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Comisión para la Conservación de los Recursos Vivos Marinos Antárticos

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  1. Interannual variability in Antarctic krill (Euphausia superba) density at South Georgia, Southern Ocean: 1997 – 2013

    , 2001-2003, 2005-2007) of high values (µ > 30 g m-2) interspersed with years (1999-2000, 2004, 2009 ... -2010) of low density (µ < 30 g m-2). This pattern showed three different periods, with fluctuations ... g m-2) and its distribution was highly skewed with many zero observations. Within each survey the ... sea-surface temperature (August SST) from the preceding year. A quadratic regression (r 2 = 0.42, P< ...

    Meeting Document : WG-EMM-14/P04 : Autor(es): S. Fielding, J. Watkins, P. Trathan et al.

  2. Estimating food consumption of marine predators: Antarctic fur seals and macaroni penguins

    consumption of 0?35 (CV = 0?11) and 0?72 (CV = 0?23) G tonnes year –1. Carbon expired as CO 2 was 0?26 (CV = 0 ... requirements and food consumption. 2. Two species of marine predators (Antarctic fur seal Arctocephalus gazella ...

    Meeting Document : WG-EMM-02/23 : Autor(es): I.L. Boyd (United Kingdom)

  3. The effect of temporal variability on power analysis predictions for Adélie penguin CEMP parameters at Béchervaise Island

    results are obtained for a fixed co-efficient of variation of the temporal variability SD in relation to ... or decreases larger than 2% each year with more than 80% power. Increasing the duration of the ...

    Meeting Document : WG-EMM-03/49 : Autor(es): L.M. Emmerson and C. Southwell (Australia)

  4. ENCOUNTERS WITH VULNERABLE MARINE ECOSYSTEMS IN THE CONVENTION AREA

    Abstract:  So far in 2008/09, the Secretariat has received 30 VME-indicator notifications from ... 88.2. In addition, the Secretariat has received 30 notifications of encounters with VMEs during the ... -642 m) and Subarea 48.2 (11 notifications, depth 96-252 m), and by Australia in Division 58.4.1 (2 ... and SSRU H in Division 58.4.1 (where the 2 encounters were notified) are closed to bottom fishing ...

    Meeting Document : WG-EMM-09/08 : Autor(es): Secretariat

  5. INTERACTIONS OF PATAGONIAN TOOTHFISH FISHERIES WITH KILLER AND SPERM WHALES IN CROZET EXCLUSIVE ECONOMIC ZONE: AN ASSESSMENT OF DEPREDATION LEVELS AND INSIGHTS ON POSSIBLE MITIGATION SOLUTIONS

    . From 2003 to 2008, sperm whales alone, killer whales alone, and the two species co-occurring were ... the largest part of this loss (70%) while sperm whales had a lower impact (30%). Photo-identification ...

    Meeting Document : WG-IMAF-09/12 : Autor(es): P. Tixier, N. Gasco, G. Duhamel and C. Guinet (France)

  6. Near-shore acoustic surveys for Antarctic krill at South Georgia, January 2004

    were collected in seastate 6 with winds up to 30 knots and swells of approximately 2.5 m at survey ... length 53.13 mm, TS =-38.43 dB kg-1). Mean krill densities were 7.1 g m-2 off the Barff Peninsula and 5.7 ... g m-2 around the Willis Islands. Krill densities in both regions were low compared to time-series of ... patterns in density but may have been exacerbated by the presence of a large iceberg (40 miles by 30 miles ...

    Meeting Document : WG-EMM-04/35 : Autor(es): A.S. Brierley, P.N. Trathan, J. Poncet and A. Morton (United Kingdom)

  7. Fatty acid signature analysis from the milk of Antarctic fur seals and southern elephant seals from South Georgia: implications for diet determination

    acids 16:4 n1, 18:2 n6, 18:4 n3, 18:4 n1 and 20:5 n3 and by higher levels of 18:0, 18:1 n9/ n11 (i.e. 18 ... :1 n9 co- eluting with 18:1 n11) and 20:1 n9. Fatty acid signatures from the milk of Antarctic fur ...

    Meeting Document : WG-EMM-99/44 : Autor(es): D.J. Brown, I.L. Boyd, G.C. Cripps and P.J. Butler (United Kingdom)

  8. On the problem of by-catch of juvenile fish in krill fishery

    mainly taken over depth ranges from 300 to 500 m and from 2 500 to 4 200 m. Most frequently observed ... was usually less than 50 fish per 30 min trawling. By-catch in commercial trawls was from 114 to 1 x ... were higher than 2 tonnes (2-12 tonnes) and over the bottom depth less than 1 000 m. Maximum by-catch ... (up to 1 x 106 fish per tonne of krill) was observed when krill catches were less than 2 tonnes and ...

    Meeting Document : WG-FSA-92/10 : Autor(es): C.A. Pankratov and E.A. Pakhomov (Ukraine)

  9. Exploratory analysis of acoustic data from the Ross Sea

    exploratory fishery. Data were recorded continuously from 28 December to 2 February 2003, then during line ... , corresponding to 2–4 nmi. Data quality was generally good. Of the 84 line recordings, 68 were considered ... high seas (swell heights greater than 2 m): conditions that led to bubble interference on the hull ... January 2003, and the occurrence of a double bottom echo caused by too high a ping rate from 23–30 January ...

    Meeting Document : WG-FSA-SAM 03/9 : Autor(es): R.L. O’Driscoll and G.J. Macaulay (New Zealand)

  10. Growth models for D. eleginoides for the Heard Island plateau region (Division 58.5.2) calibrated from otolith-based length at age data and validated using mark-recapture data

    unadjusted model. We also tried fixing the t0 and L? parameters of the VB model to give age zero length of 30 ... Criterion indicated that the 2-segment linear model gave the best fit to the length-age data. We compare ... days was 36.6 mm yr-1 while that predicted from the 2-segment linear model for lengths above 557 mm was ... lengths from this VB curve and the 2-segment linear model were almost identical. Author(s):  S.G. Candy, T ...

    Meeting Document : WG-FSA-05/64 Rev. 1 : Autor(es): S.G. Candy, T. Lamb, A.J. Constable and R. Williams (Australia)

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Correo electrónico: ccamlr [at] ccamlr [dot] org
Teléfono: +61 3 6210 1111
Facsímil: +61 3 6224 8744
Dirección: 181 Macquarie Street, Hobart, 7000, Tasmania, Australia

 

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