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

   toneladas. La distribucion de M . carinatus en el banco parece ser uniforme. Keywords: by-catch, trawl ... . INTRODUCTION Fish of the family Macrouridae (rat tails and grenadiers) have become common by-catch species ... % of the total catch in these fisheries (SC-CAMLR, 1998). Similarly, Duhamel et al. (1997) found that ... scarcity of data on the population abundance of Macrourus spp. it is unclear whether these catch rates ...

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

2. Distribution characteristics of krill aggregations in the fishing ground off Coronation Island in the 1989/90 season

   for the type 74/416 are given in Table 1. CPUE (Catch-per-unit-effort) was assessed as catch per ... standard. A well-grounded estimate of mean catch per hour of trawling, Q/hr, (Ivanova, 1988; Smith, 1980 ... QI = catch in haul i; T tp.1 = duration of haul i ; n = number of hauls over the study period ... . Relative error of mean catch per hour of trawling is ; (iilQlhr) = ± le (aQ + at] 1ft - - ~ Il\ where ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 49–73 : Автор(ы): Kasatkina, S.M. and V.I. Latogursky

3. 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

   sh- ing, assuming that the length-bin frequencies of catch-at-age are multinomially distributed ... –age frequency data in the complete catch rather than just the aged random subsample. The diffi culty ...

   Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 43–66 : Автор(ы): Candy, S.G., A.J. Constable, T. Lamb and R. Williams

4. Seabird mortality in the Patagonian toothfish longline fishery around Crozet and Kerguelen Islands, 2001–2003

   offal) in an attempt to reduce the incidental by-catch of sea- birds. In spite of these measures and ... , to reduce the incidental catch of seabirds (Tuck et al., 2003). The Kerguelen and Crozet Islands ... recommendations for the reduction of the inciden- tal catch of seabirds in these areas. Materials and methods ... seabirds caught in the absence of an observer, resulting in an under- estimate of the by-catch rate (Gales ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 53–80 : Автор(ы): Delord, K., N. Gasco, H. Weimerskirch, C. Barbraud and T. Micol

5. Simulation of recovery rates of fish stocks in the South Georgia and Kerguelen Islands areas

   fishing to limiting catch to the 85-86 season level. None of the options proved acceptable. This paper ... presents projections of the stocks and catch over the next 20 years for the major species of concern at ... recruitment and structure, stock size and yield for the next year are calculated using the Murphy catch ... . Simulation Model The simulation model calculates, using the Murphy catch equation, a time-series of catch ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 229-298 : Автор(ы): Hennemuth, R.C., K.D. Bisack and G. Duhamel

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

   will improve with better knowledge of trawl catch ability and krill distribution patterns. A ... , specific biomass (density) of krill in the catch is expressed in g/m2 or g/m3 at the point of trawling ... - area and volume fished by the trawl over a standard hauling period; mq - mean catch per standard ... - relative error in estimate of mean catch per standard hauling period T; - relative error in estimate of ...

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

7. CPUEs, body length and greenness of Antarctic krill during 1987/88 season in the fishing ground north of Livingston Island

   kinds of CPUEs, catch/tow and catch/towing time (minute), were computed from the data recorded on log ... difference in both catch/tow and catch/towing time among 10-day periods from early January to late March for ... ). Catch/tow values showed little change during the fishing season. Trawlers which mainly produce peeled ... krill tended to show larger catch/tow values. Catch/towing time values, however, showed a somewhat ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 323–338 : Автор(ы): Endo, Y. and T. Ichii

8. Analysis of results from demersal fish surveys at South Georgia, undertaken by the United Kingdom and the USSR, January and February 1990

   the workshop and were loaded onto computer. These data included station lists and positions, catch ... following the haul. In the case of small catches, all the catch had been sorted. For large catches, greater ... than 2 tonnes, a sub-sample was taken for biological sampling while the remainder of the catch was ... from random sub-samples from the catch. Sex was not determined from fish used in the length frequency ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 223–254 : Автор(ы): (Report of a Joint UK/USSR Workshop, 23 to 27 July 1990)

9. Results of fish stock assessment survey, South Georgia region, November - December 1986

   Commission also recommended minimization of by-catch of N. rossii in other fisheries. 1 Colleagues Dr ... fjords (stratum 2) accounted for over 65% of the total biomass caught. Catch per tow (kg) and total ... obtained north and southeast of South Georgia (Figure 4), with the single largest catch (204.8 kg ... ) contributing 9% of total catch. Total biomass near South Georgia was estimated at approximately 13 500 mt ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 143-183 : Автор(ы): Gabriel, W.L.

10. On the instantaneous natural mortality rate of Champsocephalus gunnari, South Georgia (Subarea 48.3)

    that the instantaneous rate of mortality Z=M and where Nil = catch of age group a which is fully ... represented in the catch; and Ell = fishing effort. It is assumed that fishing effort for groups a and a +1 ... ' = mean age in the catch; M=_I_ t - t l = ftrst age group, fully represented in the catch, tic L(a ... +0.5)Na a=tl t =----- tic LNa a=t' tk = oldest age group in the catch. (iv) The Robson ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 313–326 : Автор(ы): Frolkina, G.A. and R.S. Dorovskikh

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