Search results
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Preliminary results of an age/length study of juvenile Notothenia rossii marmorata from Potter Cove, South Shetland Islands
as the birth date of the fish, which is discussed. The length-age range of the fish was 18-44 cm and 3-7 years ... as the birth date of the fish, which is discussed. The length-age range of the fish was 18-44 cm and 3-7 years ... Abstract: Whole otoliths and scales were used for a simultaneous age determination of juvenile ... of otolith cross sections of chosen specimens confirmed in all the cases the age readings obtained from ...
Meeting Document : WG-FSA-90/09 : Author(s): E. Barrera-Oro and R. Casaux (Argentina)
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Preliminary analysis of seabird by-catch in the South Georgia icefish fishery
that could explain the number of birds caught. Differences in the numbers caught in the last three years also ... suggest that there may be a year effect. We were unable, with the limited data available, to separate ... of birds caught. Differences in the numbers caught in the last three years also suggest that there may ... be a year effect. We were unable, with the limited data available, to separate these various hypotheses ...
Meeting Document : WG-FSA-01/30 : Author(s): D.J. Agnew, N. Ansell and J.P. Croxall (United Kingdom)
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ANALYSIS OF ROSS SEA TAGGING AND RECAPTURE RATES
year and recapture year for tags released and recaptured in the same SSRUs on the slope of 88.1 ... was compiled for the years 2003-2006. Recapture rate was expressed as tags captured/tags released/fish scanned ... (caught), all in numbers. 2. The overall size of the dataset was 734 combinations of release year ... , recapture year, SSRU, release nation and recapture nation, with 193 recaptures. Despite this size, fishing ...
Meeting Document : WG-SAM-08/07 : Author(s): D.J. Agnew (UK)
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ANTARCTIC PENINSULA DECADAL WINTER TEMPERATURE ANOMALIES AND ANTARCTIC KRILL VARIABILITY IN THE SOUTH ATLANTIC REGION: PRELIMINARY RESULTS
the oscillations with 3-8 year periods and a decadal oscillation with a period of about 16 years. Preliminary ... analysis of Antarctic krill density variations shows about 8-year variability as well. Correlation ... significantly to 0.4 when applying 1-year data shift (krill density after anomalies occurrence). The 3-8 year ... the oscillations with 3-8 year periods and a decadal oscillation with a period of about 16 years. Preliminary ...
Meeting Document : WG-EMM-11/41 : Author(s): G.P. Milinevsky, A.V. Grytsai and L.K. Pshenichnov (Ukraine)
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Beach debris survey – Main Bay, Bird Island, South Georgia, 2005/06
Abstract: During the sixteenth year of standardised beach surveys of man-made debris at Bird ... and 101% more during summer, a mass increase of 1.19kg overall (29%). For the third consecutive year ... found, more than in any of the previous 9 years, suggesting that the ban on their use aboard fishing ... of multifilament (multi-strand) gillnet were found on the survey beach this year (mainly in winter) compared to 11 ...
Meeting Document : SC-CAMLR-XXVI/BG/16 : Author(s): Delegation of the United Kingdom
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Anthropogenic feather soiling, marine debris and fishing gear associated with seabirds at Bird Island, South Georgia, 1999/2000
associated with seabirds at Bird Island, South Georgia. In this, the seventh year of standardised recording ... gear remained within the levels of previous years for all other species, except black-browed albatross ... with seabirds at Bird Island, South Georgia. In this, the seventh year of standardised recording ... gear remained within the levels of previous years for all other species, except black-browed albatross ...
Meeting Document : SC-CAMLR-XIX/BG/04 : Author(s): Delegation of the United Kingdom
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The 2013 annual random stratified trawl survey to estimate the abundance of Dissostichus eleginoides and Champsocephalus gunnari in the waters of Heard Island (Division 58.5.2)
. The catch of invertebrates in the 2013 survey was 6 t, which was lower than the long term average. This year ... of individual invertebrate taxa were generally much lower than in previous years. Lengths and biological ... of invertebrates in the 2013 survey was 6 t, which was lower than the long term average. This year ... of individual invertebrate taxa were generally much lower than in previous years. Lengths and biological ...
Meeting Document : WG-FSA-13/21 : Author(s): G.B. Nowara, T.D. Lamb and D.C. Welsford (Australia)
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Preliminary results on the distribution and abundance of Antarctic krill (Euphausia superba) in the Weddell Sea, Southern Ocean
; where the first year (2014) of the study logged acoustic data during daytime only whilst surveys ... in later years (2015-2016) logged data all day long. Target sampling was conducted using the Methot ... the first year (2014) of the study logged acoustic data during daytime only whilst surveys in later years ...
Meeting Document : SG-ASAM-18/09 : Author(s): F.W. Shabangu
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Note on estimating abundance from acoustic data on individual krill aggregations
and aggregation information are briefly described. The chief differences of the two approaches are highlighted ... and aggregation information are briefly described. The chief differences of the two approaches are highlighted ...
Meeting Document : WG-KRILL-91/20 : Author(s): I. Hampton and D.G.M. Miller (South Africa)
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European Union – Measurement of capacity in CCAMLR exploratory fisheries in Subareas 88.1 and 88.2
fishery. The number of vessels operating in the fishery has progressively increased in recent years yet ... . The number of vessels operating in the fishery has progressively increased in recent years yet overall catch ...
Meeting Document : WG-SAM-14/19 : Author(s): Delegation of the European Union