Результаты поиска

1. Age and growth of the Antarctic skate (Amblyraja georgiana) in the Ross Sea

   . SHORT NOTE Francis and Ó Maolagáin 184 Introduction Skates are a major by-catch of the toothfi sh ... seems that food avail- ability and reproduction may limit the growth of Antarctic fi shes more than ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 183–194 : Автор(ы): Francis, M.P. and C. Ó Maolagáin

2. New data on spawning, hatching and growth of Champsocephalus gunnari on the shelf of the Kerguelen Islands

   from the situation around South Georgia but seems to be comparable to the catch history around the ... mid 1991, until they reached a mean size of 24/25 cm TL. All the fish below this limit were still in ...

   Science Journal Paper : CCAMLR Science, Volume 2 (CCAMLR Science, Volume 2) : 21–34 : Автор(ы): Duhamel, G

3. Significant intra-annual variability in krill distribution and abundance at South Georgia revealed by multiple acoustic surveys during 2000/01

   exceptionally low. The upper 95% confi dence limit of the mean krill density for this survey was only 8.0 g m ... -2. Brierley et al. (1999) suggested that if this upper 95% confi dence limit fell below about 15 ... the upper 95% confi dence limit above 55 g m-2. Clearly the mid-season survey does not suggest ...

   Science Journal Paper : CCAMLR Science, Volume 9 (CCAMLR Science, Volume 9) : 71–82 : Автор(ы): Brierley, A.S., C. Goss, S.A. Grant, J.L. Watkins, K. Reid, M. Belchier, I. Everson, M.J. Jessop, V. Afanasyev and J. Robst

4. Status of krill target strength

   precisely known. All data lie in the range 0.3 ~ ka ~ 3 that includes the upper limit of the Rayleigh ... scattering region (ka « 1) and lower limit of the geometric scattering region (ka ~ 1). These ka values are ... except for two of the taxa and we will limit our summary of their results to the crustaceans. The ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/9 (Selected Scientific Papers, SC-CAMLR-SSP/9) : 101–126 : Автор(ы): Foote, K.G., D. Chu and T.K. Stanton

5. Prey monitoring surveys: a discussion of the characteristics necessary in prey surveys

   Radial transect survey design. The outer limit of each transect would be 100 km from the study colony ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 377-391 : Автор(ы): Everson, I.

6. Characteristics of krill swarms from Prydz Bay

   by the pre-integrations into 25 m depth intervals which results in the artificial lower limit of ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/8 (Selected Scientific Papers, SC-CAMLR-SSP/8) : 177–189 : Автор(ы): Agnew, D.J. and I.R. Higginbottom

7. Results of fish stock assessment survey, South Georgia, December 1987 - January 1988

   fishery was supported mostly by the catch of Notothenia rossii, which yielded hundreds of thousands of ... Commission has also recommended minimization of by-catch of N. rossii in other fisheries. In an effort to ... aceratus) accounted for over 86% of the catch (by weight) in the 1987/88 survey. The status of each of ... the tows around South Georgia and 100% of the Shag Rocks tows. It accounted for 33.5% of the catch by ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II (Selected Scientific Papers, SC-CAMLR-SSP/5 – Part II) : 19-52 : Автор(ы): McKenna, Jr., J.E. and S.B. Saila

8. Analysis and modelling of the Soviet Southern Ocean krill fleet, II: Estimating the number of concentrations and analytical justification for search data

   , catch, trawling time); coefficients of variation range between 50% and 100%. The distributional model ... the start of trawling; (iii) time of end of trawling; and (i v) krill catch. Each combination of ... location, start and end times and catch is called a record. From these, we can compute the time between ... instances in which very long trawl times are reported in concentrations for which the catch is very small ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 283–322 : Автор(ы): Mangel, M.

9. Estimating unaccounted fishing mortality in the Ross Sea region and Amundsen Sea (CCAMLR Subareas 88.1 and 88.2) bottom longline fisheries targeting Antarctic toothfish

   mortality associated with landed and discarded catch is routinely monitored, the mortality resulting from ... fishing gear is known to have a variety of impacts on marine ecosystems, including the con- tinued catch ... of target and by-catch species, impacts to benthic habitats, the introduction of synthetic ... CCAMLR C2 (longline gear catch and effort database) report- ing form was modified for the 2008 fishing ...

   Science Journal Paper : CCAMLR Science, Volume 19 (CCAMLR Science, Volume 19) : 17–30 : Автор(ы): Webber, D.N. and S.J. Parker

10. Measurements of differences in the target strength of Antarctic krill (Euphausia superba) swarms at 38 kHz and 120 kHz

    factor and in the TVG correction, gives an upper limit of only 1.5 dB for error in each system and a ...

    Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 75–86 : Автор(ы): Hampton, I.

Страницы