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Distribution characteristics of krill aggregations in the fishing ground off Coronation Island in the 1989/90 season
Paper Title: Distribution characteristics of krill aggregations in the fishing ground off ... Coronation Island in the 1989/90 season Abstract / Description: Distributional characteristics of krill ... common types of krill aggregations were recorded in the Coronation Island area over the observation ... which in turn led to an increase in krill concentration. The biological parameters of krill examined ... ). In Period 11, mean kriUlength was from 44 to 47 mm and the sex-ratio of males and females was 0.99 ... ° to +O.7°C (Figure 3a). Mean length of krill in catches was 47.7 mm and the sex-ratio of males and ... increase in krill mean length to 49 mm and the increase in the number of spawning females should have ... . Latogursky* * Abstract Distributional characteristics of kriU aggregations in the Coronation Island ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 49–73 : Автор(ы): Kasatkina, S.M. and V.I. Latogursky
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Results of Soviet investigations of the distribution and ecology of pelagic squids (Oegopsida) in the Southern Ocean
of the distribution and ecology of pelagic squids (Oegopsida) in the Southern Ocean. In 1965–1977 a ... specimens of that total were identified as Brachioteuthis riisei. In recent years (1978-1984) the collection ... -subtropical, natal and Antarctic types. In view of the absence of squid beaks in the bottom sediments in the ... . It is proposed to concentrate future research on squids in the waters of high bioproductivity south ... - RESULTS OF SOVIRT 1NVESTIGATIONS OF THE DISTRIBUTION SQUIDS (OEGOPSIDA) IN THE SOUTHERN OCEAN Abstract ... irrvestigation of the distribution and ecology of pelagic squids (Oegnpsida) jn the Southern Ocean. In 1965 ... their habitats tropico-subtropical, natal and Antarctic types. In view of the absence of squid be.aka ... Antarctic in the sll.Illiller seasons from the sub-tropical and notal areas, or the abundance of c:he true ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 79-111 : Автор(ы): Lubimova, T.G.
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A functional division of Electrona carlsbergi (Tåning, 1932) area of habitat in relation to the latitudinal zonation of the Southern Ocean
Zone and Subtropical Frontal Zone. The centre of the species' area of habitat is in the Sub ... -Antarctic Zone because the greatest range of fish length and stages of gonad maturity has been observed in ... Paper Title: A functional division of Electrona carlsbergi (Tåning, 1932) area of habitat in ... relation to the latitudinal zonation of the Southern Ocean Abstract / Description: During the cruise of ... CARLSBERGI (TANING, 1932) AREA OF HABITAT IN RELATION TO THE LATITUDINAL ZONATION OF THE SOUTHERN OCEAN ... A.V. Zemsky and S.A. Zozulya* Abstract During the cruise of the RV Vozrozhdenie (VNIRO, USSR) in ... Zone. The centre of the species' area of habitat is in the Sub-Antarctic Zone because the greatest ... in 1989, the VNIRO conducted integrated studies in the central part of the Atlantic sector of the ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 369–395 : Автор(ы): Zemsky, A.V. and S.A. Zozulya
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Size compositions of males and females in the course of the life cycle of Euphausia superba
Paper Title: Size compositions of males and females in the course of the life cycle of Euphausia ... of Euphausia superba populations by sex and its seasonal variability. In this paper variations in ... size and sex composition of samples from commercial catches are analyzed over the reproductive season ... , using samples from different years. The observed variations were related to stages of krill maturity ... Size composition of Euphausia superba (as in all other crustaceans) is the only criterion for ... the active reproduction period - from the beginning of maturation of E. superba in spring to the end ... of spawning and the stage of development in females of "juvenilized" gonads for the next spawning ... stages were distinguished (stages of the BIOMASS scale are included in brackets for reference): 4 A ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 3–16 : Автор(ы): Makarov, R.R.
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Natural mortality of grey rockcod (Notothenia squamifrons) in various areas of the Indian sector of the Southern Ocean
Paper Title: Natural mortality of grey rockcod (Notothenia squamifrons) in various areas of the ... Indian sector of the Southern Ocean Abstract / Description: The rate of natural mortality of grey ... rockcod (Notothenia squamifrons) on the Ob and Lena Banks and the Kerguelen Shelf were determined using ... three independent methods. From the values obtained the means were taken to be the most reliable. These ... formula: M = K (loo - [') T - [ , ( 2 ) where T = mean length of fish in the catch; [' minimum ... obtained may be applicable. In this case the mean values of M are 0.38 (Ob Bank), 0.36 (Lena Bank) and ... . squamifrons in all three areas is similar and their mean values are comparable with those for the majority of ... (NOTOTHENIA SQUAMIFRONS) IN VARIOUS AREAS OF THE INDIAN SECTOR OF THE SOUTHERN OCEAN A.K. Zaitsev ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 141–146 : Автор(ы): Zaitsev, A.K.
