Résultats de la recherche
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Stable isotope analysis of Southern Ocean fish tissue samples to investigate trophic linkages of Antarctic toothfish (Dissostichus mawsoni)
Abstract: Flesh tissue samples were collected by scientific observers on-board New Zealand ... and D. Thompson (New Zealand) Title: Stable isotope analysis of Southern Ocean fish tissue samples to ... , sex, and depth. Location and a positive relationship with fish length were usually the only variables ... identified as significant. The isotope data agrees with previous work that the diet of the Antarctic ...
Meeting Document : WG-EMM-07/19 : Auteur(s): M.H. Pinkerton, S. Bury, S.M. Hanchet and D. Thompson (New Zealand)
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Updating the 2017 stock assessment of Antarctic toothfish (Dissostichus mawsoni) in the Ross Sea region
: Content Approved Delegation responsibility for releasing documents: New Zealand ... 88.2AB) will be updated in 2017. The introduction of CM 91-05 (the Ross Sea region Marine Protected Area ...
Meeting Document : WG-SAM-17/41 : Auteur(s): S. Mormede and S. Parker
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Diet of Antarctic toothfish (Dissostichus mawsoni) from the Ross Sea region, Antarctica
examined based on stomach samples obtained from observers on New Zealand fishing vessels in 2003 and 2010 ... relative to grenadiers. Author(s): D.W. Stevens, M.R. Dunn, M.H. Pinkerton and J.S. Forman (New Zealand ... . Overall, the diet of sub-adult toothfish was similar to that of adult toothfish, with a dominance of ... stomach contents of toothfish could be used to detect ecosystem change in the Ross Sea region, with a ...
Meeting Document : WG-FSA-12/52 : Auteur(s): D.W. Stevens, M.R. Dunn, M.H. Pinkerton and J.S. Forman (New Zealand)
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Outline details of the proposed aerial photographic survey at South Georgia for estimating breeding population sizes of land-based predators
predator populations breeding at South Georgia with a view to providing critical data about interactions ... with commercial fisheries. The research will also develop methodologies that reliably assess trends in ... concentrate upon those species where there is a high probability of interaction with fisheries and significant ... develop new methods that reliably estimate predator population sizes whilst minimising the level of ...
Meeting Document : WG-EMM-01/24 : Auteur(s): P. Trathan and D. Briggs (United Kingdom)
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Entanglement of Antarctic fur seals Arctocephalus gazella in man-made debris at Signy Island, South Orkney Islands, 2002/03
sighting of a seal wearing a neck collar of man-made debris. Data are compared with results from a parallel ... study undertaken at Bird Island, South Georgia in 2002/03. In the case of Bird Island, data indicated ... the lowest number recorded at Bird island since1999/00. Although such a decrease is encouraging, the ... presence of the entangled seal at Signy, together with the considerable number of seals with neck collars ...
Meeting Document : SC-CAMLR-XXII/BG/13 : Auteur(s): Delegation of the United Kingdom
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Scientific background document in support of the development of a CCAMLR MPA in the Weddell Sea (Antarctica) – Version 2015 - Part A: General context of the establishment of MPAs and background information on the Weddell Sea MPA planning area
accordance with the recommendations by WG-EMM-14 (SC-CAMLR-XXIII, Annex 6), this was done in three separate ... Committee in 2014. The Scientific Committee had welcomed and endorsed the scientific background document (SC ... ). Part A was further developed in the 2014/15 intersessional period and contains (i) a synopsis in terms ... justification for the development of a marine protected area (MPA) in the Weddell Sea planning area. In ...
Meeting Document : SC-CAMLR-XXXIV/BG/15 : Auteur(s): Delegation of Germany
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Analysis of catch and effort data from the IUU fishing vessel Kunlun
Area in 2014-15 The majority of fishing was undertaken off the Antarctic coast not far from Australia’s ... ) that has an estimated value of $USD3.67 million On average, demersal gillnets used in 2014-15 fishing ... season were approximately 4.3 nautical miles in length and took approximately half an hour to set, with ... the Convention on the Conservation of Antarctic Marine Living Resources Area (CCAMLR Area) in order to ...
Meeting Document : CCAMLR-XXXIV/BG/18 : Auteur(s): Delegation of Australia
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A comparison of acoustic targets at South Georgia and the South Orkney Islands during a season of profound krill scarcity
a new generic target strength (TS) relationship was derived. This relationship was used in ... conjunction with appropriate 120 kHz data to calculate krill density estimates for both survey areas. Krill ... with previously published density estimates krill densities in both regions were extremely low (1.7 and ... . Simultaneous predator diet analyses carried out at Bird Island, South Georgia, confirm the profoundly low ...
Meeting Document : WG-EMM-95/75 : Auteur(s): Watkins, J.L., Brierley, A.S.
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ANNUAL REPORT FROM SCAR TO CCAMLR
gather information on marine biodiversity in the Antarctic, and the CPR Survey continues to grow with ... biennial business and delegates meetings, as well as reports on progress with the Evolution and ... Southern Ocean Observing System (SOOS). SCAR has amalgamated its birds and seals groups into a new Expert ... held in Sapporo from 26 to 31 July 2009, with the theme "Antarctic Biology in the 21st Century ...
Meeting Document : CCAMLR-XXVIII/BG/34 : Auteur(s): Submitted by SCAR
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Revised input parameters and implications for the Antarctic toothfish (Dissostichus mawsoni) stock assessment in Subareas 88.1 and 88.2
update of the numbers of fish scanned at length by New Zealand vessels, and the numbers of tagged fish ... . Hanchet (New Zealand) Title: Revised input parameters and implications for the Antarctic toothfish ... with the location variables. The catch and CPUE indices for the Ross Sea Antarctic toothfish fishery ...
Meeting Document : WG-SAM-07/6 : Auteur(s): A. Dunn and S.M. Hanchet (New Zealand)