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1. Assessment and tag program adaption methods for exploratory fisheries in the CAMLR Convention Area: an example application for Division 58.4.3a

   this tagged population over time is as follows: , 1 , exp 1 . r y r y L IUU y y T T M TS h h (2 ... harvest rates seen in equation (2) are simply defined as , , L IUU yL IUU y y C h B K . (3 ... abundance data, I: Hillary 104 1 2 22 ,, ˆln ln1 ... exp 22 y y y Iy y I I I p I (4) where ... term in equation (4) is a composite of observa- tion (bar) and process error (PE): 2 2 2 , ,y I y I PE ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 101–113 : Автор(ы): Hillary, R.M

2. Fishing for toothfish using pots: results of trials undertaken around South Georgia, March–May 2000

   Zone of Uruguay, with catch rates of between 1 and 2 tont~es/day (green weight) being reported. Such ... Table 2. Most toothfish were lively and in good condition when hauled aboard. However, when pots had ... -1 219 N(NW) Georgia 6 8 800 9 256 805 355-1 344 E Georgia 5 5 500 5 875 832 321-1 257 Table 2 ... Catch Catch per Unit Gear (kg) Pot Long line 128 1.28 kg/ ot, 128 k per 5 km line 2 788 0.35 kg ...

   Science Journal Paper : CCAMLR Science, Volume 8 (CCAMLR Science, Volume 8) : 93–105 : Автор(ы): Agnew, D.J., T.M. Daw, G.M. Pilling and M.G. Purves

3. Target strengths of Antarctic krill (Euphausia superba)

   explanation. 2. EXPERIMENTAL DESIGN Earlier studies on the target strength of euphausiids and other small ... occasion. The krill were kept in a cluster of four holding pens. Each was cylindrical in form, with 2 m ... day. In addition, the light intensity at the same depth was recorded at 2-minute intervals. 5. DATA ... krill had to be purged for the following reasons: (1) early use of wrong integration limits, (2 ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part I) : 265–279 : Автор(ы): Everson, I., D.G. Bone, J.L. Watkins and K.G. Foote

4. Midwater trawl catchability as an aspect of a quantitative assessment of krill biomass conducted using a trawl census survey

   simulation studies of fishing trawls. 2. METHODOLOGY It is well known that for trawl census surveys ... hauling period T; P - trawl catchability. (1) (2) Assuming that information on values So S, B, Bo ... contains no errors, the relative error in the biomass estimate from formulas 1 and 2 will be calculated as ... formulas 1 and 2 will be minimal if the catchability coefficient is equal to 1.0. Moreover, the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 257–272 : Автор(ы): Kasatkina, S.M.

5. Seal mitigation measures on trawl vessels fishing for krill in CCAMLR Subarea 48.3

   suspended over the mouth of the net (Figure 2). The apex of the barrier was attached on either side ... entanglements could have been taking place but were impossible to observe. 2 No specific mitigation measures ... (Figure 4, measure 2). The fi nal modifi cation was the introduction of a large mesh barrier (Figure 4 ... in the roof of the net immediately in front of the barrier (Figure 6, measure 2) and the funnel and ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 195–205 : Автор(ы): Hooper, J., J.M. Clark, C. Charman and D. Agnew

6. Remarks on the natural mortality of Dissostichus eleginoides in Subarea 48.3

   al. (1990) y la recientemente aportada por Aguayo (1992). 2. METODOS Los datos para los ... (Kruskall-Wallis test H = 7.2692: 2 gl y P2 gl vns; KW ... test para el caladero Sur, H = 2.2868: 2 gl vns). Se observa al comparar entre caladeros, que los ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 21–30 : Автор(ы): Moreno, C.A. and P.S. Rubilar

7. Krill distribution in the western Atlantic sector of the Southern Ocean during 1983/84, 1984/85 and 1987/88 based on the results of Soviet mesoscale surveys conducted using an Isaacs-Kidd midwater trawl

   ) 210 781 173 569 202 370 Survey No. 1 2 3 Period 27 January-16 March 1984 11 October-14 ... swell, the trawl was then towed at the surface for 2 to 3 minutes. The total period of trawling from ... calculation was made relative to the 1 000 dbar. RESULTS Krill distribution is shown in Figures 2 to 4 ... Scotia Sea and off South Georgia. In the summer-autumn period of the 1983/84 season (Figure 2) an ...

   Science Journal Paper : CCAMLR Science, Volume 6 (CCAMLR Science, Volume 6) : 59–70 : Автор(ы): Sushin, V.A. and K.E. Shulgovsky

8. Target strengths of krill at 136 and 20 kHz

   discussion on the question of krill acoustic reflectability. 2. METHODS Evaluation of krill TS was ... wave strength did not exceed 2 points on the Beaufort scale. Hydroacoustic equipment included a Soviet ... : Operating frequency 20 kHz • dimensions of the calibration device: height - 1.9 m, length of the base - 2 m ... frequency 136 kHz • dimensions of the calibration device: height - 3.5 m, length of the base - 2 m ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 141–157 : Автор(ы): Kasatkina, S.M.

9. Midwater trawl catchability in relation to krill and possible ways of assessing gross catch

   which krill passed through the trawl mesh using fine-meshed chafers. 2. MATERIALS AND METHODS 2.1 ... catchability rates which facilitate the catch process: (2) where Pr _ catchability of the front trawl ... trawl. Research results are based on the trawl 72/308 whose specifications are listed in Table 2. In ... hour trawling while Figure 2 shows the dependency of total catchability (P) and the escapement ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 87–113 : Автор(ы): Zimarev, Yu.V., S.M. Kasatkina and Yu.P. Frolov

10. Movement, growth and available abundance to the fishery of Dissostichus eleginoides Smitt, 1898 at Heard Island, derived from tagging experiments

    and from the Kerguelen Plateau by extensive stretches of water deeper than 2 000 m. At present, fi ... waterline of the vessel. Generally, hauls with a fairly small catch (2 tonnes or less) were used to ... parameters (L∞ = 2 465 mm, k = 0.029 year-1, t0 = -2.56; data from SC-CAMLR, 2001). The tagged fi sh then ... is approximately 0.01. Movement Figure 2 shows the distance moved between re- lease and recapture ...

    Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 33–48 : Автор(ы): Williams, R., G.N. Tuck, A.J. Constable and T. Lamb

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