Resultados de la búsqueda

1. Effects of weather and sea-ice on the reproductive performance of the Adélie penguin at Edmonson Point, Ross Sea

   (Pygoscelis adeliae) was studied at Edmonson Point, Victoria Land, during the 1999, 2001 and 2003 breeding ... females were significantly longer than in 1999 and 2001, which in turn delayed the mean departure date of ... delayed compared to dates recorded in 1999 and 2001. The average weight of adults rearing chicks was lower ... Point, Victoria Land, during the 1999, 2001 and 2003 breeding seasons. Weather and sea-ice regimes ... than in 1999 and 2001, which in turn delayed the mean departure date of males on the second incubation ... recorded in 1999 and 2001. The average weight of adults rearing chicks was lower in 2003. It is suggested ... pointe Edmonson, en Terre Victoria, pendant les saisons de reproduction de 1999, 2001 et 2003. Les ...

   Science Journal Paper : CCAMLR Science, Volume 11 (CCAMLR Science, Volume 11) : 99–109 : Autor(es): Olmastroni, S., F. Pezzo, V. Volpi and S. Focardi

2. Commercial krill fisheries in the Antarctic, 1973 to 1988

   (April to August). Trends in the fishery with respect to independent estimates of krill abundance and ... 48.3 where fishing is predominantly confined to the winter months (April to August). Trends in the ... between April and August (Le. in late autumn through winter) with peak catches in June. This observed ... that a first step in determining the effects of possible interactions between krill and other species ... requires definition of the temporal and spatial scales over which such interactions occur. An important ...

   Science Journal Paper : Selected Scientific Papers, SC-CAMLR-SSP/6 (Selected Scientific Papers, SC-CAMLR-SSP/6) : 229–281 : Autor(es): Miller, D.G.M.

3. Areal and seasonal extent of sea-ice cover off the northwestern side of the Antarctic Peninsula: 1979 to 1996

   several regions in the western Antarctic from October 1978 to August 1994, including the Long Term ... Radiometer (SMMR) from October 1978 to August 1987. Images were derived by NSIDC from data collected by ... , four periods of extensive ice cover are evident. The first period peaked in August 1980 and was more ... in August-September 1986; the ice did not fully retreat during the following summer and in 1987 ...

   Science Journal Paper : CCAMLR Science, Volume 4 (CCAMLR Science, Volume 4) : 65–73 : Autor(es): Hewitt, R

4. Precautionary spatial protection to facilitate the scientific study of habitats and communities under ice shelves in the context of recent, rapid, regional climate change

   therefore offer unique scientific opportunities. Given the complexity of the possible interactions, and the ... interactions, and the need to study these in the absence of any other human-induced perturbation, this paper ... closed to both terrestrial and pelagic community interactions over recent geological timescales. If ... biological interactions is beyond the scope of operation of any single scientific body. Therefore, to ... iceberg scouring (e.g. Gutt, 2001), colonisation and/or community development (Gutt et al., 2013; Dayton ...

   Science Journal Paper : CCAMLR Science, Volume 20 (CCAMLR Science, Volume 20) : 139–151 : Autor(es): Trathan, P.N., S.M. Grant, V. Siegel and K.-H. Kock

5. A proposed management procedure for the toothfish (Dissostichus eleginoides) resource in the Prince Edward Islands vicinity

   /pdf/meeting_ reports/ccsbt_10/report_of_mpws2.pdf. Cooke, J.G. 1999. Improvement of fishery ... , K.-H., J.M. Clark and C.A. Moreno. 2008. Interactions between cetaceans and fisheries in the ... . Killer whale (Orcinus orca) and sperm whale (Physeter mac- rocephalus) interactions with longline ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 33–69 : Autor(es): Brandão, A. and D.S. Butterworth

6. Maximum entropy reconstructions of krill distribution and estimates of krill density from acoustic surveys at South Georgia, 1996–2000

   influencing krill distribution, and hence krill/predator interactions. The MaxEnt technique also yields mean ... distribution, and hence krill/predator interactions. The MaxEnt technique also yields mean krill densities ... répartition du krill et, de là, les interactions krill/prédateurs. La technique de MaxEnt fournit de plus ... swarms (Kalikhman, 2001). Halving the integration interval (to 0.25 km here), however, would increase ... . Can. J. Fish. Aquat. Sci., 47: 1282–1291. Kalikhman, I. 2001. Patchy distribution fi elds ...

   Science Journal Paper : CCAMLR Science, Volume 10 (CCAMLR Science, Volume 10) : 91–100 : Autor(es): Wafy, M.H., A.S. Brierley, S.F. Gull and J.L. Watkins

7. A statistical method for estimating the level of IUU fishing: application to CCAMLR Subarea 48.3

   040–23 361, 140–9 023 respectively for birds. Despite continuing high levels of FPV coverage from 2001 ... catches for the years 2001/02, 2002/03 and 2003/04. File:  07agnew-kirkwood.pdf ... 2001 to 2004, no further IUU activity has been detected, leading to estimates of zero fi sh and bird ... catches for the years 2001/02, 2002/03 and 2003/04. Résumé Ce document décrit une nouvelle méthode ... respectivement pour les oiseaux. Malgré les niveaux de couverture élevés des navires de surveillance de 2001 à ... poisson et d’oiseaux pour les années 2001/02, 2002/03 et 2003/04. Резюме В данной статье описывается ...

   Science Journal Paper : CCAMLR Science, Volume 12 (CCAMLR Science, Volume 12) : 119–141 : Autor(es): Agnew, D.J. and G.P. Kirkwood

8. Quantifying movement behaviour of vessels in the Antarctic krill fishery

   markedly over the last 20 years (Kawaguchi and Nicol, 2007). Models of the interactions between the ... period), this resulted in a high degree of imbalance when analysing interactions between multiple fac ... interactions for the factors, the covariate x, inter- actions between the factors and x, the two-factor ... interactions are significantly affecting the behavioural pattern of the fishery by analysing trend lines of ...

   Science Journal Paper : CCAMLR Science, Volume 16 (CCAMLR Science, Volume 16) : 131–148 : Autor(es): Kawaguchi, S. and S.G. Candy

9. A first step towards modelling the krill–predator dynamics of the Antarctic ecosystem

   objective of the study is to determine whether predator–prey interactions alone can broadly explain observed ... interactions alone can broadly explain observed population trends without the need for recourse to ... interactions prédateurs–proies peuvent expliquer les tendances des populations observées sans que l’on ait ... taken between 1973 and 2001 (Miller, 2002). The fishery has been stable for the past nine years with ... the catch in 2002 being 98 414 tonnes (SC-CAMLR, 2001). This level is not considered excessive ...

   Science Journal Paper : CCAMLR Science, Volume 13 (CCAMLR Science, Volume 13) : 217–277 : Autor(es): Mori, M. and D.S. Butterworth

10. Response to Everson (2008)

    ., 2001 for the CCAMLR- 2000 strata). Stratum biomass is determined from the mean transect density raised ... ) Brierley et al. 196 extent of the entire survey area (Trathan et al., 2001). Thus the value of n was ... of biomass in all the 449 500 1 n mile squares in the defined (Trathan et al., 2001) survey area ... . maxent.co.uk/documents/MemSys5_manual. pdf, 99 pp. Hewitt, R.P., J. Watkins, M. Naganobu, V. Sushin, A.S ...

    Science Journal Paper : CCAMLR Science, Volume 15 (CCAMLR Science, Volume 15) : 195–198 : Autor(es): Brierley, A.S., B.G. Heywood and S.F. Gull

Páginas