Результаты поиска
-
e-imaf-00 report.pdf
... catch into summer and winter components. Three alternative splits (80:20, 70:30 and 60:40) were used ... project had demonstrated a 28% decline in the breeding population over the last 20 years and concluded ... Vessels which have fished for at least three cruises in two years and consistently failed to comply with ... of 65°S in order to conduct line-weighting trials. Line Weighting 7.58 As in previous years, no
application/pdf attached to:Ad Hoc WG-IMAF-00
Meeting Report : Ad Hoc WG-IMAF-00
-
e-cc-xx-a4.pdf
... should be performed on average once every two years, and in 1995 that this would be required at least ... from two Members were currently still outstanding and that one Member had not yet fully paid its ... . Martí, for her masterly presidency of the Committee for the past two years. She had done a fantastic ... Fund (62 090) 0 Items from previous year 20 100 18 550 (1 550) Interest 18
application/pdf attached to:SCAF-01
Meeting Report : SCAF-01
-
e-sc-iv.pdf
... at both South Georgia and Kerguelen one or two seasons of relatively high catches had been ... level of some recent years), on the total annual catches in each of these two sub-areas; 16 (d ... dominated by a single year-class. This, as noted last year, makes the fishery vulnerable to years of low ... juveniles, up to about 4 or 5 years of age, are distributed in the coastal areas, protection of these fish
application/pdf attached to:SC-CAMLR-IV
Meeting Report : SC-CAMLR-IV
-
Preliminary report of sound-speed contrast and density of krill measured on board RV Kaiyo Maru
, morphology, orientation, and material properties of krill are required. There are two important material ... properties: one is the ratio of the density of the animals to that of the surrounding water (density contrast ... ) and the other is the ratio of the sound speed in animal to that in the surrounding water (sound-speed ... 25.1mm and 48.6mm were 1.0442 and 1.0348, respectively. Author(s): Y. Takao, H. Yasuma, R. Matsukura and ...
Meeting Document : WG-EMM-05/36 : Автор(ы): Y. Takao, H. Yasuma, R. Matsukura and M. Naganobu (Japan)
-
Fishing and conservation in southern waters
. The former Soviet Union has been the most important fishing nation, taking 80-90 % of the entire catch ... with the 1970039;s and 1980039;s, when most fisheries were subsidized, economic considerations and ... the 1990039;s. Author(s): Delegation of Germany Title: Fishing and conservation in southern waters ... and the Kerguelen Islands. After 15 years of exploitation, most fish stocks have been heavily depleted ...
Meeting Document : SC-CAMLR-XII/BG/11 : Автор(ы): Delegation of Germany
-
Fishing intensity of the Soviet fleet in krill fisheries in the southern Atlantic (Subareas 48.2 and 48.3)
300000 Years Subarea 48.3 Years C at ch (t on ne s) 19 86 /8 7 19 88 /8 9 19 90 /9 1 19 92 ... greatest recorded fi shing intensity. During the two most recent decades, such years occurred in the 1987 ... 90 /9 1 92 /9 3 94 /9 5 96 /9 7 98 /9 9 Years C at ch ( to nn es ) Subarea 48.1 0 ... 20-year fi shing history, the precautionary catch limit had never been approached. Furthermore, the ...
Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 15–35 : Автор(ы): Kasatkina, S.M. and V.F. Ivanova
-
Direct ageing of Antarctic krill (Euphausia superba) – potential utility of eyestalk sections for age determination
performed. First, longitudinal sections of the eyestalk from known age krill (2+ and 3+ years old) were ... seasons. Marks consistent with annuli observed in laboratory raised krill were observed. Length at age ... ) and fall on the line for two and three year old krill. If validated, the technique should allow the ... Antarctic Division and examined using the methods outlined in (Kilada et al. 2012). Two analyses are ...
Meeting Document : WG-EMM-15/45 : Автор(ы): C. Reiss (USA), R. Kilada (Canada) and S. Kawaguchi (Australia)
-
Is current management of the Antarctic krill fishery in the Atlantic sector of the Southern Ocean precautionary?
conservatively estimated subarea biomass in up to 20% of years due to high variability in krill biomass indices ... recent years. This suggests that fishing at the trigger level would be equivalent to a long-term ... 1991, is 0.62 million tonnes year –1, equivalent to ~1% of the regional biomass estimated in 2000. Each ... subarea has also had its own catch limit, between 0.093 and 0.279 million tonnes year –1, since 2009 ... catch limits exceed 9.3% of conservatively estimated subarea biomass in up to 20% of years due to high ... biomass (i.e. the total weight of reproductively mature individuals) after 20 years of fishing should ... stock biomass falling below 75% and 20% of the reference level) and one of the ‘acceptable limits’ on ... of 32 years for the sector 10°E to 90°W (Atkinson et al., 2014). It is unclear how the observed ...
Science Journal Paper : CCAMLR Science, Volume 23 (CCAMLR Science, Volume 23) : 31–51 : Автор(ы): Hill, S.L., A. Atkinson, C. Darby, S. Fielding, B.A. Krafft, O.R. Godø, G. Skaret, P.N. Trathan and J.L. Watkins
-
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 : Автор(ы): de la Mare, W.K., R. Williams and A.J. Constable
-
e-sc-iv-a4.pdf
... -classes present in 1970 (about 30–40,000 tons), and those caught in later years (about 5,000 tons). A ... /Kerguelen FRA: 80–85 Shelf 81–82 Skiff B. Pseudochaenichthy s georgianus /So. Georgia ... (30–86) 1cm (6–51) 2cm (14–62) 2cm (12–80) 1cm (12–68) FRG 1cm (34–73) 1cm ... uncertainties. 7. Problems were also met in respect of both age and length data. Examination of age-length
application/pdf attached to:WG-FSA-85
Meeting Report : WG-FSA-85
Страницы
- « первая
- ‹ предыдущая
- …
- 196
- 197
- 198
- 199
- 200
- 201
- 202
- 203
- 204
- …
- следующая ›
- последняя »