Resultados de la búsqueda
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Effects of sea-ice extent and krill or salp dominance on the Antarctic food web
Abstract: Krill (Euphausia superba) provide a direct link between primary producers and higher ... not a major dietary item for Antarctic vertebrate predators, their blooms can affect adult krill ... relationships between krill, salps and region-wide sea-ice conditions. We have assessed salp consumption as a ... chlorophyll-a that indicate that there is a degree of competition between krill and salps. Our analysis of the ...
Meeting Document : WG-EMM-97/73 : Autor(es): Hewitt, R., Trivelpiece, S., Fraser, W., Holm-Hansen, O., Siegel, V., Trivelpiece, W., Loeb, V.
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Effects of different harvesting strategies on the stock of Antarctic icefish Champsocephalus gunnari around South Georgia
Abstract: The effects of a number of harvesting strategies on the Antarctic icefish ... Champsocephalus gunnari have been simulated for a period of 30 years. These were- diffierent levels of constant ... years after a good recruitment,- pulse fishing at an interval of 3 years with no fishing in between;- a ... of the incoming year class. An increaseof F, however, should not occur before 4 years after a good ...
Meeting Document : SC-CAMLR-VIII/BG/47 : Autor(es): Delegation of Federal Republic of Germany
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Preliminary report on the South Sandwich Island research cruise by RRS Discovery (DY098) in January-February 2019
research cruise consisted of a large scale acoustic survey, following track lines established during the ... midnight). The net samples included a Rectangular Midwater Trawl 8+1, bongo nets and a NEuston MOdified net ... backscatter attributed to krill using a swarms identification algorithm and a summary of the cetacean ... observations. Author(s): S. Fielding, C. Manno, G. Stowasser, B. Apeland, D. Ashurst, A. Ariza, M. Baines, L ...
Meeting Document : WG-EMM-2019/78 : Autor(es): S. Fielding, C. Manno, G. Stowasser, B. Apeland, D. Ashurst, A. Ariza, M. Baines, L. Cornwell, A.B. Hulbert, K.R. Jones-Williams, C. Lacey, E.G. Langan, E.D. McRae, F.A. Perry, S. Pinder, E.J. Rowlands, F. Saccomandi, C. Silverstri, M.E.S. Sørensen, A. Slomska, J. Jackson, E.J Murphy, M. Reichelt, S. Thorpe, P. Trathan and G. Tarling
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CEMP indices and the development of ecosystem assessments
CEMP indices and ecosystem assessments (Table 3 and paragraph 3.55). The following paper provides a ... starting point for such a review, as well as a conceptual approach which may provide a framework for a set ...
Meeting Document : WG-EMM-01/9 : Autor(es): Secretariat
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e-cc-xi-a4.pdf
... Auditor- General or equivalent statutory authority from a Member of the Commission and shall serve for a ... term of two years with a possibility of re-appointment. 8. The Auditor-General for Australia has ... HOME LEAVE ALLOWANCES 9. The Commission agreed at CCAMLR-X to levy a Special Contribution to fund the ... establishing a fund to meet accrued and future obligations to the Secretariat staff. 11. In reviewing this
application/pdf attached to:SCAF-92Meeting Report : SCAF-92
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Focal areas for marine biodiversity protection in KwaZulu-Natal, South Africa. Marine Systematic Conservation Plan Analyses (SeaPLAN): Summary of Results 2011
requires a multi-scalar understanding of marine ecosystems and human activities. To address this challenge ... we developed a multi-resolution marine conservation planning approach and tested the method in the ... and human activities were collected for the inshore, continental shelf and offshore regions. A ... prioritisation process operated a selection from the coast to the offshore domain where more planning options are ...
Meeting Document : WS-MPA-11/12 : Autor(es): T. Livingstone, J. Harris, M. Lombard and E. Lagabrielle (South Africa)
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Beach debris survey – Main Bay, Bird Island, South Georgia 1999/2000
, South Georgia, a total of 408 items was collected. This represents a 92% increase on the total of 213 ... items collected in 1998/99, but is consistent with numbers in years prior to the 1998/99. A dramatic ... 168 items in 1999/2000 and a 40% increase in the number of items collected during summer reflect a ... constituent of all beach debris collected. This is a cause for concern, and suggests that CCAMLR needs to ...
Meeting Document : SC-CAMLR-XX/BG/02 : Autor(es): Delegation of the United Kingdom
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Potential effects of UV-B on krill – experimental and genetic studies
spring surface levels of ultraviolet-B, ultraviolet-A and photosynthetically active radiation, in order ... photosynthetically active radiation 3–5 times below surface irradiance caused krill to die within a week, while ... significantly accelerate mortality and lead to a drop in activity in all experiments. A drop in activity in ... krill exposed to ultraviolet-A wavelengths was evident without an increase in mortality. The protein ...
Meeting Document : WG-EMM-99/24 : Autor(es): S. Newman, S. Jarman, S. Nicol, D. Ritz, H. Marchant, N. Elliot and A. McMinn (Australia)
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REPORT ON THE ABANDONED GILLNET RETRIEVAL OPERATION CONDUCTED BY AUSTRALIA IN CCAMLR STATISTICAL DIVISION 58.4.3B (BANZARE BANK)
gillnets as a fishing method to target toothfish in the Convention area. Estimating the impact of IUU ... fishing is hampered by a lack of data on the design, deployment, catch and bycatch rates of gill nets ... . This paper describes a gillnet found abandoned by Australian vessel patrolling BANZARE Bank ... (Statistical Division 58.4.3b), and the toothfish and bycatch found when a section of the gillnet was retrieved ...
Meeting Document : CCAMLR-XXVIII/BG/22 : Autor(es): Delegation of Australia
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THE NEED FOR TRADE MEASURES IN CCAMLR
Abstract: Last year the Commission considered a proposal for a Conservation Measure concerning ... the adoption of a trade measure that will promote compliance with CCAMLR’s agreed upon rules to bring ... of such a measure is a positive step for CCAMLR. ASOC reviews in this paper the relevant ... international legal framework, and concludes that a measure such as the one proposed does not challenge in any ...
Meeting Document : CCAMLR-XXVII/BG/28 : Autor(es): Submitted by ASOC