Search results
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Feeding patterns of nine species of Antarctic fish and assessment of their daily food consumption
is unsuitable for sea fishes. Populations of sea fishes consist of many schools, each containing several dozen ... within a particular group (school) compared with other groups. Each group behaves as a unit and its ... the weight distribution of T. hansoni in two consecutive samples. If one assumes that schooling patterns ...
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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An alternative method for estimating the level of illegal fishing using simulated scaling methods on detected effort
will curtail their fishing trips. This leads to a negative correlation between the amount of fishing ... , the more often the illegal fishers will curtail their fishing trips. This leads to a negative correlation ... for an area can be given by: est i i F P D= ∑ (2) where Di is an estimation of the maximum fi shing ... - verts the sum of maximum fi shing estimates to an expected number of illegal fi shing days. Di ... on the latest or earliest dates on which it was possible to fi sh the area, or Di could be set to some ... in the calculation of Di is that the previous and subsequent patrol vessels would have detected the illegal fi ...
Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 143–161 : Author(s): Ball, I
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Modelling variability and estimating power to detect change in Adélie penguin fledgling weights
at Béchervaise Island (67°35'S 62°49'E), near Mawson Station in East Antarctica, since the 1990/91 breeding ... extent validates the early recommendation for within-year measurement. However, the lack of evidence ... as foraging trips became longer during the latter part of the breeding season (Emmerson et al., in prep ... chicks will either die at the colony before fledging or their subsequent survival after fledging ...
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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A generalised model for evaluating yield and the long-term status of fish stocks under conditions of uncertainty
A.J. Constable School of Aquatic Science and Natural Resources Management Deakin University P.O ... recruitments that occurred only early in the projection (Figure 7a), resulting in little long-term change ...
Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 31–54 : Author(s): Constable, A. and W.K. de la Mare
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Natural mortality of grey rockcod (Notothenia squamifrons) in various areas of the Indian sector of the Southern Ocean
the first years of exploitation (Le. 1978 to 1979 for the Ob and Lena Banks and 1969 to 1972 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 141–146 : Author(s): Zaitsev, A.K.
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A preliminary assessment of age and growth of Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea, Antarctica
were 2.5–4.7 cm SL. Similar- ly, Kellerman (1986) studied lengthfrequency dis- tributions of Antarctic ... mailto:c.sutton@niwa.co.nz Sutton and Horn 76 is available on the early growth of Antarctic sil- verfish ... , primarily derived from clear modes in lengthfrequency distributions. DeWitt and Tyler (1960) found ... ) studied the early lifehistory of Antarctic silverfish occurring in the eastern and southern Weddell Sea ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 75–86 : Author(s): Sutton, C.P. and P.L. Horn
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Quantifying vessel performance in the CCAMLR tagging program: spatially and temporally controlled measures of tag-detection rates
time by applying the method to the annual fishing trips for each vessel. methods Initially, the case ... is defined as an individual vessel, but the analysis is later extended to vessel- season (trip ... between 15 January and 28 February. Each vessel is assigned a unique trip number for each season, which ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 73–80 : Author(s): Mormede, S. and A. Dunn
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A compilation of parameters for ecosystem dynamics models of the Scotia Sea – Antarctic Peninsula region
of l species in taxon k in SSMU j, and Di,j is the total annual krill consumption of species i in SSMU ... spatial dis- tributions, so the total adult size may not always scale linearly with the breeding ... sea- fl oor topography from satellite altimetry and ship depth soundings. Science, 277: 1957–1962 ... of mean school size and number of schools sighted divided by twice the product of search distance ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 1–25 : Author(s): Hill, S.L., K. Reid, S.E. Thorpe, J. Hinke and G.M. Watters
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The utilization of seabird censuses for krill monitoring
the projections on the directions of eigenvectors. Contour Plotting This method is due to Andrews (1972 ... . References Andrews, D.F., 1972. Plots of high-dimensional data. Biometrics vol. 28, pp 125-36. Geisser ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 393-425 : Author(s): Marschoff, E.R., J.G. Visbeek and L.R. Fontana
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A hybrid approach to acoustic classification and length estimation of krill
M. Azzali , I. Leonori and G. Lanciani Istituto di Scienze Marine ISMAR-CNR Sezione Pesca Marittima ... , are summarised in Table 5. The dis- crimination of the two euphausiid species obtained by the three-frequency ... school- ing organisms, such as euphausiids, this criterion is seldom met. Therefore, in the Ross Sea ... f d f δ Δ Δ Δ . The relative error |δ| is high for afj / fi < a1, decreases approaching the middle point between the two ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 33–58 : Author(s): Azzali, M., I. Leonori and G. Lanciani