Результаты поиска

1. The choice of procedure for deciding when to close fisheries regulated by CCAMLR: a simulation model

   further the performance of various methods of arriving at a closure decision and to develop methods with ... , modelled by a sine function overlaid with a variance that is proportional to catch rate where (l is the ... Type IT catch is given in Figure 2 and can be compared with the catch history of the D. eleginoides ... over-shoot and its standard deviation increased with increasing catch rate. However, Model 1 showed ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 81–97 : Автор(ы): Agnew, D.J.

2. Modelling variability and estimating power to detect change in Adélie penguin fledgling weights

   performance via an effect on first-year survival over the winter period at sea, with lighter chicks less ... ) a linear trend in weight with date of measurement within each year may exist, (iv) the relation ... was assumed that the Si, si and eij terms are independent and are normally distributed with mean 0 ... combination, with the estimated long-term trend line superimposed. The variation in mean fledgling weight ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 191–200 : Автор(ы): Emmerson, L.M., C. Southwell and J. Clarke

3. Evaluation of the results of trawl selectivity experiments by Poland, Spain and USSR in 1978/79, 1981/82 and 1986/87

   Spanish (1986/87) selectivity experiments were conducted with 3.1 and 3.0 mm twine respectively. The ... presented relationship should be taken with care. Thirty minute hauls in the Spanish experiment gave ... single hauls with high catches did not result in the reduction of selection parameters of fish sampled ... difficult. Analysis of its effect on selectivity was limited to hauls with comparable catch rates. In ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 163–196 : Автор(ы): Slosarczyk, W., E. Balguerias, K. Shust and S. Iglesias

4. Size and density of krill layers fished by a Japanese trawler in the waters north of Livingston Island in January 1988

   information on the layers fished by a Japanese trawler during the co-operative survey with RV Kaiyo Maru on ... layer length ranged from 241 m to 6.0 km with a mean of 3.25 km (N=38, SO=1.66 km) (Figure 3a). The ... intersected length of six swarms encountered in a tow ranged from 37 to 370 m with a mean of 135.8 m (SO ... =122.5 m). The mean thickness of the layer(s) of each tow ranged from 6.1 to 22.8 m with the overall ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 339–345 : Автор(ы): Endo, Y. and Y. Shimadzu

5. The 1991/92 fishery for Dissostichus eleginoides in Subarea 48.3

   Dissostichus eleginoides opened on 4 November 1992 with a TAC of 3 500 tonnes, and was closed on 10 March 1992 ... I - hooks with parallel sides and in a single plane ("parallel, flat") [Mustad sizes 3 and 5; width ... -CAMLR, 1992b). With the exception of vessel (e) (Table 2), the hooks used in the Russian fishery were ... most movement between areas, with the Russian and Bulgarian fleets remaining to the north and close ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 31–48 : Автор(ы): Agnew, D.J. and C.A. Moreno

6. Estimating confidence intervals for fish stock abundance estimates from trawl surveys

   -statistics, as a basis for confidence interval estimation, to species with patchy distributions, such as ... distribution with one degree of freedom, at the a probability level. An asymptotic confidence interval for ... maximising the log-likelihood over k - 1 of the stratum biomasses, with the remaining value fixed as ... maximising the log-likelihood function for close to the nominal percentage of coverage, with each trial ...

   Science Journal Paper : CCAMLR Science, Volume 1 (CCAMLR Science, Volume 1) : 203–207 : Автор(ы): de la Mare, W.K

7. Estimates of fish stock biomass around South Georgia in January/February 1985

   distributed over the whole shelf area with some larger concentrations in the southeast (fig. 5).The length ... composition (fig.6) indicates that with the exception of the early juve- - 6 - niles (age class O and 1 ... aceratus Chaenocephalus acera tus was more or l ess evenly distributed over the s he l f with some ... distribu ted with catches rarely exceeding 50 kg/30 min. Juveniles of 30-70 cm pred ominated in the ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/2 (Selected Scientific Papers, SC-CAMLR-SSP/2) : 1-32 : Автор(ы): Kock, K.-H.

8. Erratum and Addendum - Modelling catch and effort data using generalised linear models, the Tweedie distribution, random vessel effects and random stratum-by-year effects – CCAMLR Science, 11: 59–80 (2004)

   appropriately deal with zero values of y by only excluding con- tributions of loge ijV y to the EQD when 0ijy ... ) using λ = 1.4 were very close to those given in Candy (2004) with the revised Figure 8 ... -deviance for lambda parameter in the Tweedie GLMM with log link. the simulation than equation (7) given in ... , R. 1991. Estimation in generalized linear models with random effects. Biometrika, 78 (4): 719–727 ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 221–222 : Автор(ы): Candy, S.G

9. Growth and age/length structure of populations of Notothenia (Lepidonotothen) squamifrons (Nototheniidae) in various areas of the Indian sector of the Southern Ocean

   reading structure. Preparations of scales were analyzed with the help of microfiche reading equipment ... Kerguelen Islands) with 1 x20 magnification. Both permanent and temporary preparations were used with ... ratio. Data obtained from the Kerguelen Island area (1980 to 1986) correspond with those obtained ... , although with the fairly constant mean age of the population over the last two years, the proportion of ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 123–139 : Автор(ы): Zaitsev, A.K.

10. Diurnal variations in biological characteristics of krill, Euphausia superba Dana, to the west of the South Orkney Islands, 24 March to 18 June 1990 - based on data reported by a biologist-observer

    the southern and western periphery of the regions, whereas Stations IV and V with the smallest ... specimens were located inshore. However, areas of the last two stations coincided with the area of Station ... variations in total size composition of E. superba were mainly connected with variations in size composition ... that 50% level of sex ratio of E. superba for all samples from every station corresponded with ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 201–222 : Автор(ы): Vagin, A.V., R.R. Makarov and L.L. Menshenina

Страницы