Search results
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Characteristics of krill swarms from Prydz Bay
rate was about one every second until 1808 hours (approximately 30 km from the start) when it dropped ... essaims a ete remarquee a mesure que l'on s'eloigne de la cote. Pe3IOMe Ha60p .llaHHbIX "CCAMLR. AUS ... to one every six seconds. This leads to a somewhat distorted data set, with minimum swarm length ... swarm length of 24 m and BSD of 83 m indicate that the pattern of krill aggregations was one of many ... CCAMLR.AUS dataset available to the Subgroup on Survey Design was derived from a survey of Prydz Bay ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 177–189 : Author(s): Agnew, D.J. and I.R. Higginbottom
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Growth and natural mortality of Patagonian rockcod (Patagonotothen guntheri shagensis) from Shag Rocks shelf
in calculations and the optimal age and length for harvesting Patagonian rockcod were found to be 2.5 years ... for Patagonian rockcod (Patagonotothen guntheri shagensis) were calculated by using age and length-weight data ... mortality M=0.8 was used in calculations and the optimal age and length for harvesting Patagonian rockcod ... guntheri shagensis) were calculated by using age and length-weight data of research and fishery survey ... calculs,. et I'on constate que I'age et la longueur optimaux d'exploitation de la bocasse de Patagonie ... are most abundant. Sexual maturity is attained by fish at 11 to 13 cm length, 20 to 30 g weight and age ... ). In N 7 6' 5 • 4 :5 2 3 Age, % 60 -40 20 n=1470 2. 3 Lt 5 6 Age, years Figure 2: Age composition of P.g ... and the optimal age and length for harvesting Patagonian rockcod were found to be 2.5 years and 12.6 cm. Resume ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 111–121 : Author(s): Shlibanov, V.I.
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On the presence of Paralomis spinosissima and Paralomis formosa in catches taken during the Spanish survey Antártida 8611
m. In the whole of the area surveyed, the two crab species of the genus Paralomis (P. spinosissima and P. formosa ... of the 29 made around Shag Rocks and in 20 of the 104 hauls made at South Georgia. P. formosa was caught ... m and that of P. formosa, far less frequent in the catches, from 320 to 350 m. Field observations showed that these two ... surveyed ranged from 63 m down to 643 m. In the whole of the area surveyed, the two crab species ... . P. formosa was only present in two hauls (once in each archipelago), in one of which it appeared together ... . B more BbInOnHeHbI 345 ~pUIeHllfi: 29 BOKPYr CKWI mar, 104 B pafi0He WXCH0fi reoprtlll, 8 y K)mHblX ... M. C O ~ ~ ~ C H O pe3ynbTaTaM IlOneBblX ~a6nlofleH~6 3T11 DBa BAAa OTCYTCTBYFOT B I O X H b I X apxmenarax AyrM CKOTHR ... its depth distribution as 132 m to 650 m (Macpherson, 1988, although this author reports one ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 165–173 : Author(s): López Abellán, L.J. and E. Balguerías
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Distribution of fish larvae at South Georgia: horizontal, vertical, and temporal distribution and early life history relevant to monitoring year-class strength and recruitment
distribution and early life history relevant to monitoring year-class strength and recruitment Abstract ... and early life history relevant to monitoring year-class strength and recruitment ... a study in the fiord of CUmberland East Bay during 20 September to 5 october, 1983, approximately one ... (Figure 2). However, one month later they were abundant in CUmberland East Bay (Figure 20). Pagothenia ... although they were moderately abundant in Cumberland East Bay about one month later when they were 10-30 ... December could be used as an index of the year class strength of the youngest age class ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 105-141 : Author(s): North, A.W.
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Modelling and decision making as part of the CCAMLR management regime
of CCAMLR Article II. Eight attributes (purpose, description, variables, driving forces, time horizons, time ... Article II. Eight attributes (purpose, description, variables, driving forces, time horizons, time steps ... steps of one year being adequate, or less than one year if seasonal influences need to be considered ... catch-effort model One predator, two prey model Fishery dynamics model Linear optimisation ... (Ha3HaQeHHe, onHcaHHe, rrepeMeHHhle, ABHJK~He CHJIhl, CpOKH, npOAOJIJKHTeJIbHOCTb 3TanoB, OrpaHHQeHHH ... . It is noted that detailed age and distributional structure are required for the model, although minimal age ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/3 (Selected Scientific Papers, SC-CAMLR-SSP/3) : 295-322 : Author(s): Miller, D.G.M.
