Resultados de la búsqueda
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An assessment of the mackerel icefish (Champsocephalus gunnari) off Heard Island
the Heard Plateau is 275 mm. The growth curve gives a mean length for fish aged one year less than ... years from the two abundant cohorts of 1 500 tonnes, comprising 900 tonnes in the first year and 600 ... the same years. 300 - - 200 - S 0 S _I 100 - 0 - I I I I 0 2 4 6 Age (years ... the spawning stock falling below 20% over the specified period (20 years is used here) should not be ...
Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 79–101 : Autor(es): de la Mare, W.K., R. Williams and A.J. Constable
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Seabird interactions with longlining operations for Dissostichus eleginoides at the South Sandwich Islands and South Georgia
mortality was seen and only one bird was caught on a hook; nevertheless many species in these aggregations ... . Alternatively, other configurations of streamer lines might be easier to accommodate, e.g. two lines, one to ... Peninsula, islands of the Scotia Sea and Antarctic continent between 80°W and 20°W: their status and ... operations. No incidental mortality was seen and only one bird was caught on a hook; nevertheless many ... 3THM KOnHYeCTBO 6enome~oro ~ Y ~ ~ B ~ C T H M K ~ H ~ e p ~ o 6 p o s o r o aJlb6a~poca. C n y ~ a ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 143–153 : Autor(es): Ashford, J.R., J.P. Croxall, P.S. Rubilar and C.A. Moreno
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e-sc-xxvi-a8.pdf
... guidelines for EK60 calibration procedures within the next two years. Dr Jarvis is one of the co-chairs of ... (Cambridge, UK, 30 April to 2 May 2007) 556 CONTENTS Page INTRODUCTION ... ............................................................................. 557 REVIEW OF THE FINDINGS OF TWO PREVIOUS MEETINGS OF SG-ASAM ... 557 NEW INFORMATION ON ICEFISH ... SUBGROUP ON ACOUSTIC SURVEY AND ANALYSIS METHODS (Cambridge, UK, 30 April to 2 May 2007) INTRODUCTION
application/pdf attached to:SG-ASAM-07Meeting Report : SG-ASAM-07
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Acoustic estimates of krill density at South Georgia, 1981 to 1998
from year to year over that time, ranging from ≈ 2 to ≈ 150 g m-2 (fresh mass). The 1982, 1991 and ... years ,90' ,982 ,9i5 ,pB ,9+ ,9s6 $6' 40% ,989 ,99' ,992 ,9@ ,9qb ,9qb ,9q6 ,992 49% Year Figure 2 ... remaining two years, 1982 and 1992, density estimates were derived from surveys around the whole island ... annual (i.e. 1996, 1997 and 1998) acoustic surveys at South Georgia within two defined 80 X 100 km ... South Georgia has varied between years from <2 g m-2 to >l50 g m-?, i.e. by two orders of magnitude ...
Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 47–57 : Autor(es): Brierley, A.S., J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson
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e-sc-38-a4.pdf
... analyses (WG-FSA-2018 report, paragraphs 4.27, 4.29 and 4.30). 6.2 WG-SAM-2019/34 summarised two ... that this research program was initiated in 2018/19, and comprised three years of on-water research ... (WG-FSA-2018 report, paragraphs 3.18 to 3.20) as well as WG-SAM-2019/32. The length (or age ... link output from the previous year in extracts to data users to support data comparisons between years
application/pdf attached to:WG-SAM-2019Meeting Report : WG-SAM-2019
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Estimating krill recruitment and its variability
rate for 1+ krill (the ratio of the number of krill aged one year to the number of krill aged one year ... for 2+ krill (the ratio of the number of two-year-old krill to the number aged two and above) from ... Estimating Krill Recruitment and its Variability 20 30 40 50 60 Length (mm) 100 90 Nella Dan: ADBEX I ... o 80 8 70 * 60 .$ : 5 30 D 20 10 0 Figure 7: The fit of mixture distributions to ... both putative one-year-old and two-year-old age classes. Five putative age classes (components) are ... with R(t) estimated for both putative one- and two-year-old age classes. above data, and four age ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 55–69 : Autor(es): de la Mare, W.K
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e-cc-ix-a8.pdf
... THE STANDING COMMITTEE ON OBSERVATION AND INSPECTION (SCOI) The Standing Committee met on 24 ... , especially with regard to an individual case of inspection, was one such issue, and requested that Agenda ... Committee by elaborating on any of the points raised by SCAR, nor would he have the benefit of hearing the ... should be restricted to the Commission Members. REPORTS OF INSPECTIONS CARRIED OUT IN 1989/90 5. The
application/pdf attached to:SCOI-90Meeting Report : SCOI-90
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e-sc-xxv-a4-appD.pdf
... SSMU 11 0 10 20 30 40 50 60 0. 0 0. 4 0. 8 1. 2 SSMU 12 year re la tiv e ab un da nc e 0 ... 10 20 30 40 50 60 0. 0 0. 4 0. 8 1. 2 SSMU 13 year 0 10 20 30 40 50 60 0. 0 0. 4 0. 8 1. 2 ... SSMU 14 year 0 10 20 30 40 50 60 0. 0 0. 4 0. 8 1. 2 SSMU 15 Figure 3: Penguin abundance ... pelagic area (13), west (14), east (15). 243 re la tiv e ab un da nc e 0 10 20 30 40 50 60 0
application/pdf attached to:WMP-06Meeting Report : WMP-06
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e-sc-xii-a4.pdf
... Chile reported krill catches from one vessel fishing in two areas: north of Elephant Island and north ... was noted that planning and organising surveys would take at least two to three years. Therefore ... the problems with the FIBEX survey data encountered last year had now been resolved (WG-Krill-93/20 ... Butterworth et al. (1992)9: the median depletions at the end of a 20-year period of harvesting were scarcely
application/pdf attached to:WG-KRILL-93Meeting Report : WG-KRILL-93
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e-sc-xxx-a05.pdf
... 8, paragraphs 5.116 and 5.117), however, because the analyses were conducted on two separate years ... recaptures of double-tagged Dissostichus spp. with one or two tags remaining. The parameter of annual tag ... Rev. 1) in Subarea 88.1 and SSRUs 882A and 882B using two additional years’ tag-recapture and catch ... in the case of Subarea 48.4) that was carried out over a sequence of years with a multi-year
application/pdf attached to:WG-SAM-11Meeting Report : WG-SAM-11