Résultats de la recherche

1. UK: 48.4 Assessment Summary

   detection_probability 1 years 2017 step 2 proportion_mortality 1.0 plus_group True class_mins 30 40 50 60 70 80 90 ... externally using a length dependent relationship: Length class (cm) 30, 40 50 60 70 80 90 100 ... deterministic sex both year 2016 step 2 mature_only False number 159 plus_group False class_mins 20 30 40 50 60 ... raised to an age distribution using a year-specific age length relationship. Model representation ...

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2. Dissostichus eleginoides ZEE des îles du Prince Édouard (sous-zone 58.7 et une partie de 58.6)

   de pêche s'étend du 1er décembre au 30 novembre. Saison de pêche Total des captures déclarées ... VBGF L∞ 194.6 cm Longueur/poids ‘a’ 2.5E-05 cm, kg Longueur/poids ‘b’ 2.8 Age à la maturité tm 10 ...

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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 ... between the two surveys and some indication of year class progression was apparent in the age ... 194 (18) 97 (18) Seljevaer 9 (1) 30 (0) Russia Chio Maru No. 3 90 (2) 101 ... for every year. The numbers of otoliths aged in Subarea 88.2 (mainly from SSRU 882H) have been ...

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

   similar between the two surveys and some indication of year class progression was apparent in the age ... fishing in 2007, 80 tonnes in 2012, and 49 tonnes in 2013. In 88.2, the catch limit includes 20 tonnes ... 60%, with most achieving more than 80% and some more than 90% in 2013 (Tables 2 and 3) with the ... consequently not available for every year. The numbers of otoliths aged in Subarea 88.2 (mainly from SSRU 882H ...

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5. Whales: Trophic modelling of the Ross Sea

   ) details two reported sightings of orca within winter pack ice in the Antarctic, both in August. On one ... . 1990) the maximum longevity of wild orca is likely to be 50–60 y (males) and 80–90 y (females), and ... Southern Hemisphere, south of 30°S (SeaMap 2005). They apparently migrate, and are found in Antarctic ... ) estimated the population of southern bottlenose whales south of 60°S from two sets of surveys to be nearer ...

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6. Scientific Abstracts 1992

   written permission of the author(s). Addresses of principal authors are given for this purpose. ... errors and variability on the accuracy of acoustic biomass estimation. and 90% within 80 km in all years ... 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 ... the 1988/89 and 1989/90 year-classes. Year-class success may be related to the abundance of large ...

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7. Seals: Trophic modelling of the Ross Sea

   crabeaters reach one year of age. Sexual maturity is reached in 2.5-6 years, with females reaching maturity ... September–October. Mortality is high in the first year and may reach 80%. Much of this mortality is ... ). The crabeater seal dives to 20–30 m typically at night (Shirihai 2002) although in winter, at 67oS ... breed each year, one young per pair per year, and a pup survival rate to adulthood of 0.2. This leads ...

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8. Scientific Abstracts 2001

   ). Unpublished papers must not be cited without written permission of the author(s). Addresses of principal ... the south where a large proportion of small size classes, i.e. one-year-old juvenile krill, was ... explain the 5-year lag as 5 years is the average age of recruitment to the summer breeding population ... 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 ...

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9. SC-CAMLR-SSP/9

   ); and • fishing mortality is separable by age (Doubleday, 1976). Catch-at-age for all recruited year ... parameters presented in Table 1. Catch data were available for two years (1991 and 1992), which could be ... that age distribution derived from the model is not significantly different from the one obtained by ... have developed in the past and for which no information has been received for at least the last two ...

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10. Fishery Report 2017: Exploratory fishery for Dissostichus mawsoni in Subarea 88.2

    the northern area for only one or two years based on tagging data (WG-SAM-14/27). As fishing effort ... are thought to comprise a single stock and are currently managed with two catch limits: one for ... developed for the southern area and agreed to a two-year research plan in SSRUs 882C–H (for the 2015 and ... ) 30 (0) Russia Chio Maru No. 3 90 (2) 101 (1) Gold Gate 44 (16) Palmer ...

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