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Areal and seasonal extent of sea-ice cover off the northwestern side of the Antarctic Peninsula: 1979 to 1996
four periods of extensive ice cover during the last 18 years. Variability in seasonal timing, areal ... extent, seasonal duration and persistence of sea-ice over multiple years is apparent and is consistent ... during years between periods of extensive ice cover decreased during the second half of the time series ... of the Antarctic Peninsula indicates that there were four periods of extensive ice cover during the last 18 years ... area was covered with sea-ice for at least one month. Although there does not appear to be a trend ... -term and keeping me posted as new ones became change in the diets of Adelie penguins: available ... Peninsula indicates that there were four periods of extensive ice cover during the last 18 years ... years is apparent and is consistent with features described by Stammerjohn and Smith (1996) for ice ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 65–73 : Author(s): Hewitt, R
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Myctophids in the diet of Antarctic predators
, Bathydraconidae- two and Rajidae- one), 18 species of birds (penguins- seven, albatrosses- four, petrels- five ... , prions- one and cormorants- one) and two species of seals. Myctophids in the diet of predatory species ... , Channichthyidae - seven, Bathydraconidae - two and Rajidae - one), 18 species of birds (penguins - seven ... , albatrosses - four, petrels - five, prions - one and cormorants - one) and two species of seals. Myctophids ... of fish (Nototheniidae - eight, Channichthyidae - seven, Bathydraconidae - two and Rajidae - one), 18 ... Channichthyidae, two Bathydraconidae and one Rajidae), 18 species of birds (penguins - seven, albatrosses - four ... , petrels - five, prions - one and cormorants - one) and two species of seals (Table 1). No myctophids were ... , prions - one and cormorants - one) and two species of seals (Table 1). No myctophids were reported from ...
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 possible framework in which to consider plausible models of the Antarctic marine ecosystem for evaluating krill management procedures
. Movement from another life stage is most easily envisaged for animals moving from one age class ... K aw ag uc hi (2 00 4) W ill ia m s (2 00 4a ) M es op el ag ic s pe ci es ... w it h po or ly u nd er st oo d d yn am ic s (i ) ep i- a nd m es op el ag ic fi sh ... m pl e lif e st ag e bi om as s m od el s, e .g . j uv en ile s, ad ul ts . Ph ill ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 99–117 : Author(s): Constable, A.J
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Size compositions of males and females in the course of the life cycle of Euphausia superba
different years. The observed variations were related to stages of krill maturity during the reproductive ... years. The observed variations were related to stages of krill maturity during the reproductive cycle ... ) is the only criterion for examining population age structure in the field. Usually, when analyzing size ... m layer. Indeed, one reported catch using a Juday net (36 cm diameter) from 200 to 500 m and deeper ... , initial value (Figure 7). The above explanations are not the only ones possible and some other ... (age) groups, but also of the sequence of reproductive cycle stages. The latter relates ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 3–16 : Author(s): Makarov, R.R.
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Survey of Antarctic fur seals in the South Shetland Islands, Antarctica, during the 1986/87 austral summer
0 APYI'l1X Bl1~aX naCTOHOI'l1X, Ha6nlO~aB[[/l1XCH BO BpeMH npOBe~eHl1H CbeMKl1. B KaqeCTBe OnTI1Man bHblX ... pinnipeds were tallied by species, with no differentiation made between age and sex classes except for fur ... over the past 80 years, with the first post-exploitation record of successful pup production being ... , Aspland or O'Brien Islands. The absence of animals at these islands conforms to previous survey data ... largest pupping sites are at Telmo Island and Cape Shirreff, on the north coast of Livingston Island ... 4000 individuals. Notes on other pinniped species observed during the survey are presented. The optimal ...
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