Resultados de la búsqueda
-
COLLAPSE OF SOUTH AFRICA’S PENGUINS IN THE EARLY 21ST CENTURY
years. This reduced the global population to 26 000 pairs, when including Namibian breeders, and led to ... Algoa Bay (Eastern Cape), their breeding localities in these regions being separated by c. 600 km. Their ... period. In both the Western and Eastern Cape provinces, long-term trends in numbers of penguins breeding ... : COLLAPSE OF SOUTH AFRICA’S PENGUINS IN THE EARLY 21ST CENTURY Approval: Approved ...
Meeting Document : WG-EMM-11/P8 : Autor(es): R.J.M. Crawford, R. Altwegg, B.J. Barham, P.J. Barham, J.M. Durant, B.M. Dyer, D. Geldenhuys, A.B. Makhado, L. Pichegru, P.G. Ryan, L.G. Underhill, L. Upfold, J. Visagie, L.J. Waller and P.A. Whittington
-
Contribution to the early life history of Channichthyidae from the Bransfield Strait and South Georgia
with the results of Kock /1981/, as well as such estimate of growth of Chaenocephalus through year 1 ... Abstract: Age and early growth of 5 species of Channichthyidae / Champsocephalus gunnari ... considered to be fortnightly /Fig. 3/. Otoliths of juvenile C. gunnari /155-215 mm SL/ had one annulus ... summer season. The results presented above, combined with the published data on the length and age of ...
Meeting Document : CCAMLR/86/FA/08 : Autor(es): W. Ślósarczyk (Poland)
-
TEMPORAL CLARIFICATION OF THE TRANSITION FROM BLUE PHASE FINGERLING TO EARLY JUVENILE BROWN PHASE IN NOTOTHENIA ROSSII FROM THE SOUTH SHETLAND ISLANDS
Abstract: Scales and whole otoliths were read for age determination of early stages of Notothenia ... rossii caught in Potter Cove, South Shetland Islands, in summer of years 2003-2006 and 2008. The sample ... phase juveniles of 8.5-20.9 cm and predominant age groups 1-2 years. Counting of sclerites facilitated ... Potter Cove, with literature data from the offshore adult population, resulting in the equation: Author(s ...
Meeting Document : WG-FSA-09/32 : Autor(es): E. Barrera-Oro, E. Moreira, N. Alescio and E. Marschoff (Argentina)
-
Stable isotope analysis reveals trophic variation in adult Antarctic krill (Euphausia superba) around the Antarctic Peninsula from austral fall to early winter
to May) and the early winter (June). We aimed to examine the trophic variations of krill occurred ... association with size, (2) the δ 13 C values of krill increased during the austral fall, but no remarkable ... period, (3) mean δ 15 N values of krill differed significantly between the Bransfield Strait and the ... trophic variation during the transition from austral fall to early winter in the Antarctic Peninsula ...
Meeting Document : WG-EMM-2019/P03 : Autor(es): H.T. Zhang, G.P. Zhu, Q. Song, S.Q. Wang, Y. Yang and Q.Y. Yang
-
An analysis of early change in the blubber thickness of minke whales as an indicator of krill availability
for seven years for increment between December and February with a fair agreement between the sexes ... . Comparison based on the difference between the thickness in December in successive years was proved valid, by ... ): Y. Shimadzu (USA) Title: An analysis of early change in the blubber thickness of minke whales as an ... cases were detected significant out of 24 pairs of successive year comparison. Estimates were obtained ...
Meeting Document : WG-CEMP-87/18 : Autor(es): Y. Shimadzu (USA)
-
Review of the efficacy of the early season extension in the Patagonian toothfish fishery in Subarea 48.3 and proposal for further season extension
% compliant with CM 25-01 in the previous season to start 5-days early in 2010 (April 26th) and a further 5 ... days early in 2011 (April 20th). In 2011, following the success of the initial trial, CCAMLR agreed to ... . Author(s): M.A. Collins and K. Ross (United Kingdom) Title: Review of the efficacy of the early season ...
Meeting Document : WG-FSA-13/32 : Autor(es): M.A. Collins and K. Ross (United Kingdom)
-
Microincrement analysis in otoliths of Notothenia rossii fingerlings from the South Shetland Islands to estimate early life history timings and to validate annulus formation
other nototheniids within similar size range. Based on the early life events associated with the two ... . Finally, early juveniles (age group 1+) hatched in July-August, entering in the cove the following year to ... phase fingerlings selected from a total sample of 364 early juveniles caught mainly in summer from 2003 ... to 2010 at Potter Cove, South Shetland Islands, allowed to provide insights on early life history ...
Meeting Document : WG-FSA-12/04 : Autor(es): E. Barrera-Oro (Argentina) and M. La Mesa (Italy)
-
Descriptive analysis of haul data from FV Atlantic Navigator in Elephant Islands (48.1), South Georgia Islands (48.3) and South Orkney Islands (48.3) krill fishery (summer 2004 to early winter 2005)
(early winter 2005) with a total of 251 days of effective fishing. Descriptive study of the fishery ... continuous fishing system with air-bubbling suspension and suction of capture (CFS). Individual haul data ... with CFS (293 kg/min) during summer 2005. The biggest krill size also corresponded to this zone and ... ) krill fishery (summer 2004 to early winter 2005) Approval: Approved ...
Meeting Document : WG-EMM-05/12 : Autor(es): O. Pin, H. Nión, E. Delfino and P. Meneses (Uruguay)
-
Change of sex ratio of krill (Euphausia superba) from austral early summer to midsummer in 1983/84 in the vicinity of Prydz Bay, Antarctica
remarkable change of sex ratio and coefficient of fatness between the early summer and the midsummer. The ... waters indicating the high ratios of female krill with the high coefficient of fatness were considered to ... : Change of sex ratio of krill (Euphausia superba) from austral early summer to midsummer in 1983/84 in the ...
Meeting Document : WG-Krill-94/30 : Autor(es): M. Naganobu and S. Kawaguchi (Japan)
-
Size and stage composition of age class 0 Antarctic krill (Euphausia superba) in the ice-water interface layer during winter/early spring
unknown. The aim of this study was to improve the understanding of the krill's interaction with the ... sea ice habitat during winter/early spring by conducting large-scale sampling of the ice-water ... interface (0-2 m) and comparing the size and developmental stage composition of krill with the pelagic ... size distribution of krill differed between the two depth strata sampled. Larval stages with a ...
Meeting Document : WG-EMM-16/P16 : Autor(es): F. Schaafsma, C. David, E. Pakhomov, B. Hunt, B. Lange, H. Flores, J.A. van Franeker