Search results
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Target strength studies on Antarctic silverfish (Pleuragramma antarcticum) in the Ross Sea
, I. Leonori, I. Biagiotti, A. De Felice Istituto di Scienze Marine ISMAR-CNR Sezione Pesca Marittima ... , M. Bottaro and M. Vacchi ISPRA Università di Genova Genova, Italy Abstract Target strength (TS ... of their body and skeleton. The ossification of P. antarcticum begins in the early juvenile stages (size: 45 ... –48 mm; age: second year), coinciding with an increase in lipid content in the specific ventral sacs ... -larvae of P. antarcticum with a total length from 13 to 70 mm, were conducted in the southeast of the ... both ex situ and in situ with a mean difference <1.5 dB, although the differences between the ... ), some sizes of P. antarcticum could be confused acoustically with E. crystallorophias, but not with E ...
Science Journal Paper : CCAMLR Science, Volume 17 (CCAMLR Science, Volume 17) : 75–104 : Author(s): Azzali, M., I. Leonori, I. Biagiotti, A. De Felice, M. Angiolillo, M. Bottaro and M. Vacchi
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Monitoring Antarctic toothfish (D. mawsoni) recruitment in the southern Ross Sea
was started in 2012. The first year established the feasibility of carrying out a random stratified longline ... surveys have been conducted at a similar time of the year. The surveys caught mainly 70–110 cm total ... length, 5–10 year old, Antarctic toothfish. The results suggest a decline in toothfish abundance from ... show the appearance of a strong year class in 2012 which progressed through each year to 2017 ...
Meeting Document : WG-FSA-17/57 : Author(s): S.M. Hanchet, S. Mormede, S. Parker, K. Large, A. Dunn and B. Sharp
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Interannual variability of krill, salp and other zooplankton populations in the South Shetland Island area during Austral summer 1993–1998
recruitment from the past two years. Unusually small juvenile krill in 1998 suggested that survival success ... the 1993 "salp year". The magnitude of this salp bloom may have resulted from a large ... regimes identified here as "cope pod years", "salp years" and "transition periods ... ". The 4-5 year periodicity of "salp years" over the past fifteen years is discussed ...
Meeting Document : WG-EMM-98/50 : Author(s): V. Loeb, W. Armstrong, R. Hewitt (USA) and V. Siegel (Germany)
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An integrated stock assessment for the Patagonian toothfish (Dissostichus eleginoides) in Division 58.5.2 using CASAL
Abstract: This paper follows preliminary work in 2005 and early 2006 in developing an integrated ... This paper follows preliminary work in 2005 and early 2006 in developing an integrated assessment ...
Meeting Document : WG-FSA-06/64 : Author(s): A. Constable, S. Candy, T. Lamb and I. Ball (Australia)
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Observer notes (Subarea 88.1)
cannot lead to their intbreeding as its gonads were at the early development stages in that period ... to their intbreeding as its gonads were at the early development stages in that period. Antarctic toothfish spawning ...
Meeting Document : WG-FSA-04/89 : Author(s): V.G. Prutko (Ukraine)
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REVISED AGE AND GROWTH ESTIMATES FOR ANTARCTIC STARRY SKATE, AMBLYRAJA GEORGIANA, FROM THE ROSS SEA
that these skates initially grow very rapidly for about five years, after which growth almost ceases (Francis ... ages at maturity (about 20 years compared with 6–11 years) and greater maximum ages (28–37 years ... compared with 14 years). Several pieces of circumstantial evidence support the new interpretation ... that these skates initially grow very rapidly for about five years, after which growth almost ceases (Francis ...
Meeting Document : WG-FSA-08/21 : Author(s): M.P. Francis (New Zealand) and M.J. Gallagher (Ireland)
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Climate change and zooplankton dominance in the Antarctic marine ecosystem: implications for the food web
has been warming over the past 40 years with an associated decreased frequency of winters ... ) and population dynamics of salps (Salpa thompsoni). Strong krill recruitment success there follows years ... years suggests that the food web may be affected by climate change. The 1994/95 austral summer season ... followed the first prolonged winter sea-ice season in three years and provides a strong contrast ...
Meeting Document : WG-EMM-96/21 : Author(s): Siegel, V., Fraser, W., Trivelpiece, S., Holm-Hansen, O., Loeb, V., Hewitt, R., Trivelpiece, W.
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Conservation Measure Conservation Measure 227/XX (2001)
shall be reported to CCAMLR not later than three months after the closure of the fishery, but, where ... no later than one month before the start of the fishery. If, for whatever reason, Members are unable ... to participate in the fishery, they shall inform the Secretariat no later than one week after finding ... ) number and species of fish lost at surface; (iv) number of hooks set; 3 (v) bait type; (vi ...
Conservation Measure : 227/XX (2001)
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Fishery Report 2015: Champsocephalus gunnari Heard Island (Division 58.5.2)
to this report is shaded. Throughout this report the CCAMLR fishing season is represented by the year in which ... and a maximum age of 6 years. Size at first maturity for females is 26.5 cm and for males is 28.5 cm total ... dominant age/size cohort progressing through the population over consecutive years. 2 Table ... ) Reported catch (tonnes) 1972 - - 5860 1974 - - 7525 1975 - - 9710 1977 - - 15201 1978 - - 5166 1990 ...
Document : Site Section: Publications
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Day 4 - Session 2 - Fisheries Trade Data Analysis - Markus Bürgener
Agencies Fish Catches Country A Export of fish products Country A Border Import of fish products ... Country B What data do we need for fisheries trade data analysis? 2 separate documents ... , countries wanting to track product trade more accurately can add further digits to create codes of eight ... or ten digits. • HS codes are updated every 5 years. Most recent changes came into effect in 2012 ...
Document : Site Section: Compliance