Resultados de la búsqueda

1. EXTRAPOLATING CONTINUOUS PLANKTON RECORDER DATA THROUGH THE SOUTHERN OCEAN USING BOOSTED REGRESSION TREES

   multivariate space defined by all environmental data layers together. The multivariate statistic was used to ...

   Meeting Document : WG-SAM-08/12 : Autor(es): M.H. Pinkerton, A.N.H. Smith (New Zealand), B. Raymond, G. Hosie (Australia) and B. Sharp (New Zealand)

2. An ecosystem-based management procedure for krill fisheries: a method for determining spatially-structured catch limits to manage risk of significant localised fisheries impacts on predators

   krill fisheries which draws together past experience in CCAMLR. It provides an empirical ecosystem ...

   Meeting Document : WG-EMM-15/36 : Autor(es): A. Constable and S. Candy (Australia)

3. KRILLBASE: a circumpolar database of Antarctic krill and salp numerical densities, 1926–2016

   database, KRILLBASE, together with environmental information, standardisation and metadata. The aim is to ...

   Meeting Document : WG-EMM-17/P03 : Autor(es): A. Atkinson, S.L. Hill, E.A. Pakhomov, V. Siegel, R. Anadon, S. Chiba, K.L. Daly, R. Downie, S. Fielding, P. Fretwell, L. Gerrish, G.W. Hosie, M.J. Jessopp, S. Kawaguchi, B.A. Krafft, V. Loeb, J. Nishikawa, H.J. Peat, C.S. Reiss, R.M. Ross, L.B. Quetin, K. Schmidt, D.K. Steinberg, R.C. Subramaniam, G.A. Tarling and P. Ward

4. Foraging energetics of Antarctic fur seals in relation to changes in prey availability

   lactating female Antarctic fur seals, Arctocephalus gazella, foraging at sea was measured in two years using ... doubly labeled water at South Georgia Island. There was no difference between years in mass gain, water ... influx, mass-specific field metabolic rate (FMR), or absolute FMR. Mean at-sea FMR over both years was ... -provisioning rate) appear to reflect prey availability. The similarity between years in mass increase suggests ...

   Meeting Document : SC-CAMLR-VIII/BG/13 : Autor(es): Delegation of United Kingdom

5. Population demography of Antarctic fur seals: the costs of reproduction and implications for life-histories

   consecutive years, including 3 years when several indices showed that food availability was well below average ... age classes with the highest reproductive output (ages 5-8 years). 5. Mean pregnancy rate was 0•70 (SD ... age 3–4 years, pregnancy rate peaked at age 8 years and declined thereafter. Otherwise pregnancy rate ... population size. 4. There was no evidence of senescence. Survival rate was not related to year of birth or ...

   Meeting Document : WG-EMM-95/26 : Autor(es): Reid, K., Croxall, J.P., Lunn, N.J., Boyd, I.L.

6. 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)

7. 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)

8. 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)

9. 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)

10. 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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