Search results
-
Adélie penguin colony size predicts south polar skua abundance on Ross Island, Antarctica
other ecosystem drivers. In the Ross Sea region, most south polar skuas (Catharacta maccormicki) nest ... areas of varying size within the three main Ross Island colonies. We considered skua populations in ice ... . Many historical paired estimates of skua numbers and penguin colony sizes in the Ross Sea fell below ... this regression line. We probably overestimated skua numbers at some colonies by overestimating the ...
Meeting Document : WG-EMM-14/55 : Author(s): D.J. Wilson, P.O’B. Lyver (New Zealand), A.L. Whitehead (Australia), T.C. Greene (New Zealand), K. Dugger (USA), B.J. Karl, J.R.F. Barringer, R. McGarry (New Zealand), A.M. Pollard and D.G. Ainley (USA)
-
TOPIC SUMMARY OF CEP DISCUSSIONS ON NON-NATIVE SPECIES (NNS) IN ANTARCTICA
Abstract: This paper summarises past discussions by the Committee for Environmental Protection ... (CEP) about non-native species (NNS). The intention is to provide a central resource for the CEP’s ... continuing consideration of this important topic which receives the highest priority in the 5-yer CEP ...
Meeting Document : CCAMLR-XXVII/BG/19 Rev. 1 : Author(s): CEP Observer to CCAMLR
-
Krill fishery information
Abstract: Compilation of information and work pertaining to the krill fisheries in CCAMLR waters ... is presented, including: • A report on catches for the last, complete season (2002/03) and an update ... on catches for the current season (2003/04); • Measures of overlap between the krill fishery and ... krill predators; • A revised plan for the krill fishery in Area 48. Author(s): Secretariat Title ...
Meeting Document : WG-EMM-04/15 : Author(s): Secretariat
-
Etude de la mortalité accidentelle des oiseaux dans la pêcherie à la palangre dans les secteurs de Crozet et Kerguelen en 2001–2003
Abstract: The legal Patagonian toothfish longline fishery operating in the French ZEE of Crozet ... far the most frequently killed species then grey petrels Procellaria cinerea were incidentally killed ... period. The multivariate analysis contributed to highlight that a combination of variables (environmental ... and relating to the fishing technicals) have an effect on the observed seabirds incidental capture ...
Meeting Document : WG-FSA-04/11+ Eng summary : Author(s): K. Delord, N. Gasco, H. Weimerskirch and T. Micol (France)
-
Preliminary announcement of ‘Workshop on Krill Culturing Techniques’
condition. Several research groups in the world are also independently developing their culturing techniques ... methodology. The aim of the workshop is to share the knowledge to date about the methodology of krill ... culturing and experiments, and contribute to the future experimental studies on Antarctic krill. Author(s ...
Meeting Document : WG-EMM-01/37 : Author(s): Delegation of Japan
-
A by-catch guide for commonly caught species in CCAMLR longline and trawl fisheries
Abstract: As requested by members at WG-FSA 15, the Secretariat has collated existing materials ... fisheries. The guide consists of comprehensive descriptions for 21 species, and two additional appendices ... caught in the CCAMLR krill fishery. The Secretariat thanks members for access to materials, and for ... reviewing the draft version of this guide. Additionally, images in this guide have been provided for the ...
Meeting Document : WG-FSA-16/17 : Author(s): CCAMLR Secretariat
-
A RISK MANAGEMENT FRAMEWORK FOR AVOIDING SIGNIFICANT ADVERSE IMPACTS OF BOTTOM FISHING GEAR ON VULNERABLE MARINE ECOSYSTEMS
adverse impacts of bottom fishing gear on Vulnerable Marine Ecosystems (VMEs) are avoided. Due to the high ... levels of uncertainty surrounding both the evidence of VME presence and the consequences of interaction ... used successfully by IMAF to minimise the effects of longline fishing mortality on seabirds. The aim of ... . The framework consists of four steps: (1). Risk analysis of current and proposed fishing activities ...
Meeting Document : WG-FSA-08/64 : Author(s): K. Martin-Smith (Australia)
-
Demographic effects of extreme weather events: snow storms, breeding success, and population growth rate in a long-lived Antarctic seabird
are poorly understood because they are, by definition, rare events. If the frequency and severity of ... extreme weather events increase, there is an urgent need to understand and predict the ecological ... consequences of such events. In this study, we aimed to quantify the effects of snow storms on nest survival in ... heavy snow storms, and long term data on petrel productivity (i.e., number of chicks pro- duced) at the ...
Meeting Document : WG-EMM-16/P13 : Author(s): S. Descamps, A. Tarroux, Ø. Varpe, N.G. Yoccoz, T. Tveraa and S.-H. Lorentsen
-
CEMP INDICES: 2011 UPDATE
Abstract: The CCAMLR Ecosystem Monitoring Program (CEMP) uses indices derived from data on ... indicator species collected by standard methods in the three Integrated Study Regions of the Convention Area ... . Each year the Secretariat updates the standardised index values and provides a summary of trends and ... total of 116 anomalous values (anomalies, see Appendix 1) have been observed in the times series of ...
Meeting Document : WG-EMM-11/06 : Author(s): Secretariat
-
Feeding and food intake of Electrona carlsbergi (Tåning) (Myctophidae)
Abstract: In the summer-autumn period E. carlsbergi fed mainly on copepods. Daily food intake ... measured using various methods ranged from 3.7 to 5.6 % of fish body weight. The amount of food consumed by ... E. carlsbergi during the year in the southern regions of the Antarctic Convergence is about 15 times ...
Meeting Document : WG-FSA-90/18 : Author(s): O.V. Gerasimova (USSR)