Search results
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Improving estimates of Adélie penguin breeding population size: developing factors to adjust one-off population counts for availability bias
, a count of some population object, such as adults, nests or chicks, outside the optimal time may need ... component of the total population, for example the breeding population (Lynch et al., 2009). The need ... unless standard- ised to a common point of breeding chronology. While the need to adjust raw penguin ... from 10 October 2007 to 31 January 2008. Time-series counts of adult penguins and appar- ently ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 229–241 : Author(s): Southwell, C., J. McKinlay, L. Emmerson, R. Trebilco and K. Newbery
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Spatially explicit population dynamics models for Antarctic toothfish in the Ross Sea region
allows the movement of fish between numerous areas with fewer parameters needed than if the movement ... 881A 4.7 9.6 27.0 3.4 8.8 34.6 1.4 3.4 32.7 881B 2.1 4.9 30.0 1.8 4.4 31.5 3.2 7.8 32.0 881C 4.0 9.5 ... 31.3 3.5 7.9 29.5 5.4 12.5 30.8 881D 5.9 4.2 9.4 2.1 4.3 27.4 0.0 0.0 - 881E 4.2 6.5 20.3 3.6 7.0 ... and temperature in degrees centigrade. 31 Spatially explicit population dynamics operating models ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 19–37 : Author(s): Mormede, S., A. Dunn, S. Hanchet and S. Parker
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Length- and age-at-spawning of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea
, 8 (1): 27–31. Burton, M.P.M., R.M. Penney and S. Biddiscombe. 1997. Time course of gametogenesis in north ... 1997/98 to 2008/09. Document WG-FSA-09/40 Rev. 1. CCAMLR, Hobart, Australia: 31 pp. Dunn ... , Australia: 31 pp. Hanchet, S.M., G.J. Rickard, J.M. Fenaughty, A. Dunn and M.J. Williams. 2008 ... and the MAT cell sizes would need to be inflated by another 30%. 67 Length- and age-at-spawning ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 53–73 : Author(s): Parker, S.J. and P.J. Grimes
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Characteristics of krill aggregations in the South Sandwich Islands subarea in January–February 2000
80 80 50 62 44 .0 77 .0 70 .0 52 .0 39 .0 a nd C V (% ) 25 .3 31 .3 29 .3 25 ... ., 31: 67–73. Watkins, J.L. and A.W.A. Murray. 1998. Layers of Antarctic krill, Euphausia superba ... and Weddell–Scotia Confl uence. 31° W 30° W 29° W 28° W 27° W 26° W 25° W 24° W 23° W 22° W 61° S 60° S 59 ... g m-2 31°W 30°W 29°W 28°W 27°W 26°W 25°W 24 ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 145–164 : Author(s): Kasatkina, S.M., A.P. Malyshko, V.N. Shnar and O.A. Berezhinsky
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Distribution and size–age composition of Antarctic krill (Euphausia superba) in the South Orkney Islands region (CCAMLR Subarea 48.2).
n = 19 192 % 16 14 12 10 8 6 4 2 0 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 ... 2+ 2007 3+ 2006 4+ 2005 5+ males females mm n = 16 845 % 8 7 6 5 4 3 2 1 0 29 30 31 32 ... 0 –10 –20 –30 29–30 31–32 33–34 35–36 37–38 39–40 41–42 43–44 45–46 47–48 49–50 51–52 53 ... 1+ 2+ 3+ 4+ 5+ 2 3 4 5 6 7 2 3 4 5 6 Size–age groups (b) 29–30 31–32 33–34 35–36 37–38 39–40 41–42 43–44 45–46 47 ...
Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 123–134 : Author(s): Sologub, D.O. and A.V. Remeslo
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A hybrid approach to acoustic classification and length estimation of krill
Paper Title: A hybrid approach to acoustic classification and length estimation of krill Abstract / Description: The problem of acoustically identifying and estimating the sizes of two euphausiid species is considered. A euphausiid aggregation is represented by a three-dimensional probabilistic
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 33–58 : Author(s): Azzali, M., I. Leonori and G. Lanciani
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Distribution and abundance of Macrourus carinatus on BANZARE Bank in the southern Indian Ocean
an average of 31% to the total catch. In the Denmark Strait and Irminger Sea, macrourids comprised ... . This translates into an estimate of such estimates are obtained, CCAMLR will need to biomass (+ standard error ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 171–178 : Author(s): van Wijk, E.M., A.J. Constable, R. Williams and T. Lamb
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Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the number of concentrations and analytical justification for search data
. These examples highlight the need for a navigational log as well as a fishing log in order to make accurate ... in the early 1980s. These examples highlight the need for a navigational log as well as a fishing log in order ... collected by Soviet research/survey vessels in the early 1980s. These examples highlight the need ... of krill. Both kinds of information are needed to construct abundance indices that are responsive ... ). They were not collected with the intent of this estimation, so that additional assumptions are needed ... used to estimate the number of concentrations in a sector of the ocean. In particular, there is a need ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 283–322 : Author(s): Mangel, M.
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Can toothfish catches be used to predict the presence of vulnerable benthic invertebrate taxa?
with toothfish 146 91 45 990 1272 Sets with VME taxa 19 19 25 116 179 Segments with VME taxa 29 31 27 349 436 ... a 1 0. 68 8 0. 31 3 0. 87 5 0. 12 5 0. 95 3 0. 04 7 0. 73 4 0. 26 6 0. 87 5 0. 12 ... 5 0. 68 8 0. 31 3 64 2 0. 93 8 0. 06 2 0. 99 3 0. 00 7 0. 89 7 0. 10 3 0. 94 ... ) 3 2.39 1328 474.59 0.01 Vessel 3 22.84 1325 451.75 0.05 Area 3 12.44 1322 439.31 0.08 Longitude (1st ...
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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Target strengths of Antarctic krill (Euphausia superba)
on the target strength of euphausiids and other small crustaceans convinced the authors of the need to perform ... for adding to the logarithmic OD units: - 42.3 and -31.1 dB for the data at 38 and 120 kHz, respectively ... remaining unchanged for the 'regression' method. The rms length for the two subsets are 33.2 and 31.6 mm ... energy: the need for measurements of orientation distributions. J. Cons. 1nl. Explor. Mer, 39: 193-201 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 265–279 : Author(s): Everson, I., D.G. Bone, J.L. Watkins and K.G. Foote