Search results
-
Large-scale peculiarities of phytocenosis species composition in the surface layer in the Antarctic Atlantic and Indian Ocean sectors
Paper Title: Large-scale peculiarities of phytocenosis species composition in the surface layer ... Weddell Gyre. In the eastern Weddell Gyre a great change in the composition of phytoplankton species was ... , the Convergence Zone proper, south periphery of the Antarctic Circumpolar Current). A great change in ... maximum biomass values of surface phytoplankton were registered in the south periphery of the Antarctic ... the distribution of the south peripheral waters and the centre of the Weddell Gyre. In the eastern ... Weddell Gyre a great change in the composition of phytoplankton species was registered. Variability in ... , south periphery of the Antarctic Circumpolar Current). A great change in phytoplankton composition was ... surface phytoplankton were registered in the south periphery of the Antarctic Circumpolar Current ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 201-214 : Author(s): Makarov, R.R. and K.P. Fedorov
-
Natural mortality of grey rockcod (Notothenia squamifrons) in various areas of the Indian sector of the Southern Ocean
three independent methods. From the values obtained the means were taken to be the most reliable ... and the Kerguelen Shelf were determined using three independent methods. From the values obtained the means were ... and the Kerguelen Shelf were determined using three independent methods. From the values obtained the means were ... - [') T - [ , ( 2 ) where T = mean length of fish in the catch; [' minimum length of fish in the catch; [00 asymptotic ... , calculated using various methods, and the absence of objective criteria to choose anyone of them, the mean ... arithmetical value of the estimates obtained may be applicable. In this case the mean values of M are 0.38 (Ob ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 141–146 : Author(s): Zaitsev, A.K.
-
A functional division of Electrona carlsbergi (Tåning, 1932) area of habitat in relation to the latitudinal zonation of the Southern Ocean
) B MapTe - anpeJIe 1990 r. B IO)I{HOM ceKTope ATJIaHTl-iKI-i 6bIJIa BbInOJIHeHa KOMnJIeKCHaSI CbeMKa ... I-i aHTapKTl-illeCKaSI 30Ha. BbIJI BbInOJIHeH aHaJIl-i3 pa3MepHOro I-i nOJIOBOrO COCTaBa I-i CTa,l(l-iti ... the following picture: in the AZ in thePFZ in the SAZ in the STFZ - from 7.5 to 9.0 cm., M=8.06 cm, N=206 ... to 11.2 g in the STFZ. Mean weight in the SAZ was 9.1 g. This tendency held true for weight analysis ... 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 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 369–395 : Author(s): Zemsky, A.V. and S.A. Zozulya
-
Results of Soviet investigations of the distribution and ecology of pelagic squids (Oegopsida) in the Southern Ocean
cephalopods seems to be due to the fact that they are rarely caught by fishing gear and the ma.in material ... 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 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 79-111 : Author(s): Lubimova, T.G.
-
Size compositions of males and females in the course of the life cycle of Euphausia superba
BbInOJlH5ITb He TOJlbKO H3MepeHHe nOJlOB03peJlblX oc06eH KPHJl5I, HO H onpe~eJleHHe HX nOJlOBOH npHHa~Jle ... 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 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 3–16 : Author(s): Makarov, R.R.
-
The ecosystem approach to managing fisheries: achieving conservation objectives for predators of fished species
Paper Title: The ecosystem approach to managing fisheries: achieving conservation objectives ... impact incidentally on an ecosystem, (ii) what should be the conservation objectives for predators ... of fished species, and (iii) what approaches could be considered for achieving the conservation objectives ... The ecosystem approach to managing fisheries: achieving conservation objectives for predators ... APPROACH TO MANAGING FISHERIES: ACHIEVING CONSERVATION OBJECTIVES FOR PREDATORS OF FISHED SPECIES A.J ... species, and (iii) what approaches could b e considered for achieving the conservation objectives ... d'affecter un 6cosysteme par accident ? ii) quels devraient Otre les objectifs d e conservation des ... objectifs de conservation ? L'approche proposke ici tient compte des incertitudes entourant notre ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 37–64 : Author(s): Constable, A.J
-
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
was one of the first conservation measures adopted by CCAMLR. Fish biomass within a CCAMLR subarea or part ... was one of the first conservation measures adopted by CCAMLR. Fish biomass within a CCAMLR subarea or part ... of the 1970s. The closure of the fi shery for this species in 1985 was one of the fi rst conservation measures ... premières mesures de conservation adoptées par la CCAMLR. En général, la biomasse de poisson dans une sous ... dence intervals, as an alternative to the method commonly used by CCAMLR to calculate mean biomass ... and corresponding confi dence intervals (Pennington, 1983). Attempts to detect N. rossii by means of acoustic ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 141–153 : Author(s): Kock, K.-H., M. Belchier and C.D. Jones
-
The Patagonian toothfish (Dissostichus eleginoides) fishery in the Kerguelen Islands (Indian Ocean sector of the Southern Ocean)
effect, which means that there is an opti- mum depth range (350–800 m) at which to trawl to improve ... ratio (equivalent to mean weight of fish) to be analysed. Over the whole of the time series ... , there is a decrease in the mean size of fish (Figure 12) (the data for 1992/93 have not been taken into account ... of females and males in the different sectors were compared by means of an ANOVA (Table 6). The results ... 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 ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 1–25 : Author(s): Lord, C., G. Duhamel and P. Pruvost
-
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
of N. rossii and G. gibberifrons per haul and their means by each year are presented in Figure 1. It should ... , the observed mean of the relative abundance of N. rossii in the split-years 1995/96, Table 1: Results ... of freedom Mean square F P (a) Notothenia rossii, total catches Years 19.8835 20 0.994173 14.6162 <0.00001 ... mean values. 0 0,05 0,1 0,15 0,2 0,25 0,3 0,35 1983 1985 1987 1989 1991 1993 1995 1997 1999 ... 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 ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 83–87 : Author(s): Barrera-Oro, E.R. and E.R. Marschoff
-
A fine-scale model of the overlap between penguin foraging demands and the krill fishery in the South Shetland Islands and Antarctic Peninsula
que ce chevauchement tend a diminuer depuis 1988. B ~ H H ~ I ~ IIO o 6 w e ~ y BbInOBy KPMJIR ... from colonies, at bearings between 345" and 044" (mean 24.2, SD 21.1, n 6). Macaroni penguins ... that maxima (mean + 2 SDs) were generally in line with maxima recorded in the literature for Subarea 48.1 ... , with a coefficient of variation of 40% (Wilson et al., 1989; Bengtson et al., 1991): chinstrap: mean 20 km, SD ... using the total catch of krill taken within 100 km of penguin colonies in their breeding season ... distribution of the krill fishery in Subarea 48.1 (South Shetland Islands). As this index has proven unsuitable ... Paper Title: A fine-scale model of the overlap between penguin foraging demands and the krill ... fishery in the South Shetland Islands and Antarctic Peninsula Abstract / Description: CCAMLR has been ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 99–110 : Author(s): Agnew, D.J. and G. Phegan