Resultados de la búsqueda
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Information on the status of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps in the lower South Shetland Islands, derived from the 2000–2006 monitoring program at Potter Cove
sampling period of 24 years which began in 1983, and at Harmony Cove in the summers of 2001to 2003. The ... early 1980s, while those of G. gibberifrons have further declined and remain close to zero. At Harmony ... was absent in the catches. These trends are consistent with those observed in scientific cruises ... , particularly over the last two years. These observations are consistent with results from bottom trawl ... date (Epanenchikov kernel, bandwidth = 0.15), together with the observed split-year mean values. 0 ... of 24 years which began in 1983, and at Harmony Cove in the summers of 2001 to 2003. The decline in ... trend of N. rossii catches from 1991 to 2006, the actual levels are half of those found in the early ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 83–87 : Autor(es): Barrera-Oro, E.R. and E.R. Marschoff
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e-sc-xxx-a05.pdf
... in the case of Subarea 48.4) that was carried out over a sequence of years with a multi-year ... same time each year. (iv) Trauma index – a measure of the injuries to the fish associated with ... in a four-year experiment, assuming constant annual catches and constant tagging rates in all years ... current B (with associated uncertainty) as they were estimated in every year of the exploratory fishery
application/pdf attached to:WG-SAM-11Meeting Report : WG-SAM-11
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Acoustic estimates of krill abundance at South Georgia, 1981–1998
north-eastern and north-western ends of South Georgia. In four of these years biomass was higher to the ... of the years between 1990 and 1998 it was possible to calculate separate biomass estimates for the ... fluctuated widely from year to year over this time, ranging from?2 to? 150 gm-2 (wet weight). The 1982, 1991 ...
Meeting Document : WS-AREA 48-98/9 : Autor(es): A.S. Brierley, J.L. Watkins, C. Goss, M.T. Wilkinson and I. Everson (UK)
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e-sc-38-a5.pdf
... ecosystem survey in the eastern Indian Ocean sector of the Antarctic (Division 58.4.1) with a focus on ... the winter season were associated with decreased penguin performance, but the relationship between ... density and catch-per-unit-effort (CPUE) either remain stable through the fishing season in some years or ... increased towards the closure of the krill fishery in other years. It encouraged further analyses of this
application/pdf attached to:WG-EMM-2019Meeting Report : WG-EMM-2019
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Acoustic estimates of krill biomass in the Elephant Island area: 1981–1993
years 1981 to 1993 (with the exception of 1982 and 1986). Estimates for 1981 to 1991 are based on ... ., 1991). Biomass estimates range from 267 x 10 3 tonnes (March/April 1985) to 4 880 x 10 3 tonnes ... density over the 13-year period were 1 703 x 103 tonnes and 53.2 g/ 2. File: 01hewitt-demer.pdf ... vicinity of Elephant Island are presented for the years 1981 to 1993 (with the exception of 1982 and 1986 ... p a i o ~ e o-sa 3 n e a a ~ ~ B nepnon c 1981 no 1993 rr. (sa mxnIoveHHeM 1982 H 1986 rr.). O U ... Nov Mar Nov Mar Jan Jan Feb early Jan late Jan early Feb late Feb late Jan late Feb-early ... Mar late Jan early Mar Jan Feb throughout the survey area (Loeb and Siegel, 1993) and ...
Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 1–5 : Autor(es): Hewitt, R.P. and D.A. Demer
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The recent decline in recruitment of Gobionotothen gibberifrons in the South Shetland Islands (CCAMLR Subarea 48.1)
extent Antarctic fish stocks recover from exploitation and how natural causes may add to man-made ... caused a number of years of very low recruitment around Elephant Island and the lower South Shetland ...
Meeting Document : WG-FSA-12/20 : Autor(es): K.-H. Kock (Germany) and C.D. Jones (USA)
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Short note: time series of Drake Passage Oscillation Index (DPOI) from 1952 to 1988
generally observed for around 3 years except 6 years between 1958 and 1964. Author(s): M. Naganobu and K ... Abstract: Naganobu et al. (1999) had assessed variability in krill recruitment and density with ... from 1952 to 1988. A time series of 3-month running mean suggested considerable seasonal variability of ... . A low DPOI less than 10 hPa appeared in 1967 and 1980. Intervals between the years of low DPOI were ...
Meeting Document : WG-EMM-02/44 : Autor(es): M. Naganobu and K. Kutsuwada (Japan)
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e-sc-xxv-a5-appD.pdf
... unregulated fishery of 4 583 (95% CI 3 756–12 237) seabirds. The values for this and previous years are ... observation rates and ranges increased from last year: Subarea 48.6, 50% compared with 31%; Subarea 58.4, 70 ... 2004/05 to 80% (29 of 36 cruises) this year (WG-FSA-06/38, Table 3), although this is not as high as ... use in preventing net entanglements with seabirds. 55. Similar to reports from last year (SC-CAMLR
application/pdf attached to:Ad Hoc WG-IMAF-06Meeting Report : Ad Hoc WG-IMAF-06
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e-scic-2021-rep.pdf
... . 27. China highlighted the fact that CM 26-01 was revised just two years ago with an EU proposal and ... (CCEP) Provisional CCAMLR Compliance Report 40. In accordance with CM 10-10, paragraph 3(i), SCIC ... consensus to adopt the Provisional CCAMLR Compliance Report as required in accordance with paragraph 3 of ... Vanuatu with CM 10-09, paragraph 2. CM 10-09, paragraph 3 79. SCIC considered the implementation of
application/pdf attached to:SCIC-2021Meeting Report : SCIC-2021
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e-sc-40-a4.pdf
... 6.477 million tonnes, with a CV of 28.9%, represented the best available estimate for the eastern ... provisional agenda was discussed and the Working Group adopted the proposed agenda with minor additions ... with advice to the Scientific Committee and other working groups are highlighted and collated in ... , Appendix D, Table 1) to reflect new knowledge gained in recent years. 2.4 WG-ASAM-2021/04 Rev. 1
application/pdf attached to:WG-ASAM-2021Meeting Report : WG-ASAM-2021