Résultats de la recherche

1. Fishery Report: Exploratory fishery for Dissostichus spp. in Subareas 88.1 and 88.2

   below 20% of its median pre-exploitation level over a 35-year harvesting period is 10% (depletion ... predicted future spawning stock biomass (SSB) was below 20% of B0 in any one year, for each year over a 35 ... dominant of the tag data series. Li ke lih oo d (- ln L) 40 60 80 100 120 0 10 20 30 40 50 a ... catch of 2 850 tonnes is shown in Figure 5. Year B io m as s ('0 00 t) 2000 2010 2020 2030 ...

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2. Seals: Trophic modelling of the Ross Sea

   ). The crabeater seal dives to 20–30 m typically at night (Shirihai 2002) although in winter, at 67oS ... crabeaters reach one year of age. Sexual maturity is reached in 2.5-6 years, with females reaching maturity ... 1985; Testa & Siniff 1987). Weddell seals in McMurdo Sound have been studied for over 30 years (e.g ... by the period of time over which the populations are present in the Ross Sea per year. Where not ...

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3. Fishery Report 2014: Exploratory fishery for Dissostichus spp. in Subareas 88.1 and 88.2

   discounting the first two years’ 20 data (which are likely to be unrepresentative because ... .......................................................................... 19 Recruitment surveys ................................................................. 20 Tag ... -recapture data ................................................................... 20 Parameter values ... ..................................................................... 20 Stock assessment status .................................................................... 20 ...

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4. Fishery Report 2013: Exploratory fishery for Dissostichus spp. in Subareas 88.1 and 88.2

   .......................................................................... 19  Recruitment surveys ................................................................. 20  Tag ... -recapture data ................................................................... 20  Parameter values ... ..................................................................... 20  Stock assessment status .................................................................... 21 ...   Current management advice and conservation measures ................................ 30  References ...

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5. Scientific Abstracts 1992

   entanglement during the pup-rearing period was slightly higher than in the previous year (48 compared to 30 ... function of the fraction of the biomass estimate which is set as the catch for a 20-year period. Three ... population sizes from the literature are used to show that for some years, at distances of between 20 and 60 ... considerable increase in the stock size in 1990 was due to a good recruitment from 1986 and 1987 year-classes ...

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6. Fishery Report 2017: Exploratory fishery for Dissostichus mawsoni in Subarea 88.1

   ) 429 (12) 546 (8) 388 (12) 298 (22) 311 (20) 230 (18) 359 (30) Yanque 46 (7) UK ... Argos Froyanes 158 (4) 332 (28) 38 (1) 183 (23) 220 (25) 239 (30) 70 (4) 230 (20) Argos ... years of age and can live to at least 27 years, whereas M. caml reaches full size at about 15–20 years ... year in which that season ended, e.g. 2015 represents the 2014/15 CCAMLR fishing season (from 1 ...

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7. Scientific Abstracts 2008

   with previous censuses over a 20-year period (1987, 1992, 1994 and 1996) indicates the rate of ... . Neonate mortality up to 30 days after the median date of pupping was estimated for the years 1997–2007 at ... a dynamic comparison with the situation as regards regulations in the previous year. These ... the Antarctic Peninsula and in the western Weddell Sea (90°–30°W, 60°–80°S). J. Forcada and P.N ...

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8. Scientific Abstracts 2006

   Kingdom), 20 pp. (English, unpublished). During the 15th year of standardised beach surveys of man-made ... representative, scientific and vulnerable areas. CCAMLR-XXV/BG/30 Achieving a network of marine protected ... remained relatively stable with 4.1 kg collected this year, whilst 5.4 kg was gathered in 2003/04. For ... the second consecutive year, nylon line has been absent from the shores of Bird Island, having once ...

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9. Scientific Abstracts 2001

   from recent years, with 20 entanglements reported over winter and 22 during the summer breeding ... * 1 000 m-3, which is among the highest values for the past 20 years. The high krill abundance and ... explain the 5-year lag as 5 years is the average age of recruitment to the summer breeding population ... year of standardised beach surveys of man-made debris at Bird Island, South Georgia, a total of 408 ...

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10. Scientific Abstracts 2000

    (English). Finfishing in the Southern Ocean began more than 30 years ago at South Georgia and the ... temperature, while in other years (1980, 1981) it was negative. The second year type (1979, 1984, 1987) was ... wearing neck collars of man-made debris. One ad- ditional sighting was of an animal that had been ... juvenile males, the main component of the population in this area at this time of year. The number of ...

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