Search results
-
A model at the level of the foraging trip for the indirect effects of krill (Euphausia superba) fisheries on krill predators
also linear functions of krill catch, with but slopes less than I. That is, reductions in reproductive ... the krill deficiency (relative to needs) that parents accumulate while feeding their young. A ... sensitivity analysis of the breeding model shows that the predictions are robust for parameters about which ... to the rules that parents use to allocate krill to their offspring. We evaluate expected reproductive ...
Meeting Document : WG-EMM-98/48 : Author(s): M. Mangel and P.V. Switzer (USA)
-
Biological features of the icefish Champsocephalus gunnari from commercial catches in Subarea 48.3 during the period from 8 December 1999 until 31 January 2000
western shelf of the South Georgia Island. Icefish 26-40 cm in length, with the average size of 30.3 cm ... made up the bulk of the catches. Length-frequency distribution was characterized by bimodality, with ... Champsocephalus gunnari (with the length of 24 cm and less) amounted to, on the average, 0.6% per a haul. The male ... , respectively, prevailed. Icefish feeding intensity remained to be relatively high during all the period of ...
Meeting Document : WG-FSA-00/20 : Author(s): V.L. Senioukov (Russia)
-
Fatty acids composition of spiny icefish Chaenodraco wilsoni in the Bransfield Strait and its implication to local food availability
Strait is complex, with warm, low-salinity surface waters found in the western and northern BS and colder ... Islands. The local food availability of C. wilsoni may be influenced by those waters. The fatty acids can ... marker fatty acids of C. wilsoni between the Transitional Zonal Water with Bellingshausen Sea influence ... (TBW) and the Transitional Zonal Water with Weddell Sea influence (TWW) in the Bransfield Strait. C ...
Meeting Document : WG-FSA-18/76 : Author(s): Q.Y. Yang, G.P. Zhu and K. Reid
-
Distribution and ecology of Chaenocephalus aceratus (Channichthyidae) around South Georgia and Shag Rocks (Southern Ocean).
that growth was fast in the first five years with males and females attaining lengths at first spawning ... of 440 mm TL and 520 mm TL. The diet was comprised of fish and crustaceans, with an ontogenetic shift ... different from the other species of channichthyids around South Georgia to suggest that these species have ...
Meeting Document : WG-FSA-07/P5 : Author(s): W.D.K Reid, S. Clarke, M.A. Collins and M. Belchier. (Polar Biol., 30 (12): 1523–1533 (2007))
-
Age distribution of breeding female Antarctic fur seals in relation to changes in population growth rate
Georgia, in 1988 was compared with the age distribution of a sample obtained in 1971-1973. The mean age in ... ), which was significantly lower than in 1971-1973. Indicators of population size suggested that population ... growth at Bird Island had declined to below 3% annually by 1988 compared with rapid growth (17%) in 1958 ... females on the pupping beaches. There are few signs from this analysis that the fur seal population at ...
Meeting Document : WG-CEMP-91/21 : Author(s): I.L. Boyd, N.J. Lunn, P. Rothery and J.P. Croxall (United Kingdom)
-
Spatial distribution and swarm characteristics of Antarctic krill around the South Shetland Islands
acoustic density were obtained with Kriging space interpolation, which showed that krill usually aggregated ... than the other three years. The results also indicated that more krill swarms located at deeper water ... in March 2015 compared with those in December 2013, January 2016 and February 2018, although the ...
Meeting Document : WG-EMM-18/42 : Author(s): X. Yu, X. Wang and X. Zhao
-
Terra Nova Bay: hot spot in marine and terrestrial biodiversity, knowledge and functioning of the ecosystem
salination of the Circumpolar Deep Water (CDW), that penetrates onto the continental shelf of the Ross Sea ... . The awareness that the processes that make this area particularly valuable occur at a spatial scale ... which is larger than the presently protected areas suggests that management and conservation measures ... should be applied at a larger scale, by embracing more sites or enlarging the existing ones. Author(s ...
Meeting Document : WS-MPA-11/14 : Author(s): S. Torcini, M. Vacchi, S. Aliani, G. Bavestrello, A. Bergamasco, G. Budillon, B. Calcinai, G. Catalano, R. Cattaneo-Vietti, C. Cerrano, M. Chiantore, S. Corsolini, R. Bargagli, A. Dell’Anno, G. di Prisco, G. Fusco, S. Focardi, L. Gugliemo, G. Lauriano, P. Luporini, O. Mangoni, S. Olmastroni, F. Pezzo, E. Pisano, L. Ghigliotti, P. Povero, S. Puce, A. Pusceddu, E. Rusciano, M. Saggiomo, V. Saggiomo, M.C. Gambi, S. Schiaparelli, G. Spezie, C. Verde, P. Del Negro (Italy)
-
Gonad stages identification plate: proposal for collaborative work
accurate data on stages as observers would be able to better compare the gonads in the factory with those ...
Meeting Document : TASO-10/04 : Author(s): N. Gasco (France)
-
Foraging of royal albatrosses, Diomedea epomophora, from the Otago Peninsula and its relationship to fisheries.
albatrosses, 28% of GPS locations being obtained within this radius from the Otago peninsula study. Royal ...
Meeting Document : WG-FSA-05/P4 : Author(s): Davis, L., Setiawan, A., Higuchi, H., Suzuki, M., Fukuda, A., Filippi, D., Waugh, S.
-
Information about a Workshop for Training Russian Scientific Observers and Inspectors to Work in Fisheries in the CCAMLR Convention Area
August 2019). ...
Meeting Document : SC-CAMLR-38/01 : Author(s): Делегация Российской Федерации