Resultados de la búsqueda
-
Estimation of krill (Euphausia superba) mortality and production rate in the Antarctic Peninsula region
C ID ::J 0- ID ~ LL 6 5 4 3 2 1 25 30 35 40 45 50 Total Length (mm) N=12933 ... npH6JIH3HTeJIbHO paBeH 2, H3 4ero CJIe,llyeT, 4TO B Te4eHHH H3Y4eHHblx JIeTHHX ce30HoB, MHrpHpYlOllla5I 1.Iepe3 ... population with an unknown age structure. 2. MATERIAL AND METHODS A net sampling survey for krill was ... frequency distribution is shown in absolute numbers in Figure 2 for the summer cruise 1989/90. The scarcity ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 159–176 : Autor(es): Siegel, V.
-
Spatial distribution of management measures, Antarctic krill catch and Southern Ocean bioregions: implications for conservation planning
58.4.2 A 2 645 000b (Trigger level = 452 000) 30 X X B 0 C 0 D 0 E 40 58.6 Outside NJ X X X X ... with similar distributions across the Convention Area. 0 5 10 15 20 25 30 35 0 2 4 6 8 10 12 ... et al. 2 2010), the core elements of which are summarised here in the context of a fished marine ... 2). To date there has been no central repository of standardised information on the spatial ...
Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 1–19 : Autor(es): Grant, S.M., S.L. Hill and P.T. Fretwell
-
Significant conservation benefits obtained from the use of a new fishing gear in the Chilean Patagonian toothfish fishery
Branch lines Anchor ~25–30 kg ~40 m Main line (a) Main line Branch line ‘Net sleeve’ Ø~2–3 cm Ø ... ° 67° Moreno et al. 82 Figure 2: (a) General design of the Chilean longline. The actual ‘main line ... ~70–74 cm Ø~30 cm Ø~10–15 cm ~100–120 cm Hooks Snoods ~20 cm ~15 cm ~25 cm Weight 4–8 kg ... mix design of the longline Number of sets Effort 1. Isla Camila 101 353 500 2. Isla Santa Clara ...
Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 79–91 : Autor(es): Moreno, C.A., R. Castro, L.J. Mújica and P. Reyes
-
A von Bertalanffy growth model for toothfish at Heard Island fitted to length-at-age data and compared to observed growth from mark–recapture studies
of recap- ture was 1 317 mm. Days-at-liberty ranged from 1 to 2 529, with 898 recaptures occurring ... -segment function 2 ( ) exp 0.0051 0.0494 ; 1030 100 400 1 ; 200 400 200 1 ; 400 1030 0 ; 200 L P L L ... popula- tion of fi sh, by μ(A, θ) so that E(L(Pop)|A) = μ(A, θ) = L∞ (1 – exp{–κ(A – t0)}) (2) and L ... K K−′ = + for j = 2,…,r – 1 and as con- venient endpoints set ( )1 1 2 /2r r r rK K K K ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 43–66 : Autor(es): Candy, S.G., A.J. Constable, T. Lamb and R. Williams
-
Seals: Trophic modelling of the Ross Sea
). The crabeater seal dives to 20–30 m typically at night (Shirihai 2002) although in winter, at 67oS ... 1985; Testa & Siniff 1987). Weddell seals in McMurdo Sound have been studied for over 30 years (e.g ... October. Pups dive and swim within 2 weeks, and are weaned at 6 weeks. Mating occur around November ... winter, although some 2 travelled as far as 500 km north beyond the Sound (Testa 1994). All adult ...
Document : Site Section: Publications
-
Fishery Report 2017: Dissostichus spp. (Subarea 48.2)
fishing season (from 1 December 2014 to 30 November 2015). Fishery Report 2017: Dissostichus spp ... the fishery Catch and CPUE 2. The total catch reported from research surveys that have been ... in this subarea. 2 Length-frequency distributions of catches 5. The length-frequency ... plan of Ukraine in Subarea 48.2 proceed in 2015 with an effort limit of 30 lines and catch limit of 75 ...
Document : Site Section: Publications
-
Scientific Abstracts 2006
................................................................. 1 Scientific Committee ........................................................ 2 Joint ... representative, scientific and vulnerable areas. CCAMLR-XXV/BG/30 Achieving a network of marine protected ... occurred half a decade ago, the recent increase is of concern. 2 SC-CAMLR-XXV/BG/12 Beach debris ... 3.73) might be achieved using conservation measures implemented by the Commission. 2. The 2005 ...
Document : Site Section: Publications
-
Age determination of Notothenia gibberifrons from the South Shetland Islands, Antarctic Peninsula subarea (Subarea 48.1)
35.9 36.4 35.6 35.1 35.3 37.8 26.8 31 (1 ) 30 (2) 26.5 27 38.4 38.8 38.7 38.1 38.4 39.6 29.3 31.4 32.8 ... ~ N 0'= 42 0 8 r ~n N~ = 53 ~ 6 4 z 2 ---- >- 14 16 18 20 22 24 26 28 30 32 34 36 38 u z t4 ... w :::> 12 ~ iO t N cf= 15 0 0::: 8 r B ~ I.L N~ = 22 6 4 2 14 16 18 20 22 24 26 28 30 ... CCAMLR to standardize criteria for studying the age and growth of Antarctic fish. 2. METHODS Samples ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 143-160 : Autor(es): Barrera-Oro, E.
-
New Zealand: Review documents for the Antarctic toothfish stock assessment for the Ross Sea region (Subarea 88.1 and SSRUs 88.2A and B)
frequency by sex, 2) the annual number of tagged fish recaptured by length and sex and year of release, 3 ... , then the stock assessment model under-estimated the biomass by 30 – 50 %. · A calculation of the ... , single fishery, fixed fishing selectivity, 2- and 3- area models 2006 Revise length-weight and growth ... , Australia, CCAMLR. WG-SAM-14/30: 6 p. Mormede, S. (2017a). Assessment models for Antarctic toothfish ...
Document : Site Section: Meetings
-
Fishery Report: Exploratory fishery for Dissostichus spp. in Division 58.4.1
.................................................................... 1 1.1 Reported catch ...................................................................... 2 ... Size distribution of catches ........................................................ 3 2. Stocks ... /05. 2. In 2010/11, the exploratory fishery for Dissostichus spp. in Division 58.4.1 was limited ... . The fishing season was from 1 December 2010 to 30 November 2011. Environmental protection in this ...
Document : Site Section: Publications