Résultats de la recherche
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Krill population dynamics in the Scotia Sea: variability in growth and mortality within a single population
17 rates are consistent with published values and with other Euphausiids species. Having accounted ... for the demographic plasticity, it 18 is apparent that strong recruitment of the smallest size class ... of krill is represented in both populations simultaneously. It appears 19 that first-year krill are ... determined 20 by regional differences in growth and mortality. The majority of the commercial harvest of ...
Meeting Document : WG-EMM-02/16 : Auteur(s): K. Reid, E.J. Murphy (United Kingdom), V. Loeb and R.P. Hewitt (USA)
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SUMMER SURVEY OF FUR SEALS AT PRINCE EDWARD ISLAND, SOUTHERN INDIAN OCEAN
11.4% per year from 2001. With an estimated 810 pups, the Antarctic fur seal is still in the rapid ... intrinsic rate of natural increase has declined to –0.3% per year over the last seven years, compared to the ... gazella and Subantarctic fur seals A. tropicalis were determined at Prince Edward Island during 16–20 ... 9.3% per year between 1987/1988 and 2001/2002, and the population is in the mature phase of population ...
Meeting Document : WG-EMM-10/P15 : Auteur(s): M.N. Bester, P.G. Ryan and J. Visagie
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CCAMLR Statistical Bulletin, Vol. 23 (2001–2010)
Description / Abstract: The Statistical Bulletin is published annually by the Commission for the ... this volume, the hardcopy version summarises data submitted over the most recent 10-year period (2001 ... Convention Area; Landing and trade data reported under the Catch Documentation Scheme (CDS) for Dissostichus ... December of one year to 30 November of the following year). The abbreviated notation for CCAMLR seasons ... ) Introduction to Volume 23 The Statistical Bulletin is published annually by the Commission for the ... landing and export data for 2000 are incomplete. Landed weights for the most recent year, and export and ... re-export weights for the two most recent years, may also be incomplete. These statistics will be ...
Document : Site Section: Publications
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Course of fisheries in the Lena Bank area (Division 58.4.4) in the season of 1990-91
significant changes. The mean fish age made 7.0 years. Interannual fluctuations in size-age composition of ... it is necessary to update the relevant documents. The size-age composition of catches did not suffer ...
Meeting Document : WG-FSA-94/07 : Auteur(s): A.K. Zaitsev (Ukraine)
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Volume 21: CCAMLR. 2009. Statistical Bulletin, Vol. 21 (1999–2008). CCAMLR, Hobart, Australia.
December of one year to 30 November of the following year). The abbreviated notation for CCAMLR seasons ... ) Introduction to Volume 21 The Statistical Bulletin is published annually by the Commission for the ... landing and export data for 2000 are incomplete. Landed weights for the most recent year, and export and ... re-export weights for the two most recent years, may also be incomplete. These statistics will be ...
Document : Site Section: Publications
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Areas of seabed within selected depth ranges in CCAMLR Subarea 48.3, South Georgia
30 34 0.0 0.0 209.5 3257.7 464 Table 3: Summary of areas of seabed for Shag Rocks, South ... Georgia and the whole of Subarea 48.3. An asterisk (*) indicates that there are no reported soundings for ... WG-FSA-90/8 AREAS OF SEABED WITHIN SELECTED DEPTH ... . This paper contains such data for the South Georgia area, CCAMLR Subarea 48.3 and supersedes that ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/7 (Selected Scientific Papers, SC-CAMLR-SSP/7) : 459–466 : Auteur(s): Everson, I. and S. Campbell
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Fishery Report 2014: Dissostichus eleginoides Crozet Island French EEZ (Subarea 58.6)
and peaked the following year at an estimated 11 760 tonnes. 10. Estimates of IUU catch in Subarea ... , weight, sex and maturity stage, as well as collection of otoliths for age determination of the target ... rate and natural mortality, would be valid for the stock in Subarea 58.6. Age-specific data from ... (WG-FSA-13/05). 20. WG-FSA-14/36 Rev. 1 presented the results of an updated stock assessment of D ...
Document : Site Section: Publications
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Observations of fishing operations on a krill trawler and distributional behaviour of krill off Wilkes Land during the 1985/86 season
a good index to measure abundance of a concentration. Comparison of such an index across time and ... NO.487 n-297 No.488 n-300 No.489 n=314 No.490 n=309 No.491 n=303 20 30 40 50 ... Feb. n=4696 Area H2 Early Mar. n=5319 Area H2 20 30 40 50 Body length (mm) 60 Fig. 9 ... off Africa. In recent years, the through-year activity of the trawlers has come to be incorporated ... for the Past Four Years Around area H2, tnere have been good yielding areas for the past four ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 335-368 : Auteur(s): Ichii, T.
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A survey of fish stocks in the Heard Island and McDonald Islands region in the 1999/2000 season and a comparison of the abundances of selected species with those obtained in previous surveys
, varying by a factor of 2-3 between years, but C. gunnari abundance can vary by a factor of about 20 ... between years. This is the result of occasional strong year classes entering the fishery and dominating ... the population for about 2 years before disappearing, as has been documented in other locations ... principal bycatch species Lepidonotothen squamifrons and Channichthys rhinoceratus are given for each ...
Meeting Document : WG-FSA-00/40 : Auteur(s): R. Williams, A. Constable, T. Lamb and E. van Wijk (Australia)
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Growth and Natural Mortality of Yellowfin Notothenia Patagonotothen guntheri shagensis from Shag Rocks Shelf
Abstract: Regularities of growth are established from the data of age determinations and analysis ... six various methods ranged from 0.63 to 1.06. With mean value of M, age and length at optimum ... exploitation were 2.5 years and 12.5 cm, respectively. Author(s): V.I. Shlibanov (USSR) Title: Growth and ...
Meeting Document : WG-FSA-89/18 : Auteur(s): V.I. Shlibanov (USSR)