Search results
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Biogeographic patterns of benthic invertebrate megafauna on shelf areas within the Southern Ocean Atlantic sector
effects of disturbance regimes, whether by iceberg scouring or historical commercial bottom trawling ... , whether by iceberg scouring or historical commercial bottom trawling. Patterns of benthic invertebrate ... , 1912; Hedgpeth, 1969). Such attempts have been plagued by difficult and per- plexing taxonomy or ... thwarted by sparse records. Even where advances in both have been so great as to allow the delineation of ... land-based stations, and have been limited by very small spatial scales with little attention given ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 167–192 : Author(s): Lockhart, S.J. and C.D. Jones
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Can toothfish catches be used to predict the presence of vulnerable benthic invertebrate taxa?
locations. This study used the catch of the six most common vulnerable invertebrate taxa reported by ... invertebrate taxa reported by observers on New Zealand vessels during the 2009/10 Ross Sea longline fisheries ... ’ refers to the list of taxonomic groups defined by the Commission in 2009 following the VME Workshop (SC ... coral-supporting habitats was shown experimentally in the North Atlantic by Husebo et al. (2002) by ... , currently exists at small spatial scales. The objective of this study is to use data col- lected by ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 87–96 : Author(s): Parker, S.J. and M.H. Smith
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Optimization of survey sampling design in the detection of interannual variability and prey size selectivity in the diet of penguins
the assumptions of balanced design and the variance component of ‘penguin-by-date’ interaction equal ... and the variance component of "penguin-by-date" interaction equal to the variance component of ... of Ad6lie penguins from Bahfa Esperanza was made using a nested ANOV A design with data grouped by ... variability due to penguin selectivity because the design used was not intended to calculate the "penguin-by ... detection is also discussed. 2. DETECTIONOFINTERANNUAL VARIATIONS IN THE MEAN SIZE OF KRILL EATEN BY ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 551–559 : Author(s): Marschoff, E. and B. Gonzalez
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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
of E. carlsbergi were analysed by length composition, sex ratio and maturity stages in relation to ... analysed by length composition, sex ratio and maturity stages in relation to the location where samples ... by the theory that the reproductive part of the E. carlsbergi distribution area coincides with the ... the area bounded by 40°00' to 42°30'S and 16°00' to 17°00'W was also carried out. The distance ... of the South Atlantic, of a fairly broad S TFZ bounded by two temperature/salinity fronts, together ...
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
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Modelling variability and estimating power to detect change in Adélie penguin fledgling weights
. If practical, these findings could have substantial benefits by simplifying data collection. File ... could have substantial benefits by simplifying data collection. Résumé Des modèles statistiques de ... five periods are given in Table 1) as recommended by the CEMP Standard Methods (CCAMLR, 1997). All ... . Under these assumptions, variation in fledgling weight can be described by the model equation: Table 1 ... five-day period, all years combined. Years indicated by * are included in the final analysis. Shaded ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 191–200 : Author(s): Emmerson, L.M., C. Southwell and J. Clarke
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Breeding numbers and success of Eudyptes penguins at Marion Island, and the influence of mass and time of arrival of adults
foraging range than rockhopper penguins when breeding, and may be more influenced at this stage by wider ... foraging range than rockhopper penguins when breeding, and may be more influenced at this stage by wider ... penguins leave Marion Island after moulting by 25 April, before returning in late October and early ... ., 1997). From 1994/95 to 2004/05, each count was made three times on the same day by the same observer ... are indicated in Table 2. Mass was meas- ured by catching a bird and placing it in a harness, which ...
Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 175–190 : Author(s): Crawford, R.J.M., B.M. Dyer, J. Cooper and L.G. Underhill
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The foraging range of Adélie penguins at Béchervaise Island, Mac. Robertson Land, Antarctica, and its overlap with the krill fishery
MaK-Po6epTCOH), 6bIJIH YCTaHOBJIeHbI C nOMOIllblO cnYTHHKOBoro CJIe>KeHH5I, HCnOJIb3Y5I CHCTeMY ... ) were determined by satellite tracking using the ARGOS system. Birds were tracked over four foraging ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 337–344 : Author(s): Kerry, K.R., J.R. Clarke and G.D. Else
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A comparison between otoliths and scales for use in estimating the age of Dissostichus eleginoides from South Georgia
; for otoliths, we used transverse sections prepared by baking and grinding the posterior and anterior ... ; for otoliths, we used transverse sections prepared by baking and grinding the posterior and anterior ... fish can be obsc~lred by compression of the circuli as growth slows wit11 age. As a result, true age ... considered high after maturity even though active growth continued. By contrast, Beamish and Harvey (1969 ... significantly different from ages using otoliths, while the precision of ages read by two readers was greater ...
Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 75–92 : Author(s): Ashford, J.R., S. Wischniowski, C. Jones, S. Bobko and I. Everson
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Feeding patterns of nine species of Antarctic fish and assessment of their daily food consumption
species was from 1 to 4% of their body weight. Annual food consumption by these species was calculated to ... % of their body weight. Annual food consumption by these species was calculated to be about five ... , but the level of krill consumption by these species might be substantial. This study was aimed at ... collected from fish stomachs and analysed. Food items were identified by species and also ranged according ... ). The diet of D. mawsoni contained T. eulepidotus (38% by weight), T. hansoni (6%), Chaenodraco wilsoni ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 321–333 : Author(s): Pakhomov, Y.A. and V.B. Tseitlin
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Distribution of mackerel icefish (Champsocephalus gunnari) (Channichthyidae) around South Georgia at various stages of its life cycle
its life cycle was studied using material collected by AtlantNIRO from 1970 to 1991. This study took ... of its life cycle was studied using material collected by AtlantNIRO from 1970 to 1991. This study ... . Variability of the distribution of C. gunnari by depth stratum and season at various stages of its life ... developmental stage were analysed. MATERIAL AND METHODS The data used in this study were collected by ... surveys are described by Frolkina et al. (1998). Bottom trawl surveys were carried out using the same ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 49–69 : Author(s): Frolkina, Zh.A