Resultados de la búsqueda

1. Variations in condition indices of mackerel icefish at South Georgia from 1972 to 1997

   account for 20% of the total mass (Kock, 1992; Everson et al., 1996). Arising from this, we envisage two ... percentage increases, in the case of female Antarctic fish, to over 20% in the months leading up to ... in April a i d May (months 4 and 5) is iiot clearly apparent from an inspection of tlie monthly C ... GSI Male C, Female GSI Female C, Last Spawning 1-7 1 1 .OO 3.5-4 1 .00 8 2 1.01 5 1.01 9 3 1.02 6 ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 119–132 : Autor(es): Everson, I. and K.-H. Kock

2. Timing of clutch initiation in Pygoscelis penguins on the Antarctic Peninsula: towards an improved understanding of off-peak census correction factors

   °28'S 60°46'W); Admiralty Bay, King George Island (62°10'S 58°30'W); Humble Island (64°46'S 64°06'W ... , unpublished Cape Shirreff, Livingston Island (62°28'S 60°46'W) CHPE 1997–2006 W.Z. Trivelpiece and S.G ... . Trivelpiece, unpublished Cape Shirreff, Livingston Island (62°28'S 60°46'W) GEPE 1998–2006 (exc. 2005 ... Palmer Station staff.) 3 Data downloaded from www.antarctica.ac.uk/met/gjma/ 4 In order to avoid ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 149–165 : Autor(es): Lynch, H.J., W.F. Fagan, R. Naveen, S.G. Trivelpiece and W.Z. Trivelpiece

3. Sensitivity analysis for parameters of predatory species CCAMLR Ecosystem Monitoring Program

   (30%) 4 6 418 0.9 88 25 7 4 71 20 0.9 72 1 9 9 71 1 8 8 Table 4 ... <.) '--' >-, <.) C 4) :l G' 4) :..... iJ... 60 e 50 40 30 20 10 I o~-~- 1.50 1.75 2.00 2.25 ... Difference (d) ( 1 0 %) 34 54 (% Current Value) (20 %) 9 1 4 (30%) 5 7 Sample sizes required for five ... years of monitoring and a = 0.10 Smallest Difference (d) (10%) 33 53 (% Current Value) (20 %) 9 1 4 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 411–432 : Autor(es): Whitehead, M.D.

4. Age determination of Champsocephalus gunnari Lönnberg, 1905 (Channichthyidae) taken in the South Georgia area in 1990

   =21 cm. W=60 g. Age 2+years. 17 February 1990. Figure 4: Vertebrae of C. gunnari taken by RV ... HX B03paCTa. Bonp. HXTHOJIOrHH, T. 20, BbIn. 6 (125): 941-944. K01.JKHH, n.H. 1985. AHaJIH3 ... ., 20 (2): 39-47. KOCHKIN, P.N. 1986. A rapid method for estimating mean length of Champsocephalus ... - 15.8 - - - 14.0 14.7 2 - 22.3 21.1 21.3 - 21.1 19.7 3 27.1 27.9 27.6 28.0 26.7 27.2 24.2 4 32.8 33.3 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 285–293 : Autor(es): Kochkin, P.N.

5. Distribution and abundance of Macrourus carinatus on BANZARE Bank in the southern Indian Ocean

   52 ±  4% of the total biomass. The mean density of M. carinatus on BANZARE Bank was 176 ± 14 kg/km 2 ... of the catch comprised (by weight): invertebrates (35%), cephalopods (4%), Antimora rostrata (3 ... occurrence of larval and juvenile stages of rat tail fishes (Family Macrouridae) from 60°N, 20°W and 53"N ... average 52 +- 4% of the total biomass. The mean density of M . carinatus on BANZARE Bank was 176 +- 14 ... YespPce le plus souvent capturee par chalut, representant en moyenne 52 .- 4% de la biomasse totale. La ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 171–178 : Autor(es): van Wijk, E.M., A.J. Constable, R. Williams and T. Lamb

6. Trends in relative abundance of fjord Notothenia rossii, Gobionotothen gibberifrons and Notothenia coriiceps at Potter Cove, South Shetland Islands, after commercial fishing in the area

   directed fishery, but it was mainly taken in significant quantities as by-catch (4 151 tonnes) (Kock ... ) are included in this paper. Trammel nets (length 25, 35 and 50 m; width 1.5 m; inner mesh 2.5 cm ... approximately one year. Barrera-Oro et al. 62"s 60°W (a) S h e t l a n d Figure 1: (a) The South ... , South Shetland Islands. Ant . Sci., 4 (2): 131-136. Barrera-Oro, E.R. and R.J. Casaux. 1996. Fish as ...

   Science Journal Paper : CCAMLR Science, Volume 7 (CCAMLR Science, Volume 7) : 43–52 : Autor(es): Barrera-Oro, E.R., E.R. Marschoff and R.J. Casaux

7. Length-based assessments revisited – why stock status and fishing mortality of long-lived species such as toothfish cannot be inferred from length-frequency data alone

   selectivity functions. 0 10 20 30 40 50 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 Immature selectivity Age (y ... ) Se le ct iv ity 0 10 20 30 40 50 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 Truncated mature selectivity ... Age (y) 0 10 20 30 40 50 0. 0 0. 2 0. 4 0. 6 0. 8 1. 0 Mature selectivity Age (y) 2000 2010 ... . 60 Based on a method by Powell (1979), Wetherall et al. (1987) also suggested an improved method to ...

   Science Journal Paper : CCAMLR Science, Volume 18 (CCAMLR Science, Volume 18) : 57–73 : Autor(es): Ziegler, P.E., D.C. Welsford and A.J. Constable

8. Identifying taxonomic groups vulnerable to bottom longline fishing gear in the Ross Sea region

   to be monitored as including all areas south of 60°S and so includes the entire Ross Sea region ... Anemones 0 43 12 4 23 158 Stony corals 40 24 22 3 45 912 Gorgonians 0 0 1 0 6 118 Sponges 32 9 25 9 28 ... : (L = <10 years; M = 10–30 years; H = >30 years) Growth rate: (L = mature <10 years; M = mature 10–20 ... , depth and diversity of those taxa within the Ross Sea region (60–80°S 150°E–150°W). The resulting ...

   Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 105–127 : Autor(es): Parker, S.J. and D.A. Bowden

9. Performance and geometry of the FP-120 trawl used during UK fish stock assessment surveys around South Georgia, Subarea 48.3

   to the nearest minute. 20 25 30 35 40 45 50 Station Figure 11: Trawl start times per station ... , biomass, finfish, CCAMLR INTRODUCTION Surveys using bottom trawls have been used for over 20 years to ... are shown in Figures 2 (a and b), 3 and 4. The distance sensor and mini-transponder were mounted ... : Photograph of the positioning of the horizontal opening sensor on the FP-120. Figure 4: Photograph of the ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 51–69 : Autor(es): Pilling, G. and G. Parkes

10. Selectivity of standard Polish commercial trawl codends on Antarctic fishing grounds

    [7.JO. ~'Slll IN CODEND 100 1 I \ I 80 J I 60 40 ~ ! 20 -l I '15 50 25 ... top down to the middle of its height with a cover having relatively small meshes (mesh bar 20 mm ... construction. 4. The most difficult matter will be preparing a codend with proper selectivity properties for ... chalut. 4. Le probleme le plus difficile sera de preparer un cui de chalut ayant les proprietes de ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 107-142 : Autor(es): Zaucha, J.

Páginas