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Is the attempt to estimate the biomass of Antarctic fish from a multi-species survey appropriate for all targeted species? Notothenia rossii in the Atlantic Ocean sector – revisited
already heavily fished at the beginning of the 1970s. The closure of the fishery for this species in 1985 ... was one of the first conservation measures adopted by CCAMLR. Fish biomass within a CCAMLR subarea or ... violated in the case of N. rossii, which is non-randomly distributed such that a large proportion of the ... population tends to aggregate in small areas, leaving most of the survey area only thinly populated. In order ... 1970s. The closure of the fi shery for this species in 1985 was one of the fi rst conservation measures ... species in Southern Ocean fi sheries. The species was already heavily fi shed at the beginning of the ... area at the time of the survey. This assumption is violated in the case of N. rossii, which is non ... -randomly distributed such that a large proportion of the population tends to aggregate in small areas ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 141–153 : Автор(ы): Kock, K.-H., M. Belchier and C.D. Jones
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Precautionary spatial protection to facilitate the scientific study of habitats and communities under ice shelves in the context of recent, rapid, regional climate change
communities under ice shelves in the context of recent, rapid, regional climate change Abstract / Description ... % of the Peninsula’s glaciers have retreated in recent decades. Further ice-shelf collapse will lead to ... the loss of existing marine habitats and to the creation of new habitats, with consequent changes in ... need to study these in the absence of any other human-induced perturbation, this paper highlights why ... properties of the marine system are especially important for CCAMLR and include, inter alia, changes in ... such changes, primarily in the absence of any effects caused by other human activities. In this ... FACILITATE THE SCIENTIFIC STUDY OF HABITATS AND COMMUNITIES UNDER ICE SHELVES IN THE CONTEXT OF RECENT ... ; overall, 87% of the Peninsula’s glaciers have retreated in recent dec- ades. Further ice-shelf collapse ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 139–151 : Автор(ы): Trathan, P.N., S.M. Grant, V. Siegel and K.-H. Kock
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The Patagonian toothfish (Dissostichus eleginoides) fishery in the Kerguelen Islands (Indian Ocean sector of the Southern Ocean)
recently with longliners. This is the oldest fishery targeting D. eleginoides in the Indian Ocean sector of ... Paper Title: The Patagonian toothfish (Dissostichus eleginoides) fishery in the Kerguelen Islands ... (Indian Ocean sector of the Southern Ocean) Abstract / Description: Patagonian toothfish (Dissostichus ... eleginoides) have been fished in the Kerguelen Islands zone for 20 years, firstly with trawlers and more ... a decrease in the mean size of fish (Figure 12) (the data for 1992/93 have not been taken into ... the Kerguelen Islands Table 4: ANOVA. Level of significance of pairwise differences in mean length of ... PaTagonian TooThfish (Dissostichus eleginoiDes) fishery in The Kerguelen islands (indian oCean seCTor of ... . This is the oldest fishery targeting D. eleginoides in the Indian Ocean sector of the Southern Ocean ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 1–25 : Автор(ы): Lord, C., G. Duhamel and P. Pruvost
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Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in the lower South Shetland Islands, derived from the 2000–2006 monitoring program at Potter Cove
sampling period of 24 years which began in 1983, and at Harmony Cove in the summers of 2001to 2003. The ... increasing trend of N. rossii catches from 1991 to 2006, the actual levels are half of those found in the ... Cove, the relative abundance of N. rossii showed an increase in 2002 and 2003, whereas G. gibberifrons ... studying the offshore populations in a similar period. No recovery of the stocks of N. rossii and G ... of 24 years which began in 1983, and at Harmony Cove in the summers of 2001 to 2003. The decline in ... trammel net catches of fjord Notothenia rossii and Gobionotothen gibberifrons in relation to the non ... trend of N. rossii catches from 1991 to 2006, the actual levels are half of those found in the early ... , the relative abundance of N. rossii showed an increase in 2002 and 2003, whereas G. gibberifrons was ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 83–87 : Автор(ы): Barrera-Oro, E.R. and E.R. Marschoff
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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
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 ... . 10 (2003): 1–13 THE SOVIET KRILL FISHERY IN THE ATLANTIC SECTOR OF THE ANTARCTIC FROM 1977 TO 1991 ... Abstract Data on the Soviet krill fi shery in the Atlantic Sector of the Antarctic from 1977 to 1992 are ... (45% of the total for the period), 48.2 (36%) and 48.1 (19%). Three distinct patterns in the ... greatest. The phenomenon occurs in Subareas 48.1 and 48.2 under conditions of increased westward ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 1–13 : Автор(ы): Litvinov, F.F., V.A. Sushin, G.A. Chernega and O.A. Berezhinsky
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