Resultados de la búsqueda
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An ecosystem-based approach to management: using individual behaviour to predict the indirect effects of Antarctic krill fisheries on penguin foraging
becoming increasingly prevalent, they require a fuller understanding of how individual behaviour determines ... interactions within and between species. 2. Ecological interactions involving krill are of major importance to ... many species within the Antarctic. Despite extensive knowledge of the ecosystem that they occupy, there ... is still incomplete understanding of the links between species and the effect of environmental ...
Meeting Document : WG-EMM-03/34 : Autor(es): S.H. Alonzo, P.V. Switzer and M. Mangel (USA)
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Long term movements and activity patterns of an Antarctic marine apex predator: the leopard seal
ecosystems through local predation. Here we report on the successful use of micro geolocation logging sensor ... tags to track the movements, and activity, of four leopard seals for trips of between 142-446 days ... advance in our limited knowledge of leopard seals. We show the longest periods of tracking of leopard ... island of South Georgia. It appears that these tracked animals migrate in a directed manner towards Bird ...
Meeting Document : WG-EMM-18/P09 : Autor(es): I.J. Staniland, N. Ratcliffe, P.N. Trathan and J. Forcada
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Information on krill in reports from the CCAMLR scheme of international observation and its utility for management
Abstract: A preliminary analysis of the 32 reports submitted under the CCAMLR Scheme of ... International Observation revealed that there are a number of inconsistencies in the information being reported ... . Few reports have been submitted each year with a maximum of eight submitted in 2005. Very little ... area 48.3. Information on fishing gear suggests great differences between vessels. Aspects of ...
Meeting Document : WG-EMM-07/22 : Autor(es): J. Foster, S. Nicol and S. Kawaguchi (Australia)
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Update on the Agreement on the Conservation of Albatrosses and Petrels (ACAP)
Abstract: The Agreement on the Conservation of Albatrosses and Petrels (ACAP) entered into force ... on Sunday 1 February 2004. Six countries (Australia, New Zealand, Ecuador, Spain, the Republic of ... of threatened seabirds. The first Meeting of the Parties is to be held in Hobart, Australia, on 10—12 ... November 2004. The agenda for this meeting is prescribed under Article VIII of the Agreement, and will ...
Meeting Document : WG-FSA-04/51 : Autor(es): B. Baker and T. Hewitt (Australia)
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Resolution of the Ukraine–Russian seminar ‘Climate, South Ocean Resources, CCAMLR and Antarctic krill’
organized with the assistance of the State Committee of Fisheries of Ukraine, Kyiv National Taras Shevchenko ... University and under support of the Antarctic Krill Conservation Project (PEW, ASOC). On the seminar the key ... Russian, Ukrainian and Canada experts, scientists, and officials were present, who engage in the issues of ... consumers. As a result of seminar work and in numerous discussions participants expressed a concern the ...
Meeting Document : CCAMLR-XXIX/BG/35 : Autor(es): Delegation of Ukraine
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An assessment of Chaenocephalus aceratus and Pseudochaenichthys georgianus in Subarea 48.3
because of a lack of reliable biological and catch data. This paper attempts to reconstruct the fishery ... for these two species by assuming that 75% of the ‘unidentified fish’ caught by the Soviet Union in ... the years 1977 to 1988 consisted of catches of C. aceratus and P. georgianus. Biological, age-length ... from surveys, and indicate that the stock of C. aceratus has decreased from 18 000 tonnes to 6 000 ...
Meeting Document : WG-FSA-90/06 : Autor(es): D.J. Agnew (Secretariat) and K.-H. Kock (Germany)
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A meta-analysis of by-catch in the Ross Sea toothfish fishery
Abstract: Following the recommendation of WG-FSA in 2014 the Secretariat has undertaken an ... analysis of by-catch in CCAMLR longline fisheries. The numerical target catch ratio (the number of target ... fish as a proportion of the total number of fish caught), using haul by haul data from the Ross Sea ... toothfish fishery from 2008–2014, was used as a single metric to examine the amount of by-catch reported by ...
Meeting Document : WG-SAM-15/23 : Autor(es): CCAMLR Secretariat
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Proposal for a winter longline survey of Antarctic toothfish in Subarea 88.1 SSRUs B–C in 2016
Ross Sea region to investigate spawning dynamics of Antarctic toothfish, as requested by the Scientific ... Committee in 2013. The longline survey is designed to cover key gaps in the knowledge of the life cycle of ... Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea by collecting biological samples from a range of ... to investigate the spawning timing and locations of Antarctic toothfish in the northern Ross Sea ...
Meeting Document : WG-SAM-15/47 : Autor(es): S.J. Parker, S.M. Hanchet and R.J.C. Currey (New Zealand)
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Candidate baseline data for ecosystem indicators in the Ross Sea region. Part B: Discussion of the data
facilitate assessment of the degree to which the RSRMPA achieves its objectives. The Plan also identifies a ... set of indicators that, when observed or quantified, provide baseline data for key species and ... characterize the status of the marine ecosystem in the Ross Sea region. These baselines provide benchmarks from ... which to assess change and evaluate the performance of the MPA. Here, and in an accompanying working ...
Meeting Document : SC-CAMLR-XXXVII/BG/13 : Autor(es): Delegation of the USA
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Fatty acids composition of spiny icefish Chaenodraco wilsoni in the Bransfield Strait and its implication to local food availability
Abstract: Spiny icefish (Chaenodraco wilsoni) is an important species of crocodile icefish native ... to the high-Antarctic of the Southern Ocean, including the Bransfield Strait. The water mass in the ... , more saline waters of the Weddell Sea over the broad continental shelf near d′Urville and Joinville ... Islands. The local food availability of C. wilsoni may be influenced by those waters. The fatty acids can ...
Meeting Document : WG-FSA-18/76 : Autor(es): Q.Y. Yang, G.P. Zhu and K. Reid