced effects. Except in November 1989, temporally and spatially sustained fishable krill ... THE SOVIET KRILL FISHING FLEET IN THE SOUTH ORKNEYS AREA (SUBAREA 48.2) DURING 198911990 V.A ... minimum in November (3.2 tonnes/hour) and maximums in February and March (9.6 tonnes/hour and 11.0 tonnes ... islands together with topographically-induced effects. Except in November 1989, temporally and spatially ... period the commercial fleet fished over oceanic areas, and targeted krill aggregations found in the ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 51–62 : Author(s): Sushin, V.A
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Remarks on the natural mortality of Dissostichus eleginoides in Subarea 48.3
Paper Title: Remarks on the natural mortality of Dissostichus eleginoides in Subarea 48.3 ... (1989) from the data obtained during the Chilean longline fishery in Subarea 48.3 (N = 7 848. The von ... : fishing site, fishing depth and hook type. It was determined that there were no significant differences in ... differences in M between fishing sites. On the other hand, when comparing various mean values of M for the ... Chilean longline fishery in Subarea 48.3 (N = 7 848). The von Bertalanffy growth parameters obtained ... type. It was determined that there were no significant differences in M estimated by fishing depth ... and hook type with different growth parameters although there were differences in M between fishing ... a la longitud L' y mayores. • Robson and Chapman (1961) M(= Z) = In(1+~) t-t' 23 donde, t ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 21–30 : Author(s): Moreno, C.A. and P.S. Rubilar
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Assessments of the stocks of Notothenia rossii marmorata and Champsocephalus gunnari in the South Georgia area
in the South Georgia area Abstract / Description: The stocks of Notothenia rossii marmorata and ... Champsocephalus gunnari in the South Georgia area are assessed using USSR age sample data and recent biomass ... estimates from surveys by the FRG. These data indicate that the stock of N. rossii in 1985 was about 2.5% of ... NOTOTHENIA ROSSII MARMORATA AND CHAMPSOCEPHALUS GUNNARI IN THE SOUTH GEORGIA AREA J.G. Cooke (IUCN ... ) Abstract The stocks of Notothenia rossii marmorata and Champsocephalus gunnari in the South Georgia area ... data indicate that the stock of N. rossii in 1985 was about 2.5% of its pre-exploitation biomass ... NOTOTHENIA ROSSII MARMORATA AND CHAMPSOCEPHALUS GUNNARI IN THE SOUTH GEORGIA AREA Justin G. Cooke ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 1-21 : Author(s): Cooke, J.G.
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Standardization of fishing effort for Champsocephalus gunnari in the South Georgia area (Subarea 48.3)
BbInOJIHeHHH paCQeTOB no aToti MO~eJIH HCnOJIb3yeTC5.I MHoroKpaTHa5.1 perpeCCH5.I, npH aTOM nOJIYQeHHble ... Paper Title: Standardization of fishing effort for Champsocephalus gunnari in the South Georgia ... inflexible in its use of data types and has no estimate of accuracy. A standardized CPUE index for ... Champsocephalus gunnari fishing in Subarea 48.3 is derived using a multiplicative model and data from many ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 327–336 : Author(s): Gasiukov, P.S.
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A review of the trophic role of mesopelagic fish of the family Myctophidae in the Southern Ocean ecosystem
Paper Title: A review of the trophic role of mesopelagic fish of the family Myctophidae in the ... myctophids demonstrate that this group of mesopelagic fish plays a significant role in the community of ... carlsbergi ranges from 157 to 364 million tonnes. Myctophids occupy the third level in the Southern Ocean ... TROPHIC ROLE OF MESOPELAGIC FISH OF THE FAMILY MYCTOPHIDAE IN THE SOUTHERN OCEAN ECOSYSTEM A.N. Koz.10 ... demonstrate that this group of mesopelagic fish plays a significant role in the community of Southern Ocean ... from 157 to 364 million tonnes. Myctophids occupy the third level in the Southern Ocean trophic system ... . Myctophids dominate in terms of the number of species, their widespread distribution and the abundance of ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 71–77 : Author(s): Kozlov, A.N
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Length-at-age in juvenile Patagonian toothfish (Dissostichus eleginoides)
Paper Title: Length-at-age in juvenile Patagonian toothfish (Dissostichus eleginoides) Abstract ... estimated from reading otoliths in a goodness-of-fit test. The majority of the otoliths (83.6%) were ... observed in the length density represent different age cohorts separated by one year. File: 01ashford.pdf ... . 9 (2002): 1–10 LENGTH-AT-AGE IN JUVENILE PATAGONIAN TOOTHFISH (DISSOSTICHUS ELEGINOIDES) J ... on length, and compared with ages estimated from reading otoliths in a goodness-of-fi t test. The ... ages. We conclude that the two dominant modes observed in the length density represent different age ... INTRODUCTION In recent years a fi shery for Patagonian tooth- fi sh (Dissostichus eleginoides) has developed ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 1–10 : Author(s): Ashford, J., C. Jones, S. Bobko and I. Everson