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Bias in the estimation of krill yield from using a deterministic formulation of the median unexploited spawning biomass
. A subset of runs was undertaken to examine the effect of extending the projection period to 30 ... and for three levels of y - 0.15, 0.2 and 0.4. Projections for 20 years and 30 years were undertaken ... Butterworth et al. (1994). Values in parentheses are probabilities of depletion over a 30-year projection ... perio . Table 2: Escapement of spawning biomass at the end of 20 and 30-year projections for different ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 1–8 : Autor(es): Constable, A.J. and W.K. de la Mare
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Characteristics of krill aggregations in the South Sandwich Islands subarea in January–February 2000
and transect SSc north of 54°30’S) where colder Weddell Sea waters sink beneath warmer Scotia Sea ... le 1 : Pr in ci pa l p ar am et er s of th e m id w at er tr aw l P T 7 2/ 30 8 ... . Pa ra m et er T ra w l 72 / 30 8 V er ti ca l o pe ni ng (m ) 35 H or iz on ta l o ... .5 29 .0 35 .0 32 .0 25 .0 21 .0 a nd C V (% ) 41 .2 36 .6 30 .1 45 .2 40 18 .9 25 ...
Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 145–164 : Autor(es): Kasatkina, S.M., A.P. Malyshko, V.N. Shnar and O.A. Berezhinsky
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Statistical power to detect changes in growth rates of Antarctic fur seal pups
beginning about 30 days after mean pupping date and concluding prior to weaning, when pups are about 110 ... the first sample is weighed 30 days after mean pupping date, three additional samples at monthly (say ... ------- ------- Females ------- mean mean Date n weight (kg) s.d. n weight (kg) s.d. 1988: 2 Jan 30 9.91 1.60 20 8.78 ... 12.38 1.66 1989: 17 Jan 21 10.65 1.94 29 9.19 1.81 31 Jan 26 12.81 1.88 24 10.62 1.70 13 Feb 30 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 399–409 : Autor(es): Boveng, P., J.L. Bengtson and M.E. Goebel
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Improving estimates of Adélie penguin breeding population size: developing factors to adjust one-off population counts for availability bias
30–50 nest sites within the colonies. Ideally, cam- eras should be located at random locations with ... declined from 637 on 9 January to 39 on 16 February 2008 (Figure 4). The island-wide AO nest count on 30 ... 1 Nov 16 1 Dec 16 1 Jan 16 1 Feb 16 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 0 10 20 30 40 50 60 ... Camera 2 16 1 Nov 16 1 Dec 16 1 Jan 16 1 Feb 16 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 0 10 20 30 40 50 ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 229–241 : Autor(es): Southwell, C., J. McKinlay, L. Emmerson, R. Trebilco and K. Newbery
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Revised estimates of the area of the South Georgia and Shag Rocks shelf (CCAMLR Subarea 48.3)
. North east corner °S °W 0– 50 50 –1 00 10 0– 15 0 15 0– 20 0 20 0– 25 0 25 0– 30 0 30 0 ... 30 14 25 615 5 53.5 41 4 19 1 023 776 434 143 103 87 58 58 2 705 6 53.5 40 0 0 33 59 76 69 84 110 135 ... 465 264 427 452 339 220 0 0 0 0 2 167 16 54 35 2 30 273 385 1 125 467 35 30 28 31 2 406 17 54.5 39 0 0 ... 0 15 57 47 26 20 12 8 185 18 54.5 38 0 0 19 634 690 282 130 92 63 76 1 986 19 54.5 37 28 30 270 847 ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 167–175 : Autor(es): Belchier, M. and P. Fretwell
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Preliminary results of a bottom trawl survey around Elephant Island in October and December 1987
varied from 65-458 m. Standard trawling time was 30 minutes. The location of fishing stations is set out ... females had developing ovaries. Males were almost exclusively sexually mature. About 30% of them had ... Notothenia rossii marmorata Fischer 1885 in the west Antarctic waters. Arch.FischWiss. 30(1): 39-66. KOCK ... + 9+ 10+ 11+ 12+ 13+ 14+ 15+ 1 1 2 1 1 1 4 1 4 3 9 1 2 18 1 3 22 3 1 30 2 35 1 1 17 3 ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 185-200 : Autor(es): Kock, K.-H.
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Seabird interactions with longlining operations for Dissostichus eleginoides around South Georgia, April to May 1994
albatrosses could save the lives of 30 300 albatrosses and enable fishermen to save $4.9 million in bait ... each species in the vicinity of the ship was recorded every 30 minutes. Of the 20 sets for which ... hauls: giant petrel 30%, grey-headed albatross 21 %, black-browed albatross 21 %, white-chinned petrel ... Georgia (sets 5 to 15) during night-time setting. These occurred in aggregations of 20 to 30 birds ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 111–121 : Autor(es): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno
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Performance and geometry of the FP-120 trawl used during UK fish stock assessment surveys around South Georgia, Subarea 48.3
(17, 20 and 21) were logged every 30 seconds and the fourth (22) every 20 seconds. The hydrophone ... viable data from an individual tow (standard tow duration was 30 minutes), this tow was discarded ... height sensor, however, provided the FP-120 Trawl Performance and Geometry 0 0 13:53:54 13W.30 13 ... :59:10 14:01:50 14:04:30 14:07:10 \ Time [ --- Horizontal Opening - - - Headline Height Figure 5 ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 51–69 : Autor(es): Pilling, G. and G. Parkes
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Prey monitoring surveys: a discussion of the characteristics necessary in prey surveys
nOTpe6JIHeMblX H3MeHeHHHMH 06 cY>KAaIOTCH CbeMKH. H npoBeAeHHH. HH~opMa~HH 0 pacnpeAeJIeHHH BHAOB AJIH ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 377-391 : Autor(es): Everson, I.
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Areas of seabed within the 500 m isobath around Elephant Island (Subarea 48.1)
, expressed as square nautical miles by a 15' latitude X 30' longitude grid within 50 m depth contours down ... Table 1: Areas of seabed (n miles2) around Elephant Island by fine-scale grid of 15' latitude X 30 ... latitude X 30' de longitude. Tableau 2: Tableau recapitulatif des aires de fond marin (milles2) autour de ... lecho marino ([millas nauticas12) alrededor de isla Elefante con una precision de 15' de latitud X 30 ...
Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 131–135 : Autor(es): Kock, K.-H. and U. Harm