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A tale of two islands: contrasting fortunes for sub-Antarctic skuas at the Prince Edward Islands
-Antarctic islands, and can be used to monitor the health of burrowing petrel populations. A survey of skuas ... at the Prince Edward Islands was conducted during December 2008, repeating a previous survey in ... (290 km 2) had a feral population of cats from the 1950s to 1980s, and still supports a large ... Prince Edward Island compared to only 22% on Marion Island where penguins are more important. The numbers ...
Meeting Document : WG-EMM-10/P03 : Автор(ы): P.G. Ryan, P.A. Whittington and R.J.M. Crawford
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Observer activities on Japanese krill fishing vessels in the CCAMLR Convention Area
. Although the increase of expected catch of krill notified in recent years has caused concerns among some ... CCAMLR Members, the actual catch has not increased, or can be described as decreasing, thus there is no ... urgent management concern related to krill fishery. In addition, CCAMLR XXV agreed “that the priorities ... ) determine the level of by-catch of larval finfish, and (iii) better understand the occurrence of warp-strike ...
Meeting Document : CCAMLR-XXVI/BG/41 Rev. 1 : Автор(ы): Delegation of Japan
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The living planet index
biodiversity captured in the Living Planet Index. The Index is based on average trends in populations of ... several hundred vertebrate species from around the world, and UNEP is interested in including CCAMLR data ... on Antarctic species. Correspondence between UNEP staff and the Secretariat is reported and WG-EMM’s ... advice is sought on the matter. Author(s): Secretariat Title: The living planet index Approval ...
Meeting Document : WG-EMM-04/16 : Автор(ы): Secretariat
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About the fecundity of Patagonian toothfish (Dissostichus eleginoides) in Subarea 48.3 (around South Georgia)
Abstract: The absolute and relative fecundity of Patagonian toothfish inhabiting areas of South ... Georgia Island and Shag Rocks were studied. The absolute individual fecundity of toothfish in relation to ... the size of specimens ranged from 56,3 to 567.5 thousands of eggs, averaging 152,9 thousands of eggs ... 8.19 ± 1,73 thousands of eggs) per 1 kg of fish body weight. Our studies and the analysis of data ...
Meeting Document : WG-FSA-98/13 : Автор(ы): M.M. Nevinsky and A.N. Kozlov (Russia)
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DIRECT EFFECTS OF CLIMATE CHANGE ON THE ANTARCTIC KRILL FISHERY
evidence of direct effects of the changing physical environment – the duration of sea ice cover- on the ... seasonal behaviour of the region’s largest fishery, that for Antarctic krill. Declining sea ice cover in ... the main krill fishing grounds has resulted in greater accessibility of krill stocks to the fishing ... EFFECTS OF CLIMATE CHANGE ON THE ANTARCTIC KRILL FISHERY Approval: Approved ...
Meeting Document : WG-EMM-09/P06 : Автор(ы): S. Kawaguchi, S. Nicol and A.J. Press
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By-catch of fish in the krill fishery
operations from a research vessel. The results indicate that the bycatch of fish in the commercial krill ... fishery may be significant in some areas of the South Georgia shelf. The problem is thought to be least in ... ) Title: By-catch of fish in the krill fishery Approval: Approved ...
Meeting Document : WG-KRILL-91/25 : Автор(ы): I. Everson (United Kingdom), A. Neyelov and Y. Permitin (USSR)
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Short paper to CCAMLR on the ICED Southern Ocean food webs and scenarios workshop: ICED information paper for CCAMLR WG-EMM
Abstract: The ICED programme is investigating how climate change might impact Southern Ocean ... an academic paper detailing the outputs, which are summarised here. ICED recognises the key role for ... CCAMLR in improving the basis for future monitoring and management of Southern Ocean ecosystems, and ... encourages active two-way engagement between the scientific community and CCAMLR. Author(s): R.D. Cavanagh ...
Meeting Document : WG-EMM-14/07 : Автор(ы): R.D. Cavanagh, E.J. Murphy, S.L. Hill and N.M. Johnston (United Kingdom) (on behalf of the ICED workshop and ICED Scientific Steering Committee)
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Summary of scientific observer data collected in the CAMLR Convention Area during 2014
Abstract: This paper summarises the data collected by Scientific Observers operating in the ... Convention Area on board longline and finfish trawl vessels during the 2014 season (based on data received by ... the Secretariat up to 01 Oct 2014). Information on observer coverage, incidental mortality (including ... the implementation of mitigation related CMs), tagging and conversion factors is presented. Author(s ...
Meeting Document : WG-FSA-14/01 Rev. 2 : Автор(ы): Secretariat
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Use of biological data to inform bioregionalisation of the Southern Ocean
biological data without the need for environmental proxies. We describe one method, called BRT (Boosted ... Regression Trees), by which we propose that CCAMLR may wish to generate species layers to inform the ... bioregionalisation of the Southern Ocean. We demonstrate the use of this method by generating 13 taxon-specific and ... other available data that is appropriate for this method and is likely to be important for the CCAMLR ...
Meeting Document : WS-BSO-07/7 : Автор(ы): M. Pinkerton, B. Sharp and J. Leathwick (New Zealand)
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The effects of global climate variability in pup production of Antarctic fur seals
range in scale from those that impact individuals to those that impact the entire food web. Climate ... -induced changes in the abundance of species in lower trophic levels can cascade up to apex predators by ... depressing vital rates. However, the characteristics and predictability of predator demographic responses ... remain largely unexplored. We investigated the delectability, limits, and nonlinearity of changes in ...
Meeting Document : WG-EMM-06/P2 : Автор(ы): J. Forcada, P.N. Trathan, K. Reid and E.J. Murphy (United Kingdom)
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