Search results

1. Fitting Euphausia superba into Southern Ocean food-web models: a review of data sources and their limitations

   of each method of sampling krill, i.e. with nets (for historical time series, demographic information ... and live krill), acoustics (distribution, time series, biomass and swarm-scale information), the fishery ... (sustained sampling in one place and wide area and time coverage) and via predators (long time series ... . with nets (for historical time series, demographic information and live krill), acoustics (distribution ... series, demographic information and live krill), acoustics (distribution, time series, biomass and swarm ... ) and via predators (long time series, demographic indices). Each data source has caveats and more efforts ... on a small number of observations or time series. Thus, theories, hypotheses and conceptual models have ... m and this forms the depth boundary of the estimation volume, due to the concentrations (no. m–3) here being ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 219–245 : Author(s): A. Atkinson, S. Nicol, S. Kawaguchi, E. Pakhomov, L. Quetin, R. Ross, S. Hill, C. Reiss, V. Siegel, G. Tarling (submitted to the 2008 Joint CCAMLR-IWC Workshop)

2. A stock assessment model of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea Region incorporating multi-year mark-recapture data

   survey series that started in 2012 will provide a useful signal indicative of recruitment fluctuations ... as the time series develops, a signal which is not present in the fishery-dependent data. File:  07 Mormede et ... suggested that a sub-adult survey series that started in 2012 will provide a useful signal indicative ... of recruitment fluctuations as the time series develops, a signal which is not present in the fishery-dependent ... regarding cryptic biomass of older fish. Results also suggested that a sub-adult survey series that started ... in 2012 will provide a useful signal indicative of recruitment fluctuations as the time series develops ... practice for stocks where a time series of catch and age compo- sition is available. However, catch ... as indices of abundance (Harley et al., 2001), particularly in developing fisheries with short time series ...

   Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 39–62 : Author(s): Mormede, S., A. Dunn and S.M. Hanchet

3. Some thoughts on precautionary measures for the krill fishery

   is conducted at a level which can be sustained over the long term. Underpinning such measures is a series ... in recruitment and predator food demand (SC-CAMLR, 1994). In this form the model has been used to provide ... energy budgets. The krill yield model in this form has been used to provide advice ... , i.e. the krill flux, and this is a topic that forms the basis for continuing discussion and study ...

   Science Journal Paper : CCAMLR Science, Volume 3 (CCAMLR Science, Volume 3) : 1–11 : Author(s): Everson, I. and W.K. de la Mare

4. Quantifying movement behaviour of vessels in the Antarctic krill fishery

   clear. The study suggests the movement trends for Japanese vessels could form the basis for describing ... clear. The study suggests the movement trends for Japanese vessels could form the basis for describing ... suggests the movement trends for Japanese vessels could form the basis for describing a generalised ... , assuming 60 n miles for one degree latitude and 30 n miles for one degree longi- tude. The range of area ... considered in this paper was between 50°S–70°S and 70°W–30°W. Catch rates (Cn/tn) were calculated as tonnes ... pairs (which are 10, 50, 100, 200 and 300 hauls apart) that had been made within a 30 n mile radius ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 131–148 : Author(s): Kawaguchi, S. and S.G. Candy

5. Comparison of age readings from scales and otoliths of the Patagonian toothfish (Dissostichus eleginoides) from South Georgia

   . 2 013.60 2 981.05 3 579.58 4 104.30 4 565.27 5 120.28 5 655.08 6 002.62 6 325.08 6 707.18 ... 640.58 10 317.30 10 461.83 9 326.20 Scales and otoliths from the same individual of D. eleginoides ... in this study, it is assumed that the rings are formed annually as concluded by North (1988), i.e ... ) and h (t,0) = 0, then equation 3 takes the form In equation 4 A is replaced with its estimate. Having obtained 'a' from ... Bertalanffy equation estimated from 1 000 data records are: L t = 207.01 cm [1- e- 0.0748{t + 0.2898}]; where ... L oo = 207.01 cm, K = +0.0748 and  t o =-0.2898. The maximum age of D. eleginoides was found to be ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 191–203 : Author(s): Cassia, M.C

6. Towards an initial operational management procedure for the krill fishery in Subareas 48.1, 48.2 and 48.3

   to that set out in the paper. Suggestions by others for alternative forms and parameter values ... to that set out in the paper. Suggestions by others for alternative forms and parameter values ... in a similar fashion to that set out in the paper. Suggestions by others for alternative forms and parameter ... pour d'autres formes et valeurs des parametres (ou leurs variations probables) pour le modele ... BbIJlOBa, BepOSITHO, Haxo.z:.SITCSI B .z:.Hana30He (Cc=1 MHJlJlHOH TOHH; cr=15%) H (Cc=2 MHJlJlHOHa TOHH ... aJlbTepHaTHBHblM cpopMaM H napaMeTpaM (HJlH HX B03MO>KHbIM .z:.Hana30HaM) pa6ollei:t Mo.z:.eJlH .z:.HHaMHKH ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 189–219 : Author(s): Butterworth, D.S.

7. Analysis of the diet of Champsocephalus gunnari at South Georgia in late summer from 1994 to 1997, Dr Eduardo L. Holmberg surveys

   a una serie de factores que actuan en forma simultanea. La variation de la dieta en funcion de la talla ... (41%) Number of Stations Sampled Processed 7 7 54 37 6 5 43 32 7 6 30 27 7 7 3 6 31 ... surveys, stomachs were frozen at -30°C and later examined at the Instituto Antiirtico Argentino ... , 1995). In 1996 and 1997 fish between 16 and 20 cm predominated; in 1997 a peak between 25 and 30 cm ...

   Science Journal Paper : CCAMLR Science, Volume 5 (CCAMLR Science, Volume 5) : 103–123 : Author(s): Barrera-Oro, E., R. Casaux and E. Marschoff

8. Possible effects of different levels of krill fishing on predators – some initial modelling attempts

   attempts make use of the functional forms, illustrated in Figure 2, for the relationship Butterworth ... also play some role. As is evident from the form of equation (3), S, incorporates pregnancy rate ... all p < 0.5) S, (K) = SY/al (because all q > 0.5) Since sensibly (given the form of equation ... arbitrarily, as indicated by the figures in parenthesis in Table 2. The corresponding entries in parentheses ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 79–97 : Author(s): Butterworth, D.S. and R.B. Thomson

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

   C O ~ J ~ ~ H ~ H H ~ I M OpOneBCTBOM B 1993194 r. npeAJIo~eHb1 YpaBHeHHX PerpeCCllll An% OQeHKll rOpll30HTaJIbHOAO PaCKPbITRSI ... , IIOnyYeHHbIMH C nOMoqbm RCnOJIb30BaHHOrO B IIpoluJIoM YpaBHeHHR. BbITe~a~owee OTCIoAa PaCXoXAeHlle B OqeHKaX ... The swept-area method of assessing the standing stock of demersal fish species requires a series ... the first three stations (17, 20 and 21) were logged every 30 seconds and the fourth (22) every 20 seconds ...

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

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

    of the Kerguelen Plateau located in the southern Indian Ocean on the border of Divisions 58.4.1 and 58.4.3 ... was between 670 and 1 540 m. The average tow speed was 3 knots and standard haul duration was 30 minutes ... . In: Wise, S.W.J., R. Schlich et al. Proc. ODP, Sci. Results, 120: 5-30. College Station, Tx. (Ocean ...

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

Pages