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Commercial fishing vessels as research vessels in the Antarctic – requirements and solutions exemplified with a new vessel
dramatically over its 30- to 40-year history. The present annual catch in the Atlantic sector of the Southern ... given sub- stantial attention in recent years (ICES, 2007; Abe et al., 2011; Skaret et al., 2012). Much ... years, most new research vessels, and also some fishing vessels, are being equipped with an instrument ... scientific use when the vessel is new. In general, space for a 20 ft container laboratory van would be ...
Science Journal Paper : CCAMLR Science, Volume 21 (CCAMLR Science, Volume 21) : 11–17 : Autor(es): Godø, O.R., C. Reiss, V. Siegel, J.L. Watkins
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Biomass, abundance and distribution of fish in the Kerguelen Islands EEZ (CCAMLR Statistical Division 58.5.1)
1987 and 1988 (SKALP surveys; see Duhamel, 1993a), nearly 20 years after the beginning of fish- ery ... 10.21 0 10 000 20 000 30 000 40 000 50 000 To nn es TOP ANI NOS NOR BEA BYR MCC LIC Species ... - ric range of the species. The standard duration of a trawl was 30 min on the ground (bottom ... from 6 September to 9 October 2006 (with two stations on 19 and 20 October 2006) in the whole area of ...
Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 1–32 : Autor(es): Duhamel, G. and M. Hautecoeur
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A Comparison Between Age Determinations of the Antarctic Fish Notothenia gibberifrons Lönnberg Using Scales and Otoliths
were interpreted 60% of scale readings and 30% separate and simultaneous interpretations. Estimates of ... derived from scales are approximately 30% greater than predictions utilising age data derived from ...
Meeting Document : WG-FSA-89/13 : Autor(es): R. Coggan (United Kingdom), K. Skora (Poland), A. Murray and M. White (United Kingdom)
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A brief outline of the biology of the Antarctic silverfish, Pleuragramma antarcticum Boulenger, 1902 (Nototheniidae) from the Antarctic Indian Ocean
three relatively isolated groups. Fish aged from 0+ to 3+ years live in the epi- mesopelagic zone where ... there are macro aggregations of plankton, while fish aged from 3+ to 12+ years form near-bottom, pelagic ... when they reach 13-16 cm in length and 4-6 years of age. Males reach maturity at 12-18 cm in length and ... 4-7 years of age. The potential absolute and relative fertility of this species is one of the ...
Meeting Document : WG-FSA-92/11 Rev. 1 : Autor(es): V.V. Gerasimchuk (Ukraine)
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Age distribution of breeding female Antarctic fur seals in relation to changes in population growth rate
1971-1973 was 7.41 (SE = 0.26) years and in 1988 it was 6.93 (SE = 0.20) years. After correction for ... age-dependent arrival time at the pupping beach in 1988, the mean age was 6.22 (SE = 0.14 years ... -1972. Exponential models fitted to the frequency distribution of age-classes greater than age 5 years ...
Meeting Document : WG-CEMP-91/21 : Autor(es): I.L. Boyd, N.J. Lunn, P. Rothery and J.P. Croxall (United Kingdom)
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A preliminary assessment of age and growth of eel cod (Muraenolepis sp.) and violet cod (Antimora rostrata) in the Ross Sea, Antarctica
estimated age of 9.5 years. Von Bertalanffy parameters derived from female and unsexed fish only are: L ... ., 42.8 cm TL; K, 0.408 y-1; t0,-0.1 years. Violet cod are relatively long-lived, with a maximum estimated ... age of 41.5 years. Von Bertalanffy parameters derived from female and unsexed fish only are: L., 78.4 ... cm TL; K, 0.053 y-1; t0, 0.1 years. Author(s): P.L. Horn and C.P. Sutton (New Zealand) Title: A ...
Meeting Document : WG-FSA-10/19 : Autor(es): P.L. Horn and C.P. Sutton (New Zealand)
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Analysis of changes in biomass of fish stocks in the South Georgia area in 1976/77-1986/87
biomass density of C. gunnari stock. High biomass density appeared with 2-4 year intervals after ... recruiting an abundant year-class to the exploited stock. The biomass of other bottom species is more stable ... years, this year class might keep catches in the 1986/87 and the following season at a high level. To ... the Polish fishery, in the 11 years of observations (Figure 1). 2. MATERIAL AND METHOD The ... off South Georgia, calculated by the swept area method in the past eleven years, on the basis of ... vessel), and a length of 21-30 cm in 1986/87 (November-December, data from research catches). The ...
Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/4 (Selected Scientific Papers, SC-CAMLR-SSP/4) : 185-211 : Autor(es): Mucha, M. and W. Ślósarczyk
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Evaluation of Antarctic krill biomass and distribution off the South Orkney Islands 2011-2015
coverage in all years except 2013. The results show that except from the year 2015, krill densities were ... assessments, but the frequencies operated varied between vessels and years. In addition, the survey coverage ... has varied between years in particular due to ice. In order to allow for comparison of distribution ... and abundance of krill near the South Orkneys among years, we here attempt to generate a coherent ...
Meeting Document : WG-EMM-15/54 : Autor(es): G. Skaret, B.A. Krafft, L. Calise (Norway), J. Watkins (UK), R. Pedersen and O.R. Godø (Norway)
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Increasing abundance of Type A killer whales (Orcinus orca) in the coastal waters around the Antarctic Peninsula
increasing in recent years, including observations of predation on a number of whale and pinniped species ... . Here we integrate satellite telemetry (n = 10 tags) and photo-identifications (13 years, 15,828 ... to 3048 km from tagging site). Photographic re-sightings of the same whales were common across years ... (up to 13 years), and a Bayesian mark-recapture analysis estimated that the average annual abundance ...
Meeting Document : WG-EMM-17/49 : Autor(es): H. Fearnbach, J.W. Durban, D.K. Ellifrit and R.L. Pitman
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Conservation Measure Conservation Measure 10-05 (2002)
following conservation measure in accordance with Article IX of the Convention: 1. Each Contracting ... product of all species to be re-exported, together with the Dissostichus catch document number to which ... last two digits of the year for which the form is issued; and (ii) a three-digit sequence number ...
Conservation Measure : 10-05 (2002)