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Preliminary analyses of data collected during experimental phases of the 1994/95 and 1995/96 Antarctic crab fishing seasons
at liberty for about one to five weeks. The recaptured crabs had minimum movement rates of 0.08 to 0.25 ... , but attempts were made to account for biased sampling of recaptured crabs and the movement of crabs away from ... crabs were recovered, and these crabs were at liberty for about one to five weeks. The recaptured crabs ... crabs and the movement of crabs away from their release sites. Density estimates from the mark-recapture ... , and these crabs were at liberty for about one to five weeks. The recaptured crabs had minimum movement rates ... and the movement of crabs away from their release sites. Density estimates from the mark-recapture data were ... servir a estimer l'abondance des crabes lorsque l'on Ptudie des secteurs plus etendus et que les ... 3 ~ a n a 1 rosopxT o TOM, Y T O 661~10 661 H ~ U ~ J I ~ C O O ~ ~ ~ ~ H ~ I M 3KCTpanOnMpOBaTb JlOKanbHbIe OUeHKH ...
Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 141–159 : Author(s): Watters, G
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Fishery report: Champsocephalus gunnari South Georgia (Subarea 48.3)
in one year followed by a zero catch in the second year. There are other differences between the two ... ) Year 2 (2005/06) (tonnes) Yield age 2+ fish only 3 574 2 262 Yield including age 1+ fish 5 935 ... composed of animals of age 3 with some also of ages 2 and 4 (Figure 1). There was no evidence of a major ... , age-1 fish were not included in any calculations by the Working Group this year. 3 ANI 48.3 ...
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Preliminary study on nesting Adélie penguins disturbance by unmanned aerial vehicles
on each type of behaviour and number of different types of behaviour displayed by one bird during ... of different types of behaviour displayed by one bird during the observation periods were compared ... 2 m further away. Each recording lasted 18 to 20 minutes. Control group data recording (breeding colony ... the piston engine UAV was further away, and the noise level decreased, only 20% of birds exhibited ... and distribu- tion has been used as one of the most important indication of ecosystem status and change (e.g ... of behaviour and number of different types of behaviour displayed by one bird during the observation periods ...
Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 1–16 : Author(s): Korczak-Abshire, M., A. Kidawa, A. Zmarz, R. Storvold, S.R. Karlsen, M. Rodzewicz, K. Chwedorzewska and A. Znój
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Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.1
be simply a differential immature/mature distribution of animals of one stock, as is seen in the Ross Sea ... released alive should be doubled-tagged (i.e. two tags per skate) at a rate of one skate in every five ... caught (previously one fish per tonne), and a limit of 500 fish tagged per vessel applied until the end ... 4. 18. WG-FSA-09/14 Rev. 1 presented an assessment of D. mawsoni in Division 58.4.1 using an age ...
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Results of the CCAMLR Antarctic fish otoliths/scales/bones exchange system
/ Description: An exchange system was established among Members of CCAMLR to compare age determinations ... of agreement in age determination was highest for scales of juvenile N. rossii and for otoliths of juvenile ... and less experienced ones. File: 14-Kock.pdf ... An exchange system was established among Members of CCAMLR to compare age determinations ... the same age (e.g. 5 and 5) but also when one of the investigators only gave an approximation (e.g ... in determining the age of the species; one investigator (2) was less experienced. Age classes 4 to 12/13 were ... investigators (1 and 2) were experienced and one (3) was less experienced. Age classes 3 to 7 were identified ... of the investigators were experienced (1 and 3), one was experienced in ageing C. gunnari by fin ray sections ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 197–226 : Author(s): Kock, K.-H.
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An update on the ageing of Antarctic toothfish, Dissostichus mawsoni, from East Antarctica and the Amundsen Sea
Abstract: This paper presents an update on the ageing of Antarctic toothfish, Dissostichus ... and against the New Zealand reference ages showing a high level of precision (all IAPE < 5%, CV < ... ; 7%). Sister pairs of Antarctic toothfish otoliths were also prepared, one using the ‘bake and embed’ method ... and the other by thin sectioning, in order to assess the comparability of age estimates derived from each method ...
Meeting Document : WG-FSA-17/15 : Author(s): G. Nowara, B. Farmer, T. Barnes, P. Ziegler and D. Welsford
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Food consumption by predators in a CCAMLR integrated study region
consumption of seabird predators is provided. This model is a development of earlier ones used in the South ... consumption of seabird predators is provided. This model is a development of earlier ones used in the South ... procedure is based on an activity cycle which can be one, two or three years long within which there may ... on the IBM 360 at Cambridge University. The program formed the basis of two papers, one referring solely ... species complete one breeding cycle in one year, wandering, grey-headed and light-mantled sooty ... according to the data input. The dietary composition is also assumed to vary over a one-year period ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 489–519 : Author(s): Croxall, J.P., C. Ricketts and A.G. Wood
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Protecting young fish and spawning aggregations of Champsocephalus gunnari in Subarea 48.3 (South Georgia): a review
Regulations and Minimum Size Limits One of the most commonly used approaches to increasing the age at first ... with an increase in the age at first capture of C. gunnari from 2-3 years old to 3-4 years old, particularly ... shelf in some years, at certain times of the year may show a high degree of age specificity ... of 3- and 4-year-old fish (27-40 cm). One, however, was composed almost entirely of 1 and 2 year olds (about 12 ...
Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 75–86 : Author(s): Parkes, G.B
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Cephalopods: Trophic modelling of the Ross Sea
of squid found there, arrow squid (Nototodarus sloani), suggests that the animals live for around one year ... ) although they could also represent more than one spawning time in a year (see Cherel & Weimerskirch 1999 ... to grow with eggs maturing and being released one or two at a time. The numbers of eggs produced ... K and t0 we use two estimates of size at age for Psychroteuthis glacialis. First, we consider the smallest ...
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Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.2
-08/43 could also be simply a differential immature/mature distribution of animals of one stock ... is D. mawsoni (Tables 1(a) and 1(b)). In 2009/10, one vessel fished in SSRUs A and E and reported a total ... and 33 D. eleginoides (total 1 676 fish) have been tagged and released, and one recapture has been ... , one of whom shall be appointed in accordance with the CCAMLR Scheme of International Scientific ...
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