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Analyses of acoustic line-transect data from the waters around South Georgia: estimation of krill (Euphausia superba Dana) – biomass
sample unit length is: (4) The estimated mean density for the whole region is then: (5) where Ai ... side of the shelf region (Figure 4), and taking a section as the basic sampling unit. This is not ... = 9.5%). Statistics for the 18 transect breakdown (Figure 4) and the six strata breakdown (Figure 5 ... ) are given in Tables 4 and 5 respectively. These estimates are based on the assumption of random ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 225–243 : Автор(ы): Murphy, E., I. Everson and A. Murray
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Archival and satellite-linked data recorders
fi::t...~ (4) Time-budget recorder 35x25x18 7.5 digital watch < US$ 20 direct obs (6 ... deployment. » Memory size from 64 KSytes to 256 KBytes. » Wide operating temperature: -20°C to +35°C ... . Wildl. Manage., 48(4) : 1077-1084. (4) WILSON, R.P. and C.A.R. BAIN. 1984. An inexpensive speed meter ... for penguins at sea. J. Wildl. Manage., 48(4) : 1360-1364. (5) HILL, R.D. 1986. Microcomputer ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 475-493 : Автор(ы): Hill, R.D.
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Myctophids in the diet of Antarctic predators
the present study is to review published data on the diet of various top predators (birds, seals ... Antarctic Convergence 35 species of myctophids are found, i.e. within the CCAMLR Convention Area (Hulley ... , 1990). Of these 35 species, 11 have circumpolar distributions and are mainly widespread from the ... variations are summarised in Table 4. A very close similarity in the distribution of these species in the ... , Table 4). However, only the data for Macquarie Island contain quantitative details (Hindell, 1988c ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 335–368 : Автор(ы): Sabourenkov, E.
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Integrating Count Effort by Seasonally Correcting Animal Population Estimates (ICESCAPE): a method for estimating abundance and its uncertainty from count data using Adélie penguins as a case study
Average distribution Standardised count 54 56 58 60 62 64 0.00 0.10 0.20 20 November 1990 R el at ... at iv e fre qu en cy 20 November 1990 55 60 65 70 ... in a reported count can be imposed by the user where none exists. 4. Availability fractions are ... 2 3 4 5 6 7 a b c d . . . . . . . 1 0.9 0.8 min DF 0.6 1 0.8 max Date uncert ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 213–227 : Автор(ы): McKinlay, J., C. Southwell and R. Trebilco
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Reproduction of the mackerel icefish (Champsocephalus gunnari) and its implications for fisheries management in the Atlantic sector of the Southern Ocean
approximately 25 cm around South Georgia and Kerguelen Islands, but approximately 35 cm around the South Orkney ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 51–68 : Автор(ы): Kock, K.-H.
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The sensitivity of multiple output statistics to input parameters in a krill–predator–fishery ecosystem dynamics model
Science, Vol. 20 (2013): 97–118 97 The sensITIvITy of mulTIple ouTpuT sTaTIsTIcs To InpuT parameTers ... values 7 7 SSMU Vectors 2 18 36 Predators – general Vectors 4 15 4 240 Predators – seasonal ... Vectors 10 15 4 2 1200 Krill – general Vectors 2 18 1 36 Krill – seasonal Vectors 4 18 1 2 144 Catch ... series1 Vectors 4 38 1 2 304 Foraging Matrices 1 18 4 2 144 Movement Matrices 1 18 1 2 36 Competition ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 97–118 : Автор(ы): Hill, S.L. and J. Matthews
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Trends in population size and breeding success at colonies of macaroni and rockhopper penguins, Marion Island, 1979/80–1995/96
chick survival was 72% (n = 4 312). Trends in chick survival at the three colonies were significantly ... a n g0 4 n W 20 3 V) Van den Boogaard 5 0 2 I 0 Trypot Fault Trypot Hole Figure 10 ... CCAMLR Science, Vol. 4 (1997): 89-103 TRENDS IN ... summarised in Cooper and Brown (1990), the count of incubating macaroni penguins was conducted between 20 ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 89–103 : Автор(ы): Cooper, J., A.C. Wolfaardt and R.J.M. Crawford
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Effects of weather and sea-ice on the reproductive performance of the Adélie penguin at Edmonson Point, Ross Sea
2 4 6 8 10 12 14 16 N u m b e r o f d e a d c h ic k s 0 10 20 30 40 50 60 ... /99 0 2 4 6 8 10 12 14 16 N u m b e r o f d e a d c h ic k s 0 10 20 30 40 ... 0 10 20 30 40 50 60 70 80 W in d s p e e d ( k n o ts ) n = 97 n = 76 ... . Sarfatti’ Università degli Studi di Siena Via P.A. Mattioli 4, 53100 Siena, Italy Email – olmastroni ...
Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 99–109 : Автор(ы): Olmastroni, S., F. Pezzo, V. Volpi and S. Focardi
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Diet of the Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea, Antarctica (Subarea 88.1)
. Total length (cm) 60 80 100 120 140 160 180 200 N um be rs o f f is h 0 20 40 60 80 100 120 ... f f is h 0 20 40 60 80 100 120 2001 fishing season 2002 fishing season females n = 2 234 x ... fewer than 60 fi sh, making comparisons diffi cult. This study presents dietary observations on D ... in the previous year, the remainder were largely partly full (15% held traces of food, 20% held ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 113–123 : Автор(ы): Fenaughty, J.M., D.W. Stevens and S.M. Hanchet
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Estimates of circumpolar abundance of Antarctic krill based on recent acoustic density measurements
historical information on the overall range of krill. The biomass estimates fall between 60 and 155 million ... range of krill. The biomass estimates fall between 60 and 155 million tonnes - at the low end of values ... ) South Orkneys (4) South Georgia (3) Southeast Atlantic (l)* Southwest Indian (2) Southeast Indian (7 ... Southeast Atlantic -20% of the total area), and Divisions 88.1 and 88.2 (the Pacific Ocean sector -22% of ... 20 93 0 0 0 0 0 16 24 24 8.4 2 0 Area (km2) 595 490 851 860 1 029 000 940 430 ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 87–99 : Автор(ы): Nicol, S., A.J. Constable and T. Pauly
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