Search results
-
Soft-sediment macrozoobenthos from Domain 1 (Antarctica): A preliminary report using community parameters and proxies
Abstract: The present scientific report presents the analysis of a database compilation in order ... biogenic opal and TOC in sites with highest density of benthic organisms. Although, sampling effort can ... play an important role in the results, data suggests that the seafloor around King George Island can be ... considered as a hot-spot of diversity as well as production, and the geochemical proxies are in agree with ...
Meeting Document : SC-CAMLR-XXXVI/BG/10 : Author(s): Delegation of Chile
-
Sensitivity analysis identifies high influence sites for estimates of penguin krill consumption on the Antarctic Peninsula
. Antarctic krill (Euphausia superba) is a significant component of diet for penguins breeding in this region ... in krill predation estimates. We use a comprehensive database of Antarctic penguin abundances to ... of pygoscelid penguins breeding in this region. We find that a high quality survey of Zavodovski ... Island alone would decrease uncertainty in total population by 24.8%, whereas high quality surveys of all ...
Meeting Document : WG-EMM-12/P02 : Author(s): H.J. Lynch, N. Ratcliffe, J. Passmore, E. Foster and P. N. Trathan
-
SC-CAMLR-III
Scientific Committee Secretariat SC-CAMLR-III/BG/05 Monitoring indicators of possible ecological changes in ... superba Dana in December 1983 and January 1984 before and during the Second International Biomass ... size in the fishery of Antarctic krill Delegation of Chile SC-CAMLR-III/INF. 01 Report of Members ... ’ activities in 1983/84 South Africa SC-CAMLR-III/INF. 02 Report of Members’ activities in 1983/84 United ...
Meeting
-
STRONG EFFECTS OF ENVIRONMENTAL CONDITIONS ON REPRODUCTIVE SUCCESS OF PENGUINS AT KING GEORGE ISLAND
variability in the reproductive success of Adélie, gentoo, and chinstrap penguins can be explained by simple ... reproductive success in all species. Biological variables measured during the chick-rearing phase, like krill ... chinstrap penguins which breed later in the season than gentoo and Adélie penguins. In most cases, the final ... predictor variables detected in this analysis have exhibited directional trends, implying important effects ...
Meeting Document : WG-EMM-09/43 : Author(s): J. Hinke, C. Reiss and W. Trivelpiece (USA)
-
A proposal to enhance and clarify CCAMLR’s Catch Documentation Scheme
harvest through final import for consumption. The move, in 2010, to a fully electronic Catch ... Documentation Scheme (e-CDS) has improved the tracking of toothfish moving in trade and decreased the potential ... CCAMLR by participating in the CDS, to ensure that the toothfish entering their markets were harvested in ... efficient product traceability. However, there are some improvements that could be made in order to clarify ...
Meeting Document : CCAMLR-XXXI/38 : Author(s): Delegation of the USA
-
The diet of Antarctic fur seals, Arctocephalus gazella, at King George Island, during the summer–autumn period
, krill and fish were the most frequent prey, occurring in an average of 97% and 69% of samples (n=128 ... fish species associated with krill swarms. A seasonal change observed in the relative proportions of ... the different fish prey taxa would indicate that fur seals spent more time foraging over the shelf in ... summer and off shelf in autumn. During the study period commercial fishing in the area was not based upon ...
Meeting Document : WG-EMM-04/4 : Author(s): G.A. Daneri, A.R. Carlini, C.M. Hernandez and A. Harrington (Argentina)
-
Proposed movement of boundary between Subareas 88.1 and 88.2
Subarea 88.1 and Statistical Subarea 88.2 in order to harmonise with the exploratory fisheries for ... Dissostichus mawsoni in those subareas and with other conservation measures in force. The proposal would move ... complexity that currently adds an administrative burden on Members and the Secretariat in respect of fishery ... these would have no material impact on the operation of fisheries in these areas. The Secretariat ...
Meeting Document : CCAMLR-XXXVII/22 : Author(s): CCAMLR Secretariat
-
The food and feeding ecology of the white-chinned petrel Procellaria aequinoctialis at South Georgia
the chick-rearing period in 1986 by quantitative analysis (by weight, frequency of occurrence and ... ; fish and squid occurred In 67% and 35% of samples and formed 33% and 19% of the diet by weight ... , respectively. Decapods, amphipods and salps occurred in a few samples. The fish were mainly lanternfish ... (Myctophidae) of 8 species (chiefly in the genera Electrona and Gymnoscopelus), forming 80% by numbers and 52 ...
Meeting Document : WG-CEMP-94/14 : Author(s): J.P. Croxall, A.J. Hall, H.J. Hill, A.W. North and P.G. Rodhouse (United Kingdom)
-
OPTIONS FOR USING UNREPLICATED ECOSYSTEM MONITORING DATA TO DETECT IMPACTS
. Furthermore, CEMP data cannot be used in a standard environmental impact assessment framework as they lack ... control sites. Identifying how these data could be used in an ecosystem management strategy is therefore ... and a schedule of tactical interventions in response to these impacts (e.g. restrictions on fishing ... either assess the expected probability of an observed value in an unimpacted system, or they assess the ...
Meeting Document : WG-EMM-09/26 : Author(s): S. Hill, J. Forcada, P. Trathan and C. Waluda (United Kingdom)
-
The population of Mirounga leonina at stranger point (25 de Mayo – King George I.)
Stranger Point (25 de Mayo-King george I.) between 1980-87(excluding 1981). A decline in the population was ... observed in 1980-82 and 1987. The female component was mainly affected in 1 980-82 (r=-0.568) while the ... male component was affected in 1987 (r=-0.463). A possible influence of El Niño Southern Oscillation ... (ENSO) events upon the numerical changes in the studied population is postulated. Author(s): Delegation ...
Meeting Document : SC-CAMLR-VII/BG/33 : Author(s): Delegation of Argentina