Résultats de la recherche
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Warming effects in the Western Antarctic Peninsula Ecosystem: the role of population dynamic models for explaining and predicting penguin trends
Abstract: The Western Antarctica Peninsula and Scotia Sea ecosystems appear to be driven by ... . The Adélie (Pygoscelis adeliae). Chinstrap (P. antarctica) and Gentoo (P. papua) penguins appear to be ... Gentoo penguins appear to be better explained by the “sea-ice hypothesis”. We think that proper ...
Meeting Document : WG-EMM-12/18 : Auteur(s): M. Lima and S.A. Estay (Chile)
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Existing initiatives that provide an extensive framework for research and monitoring in East Antarctica
Abstract: Research and monitoring (RM) plans need to be developed for marine protected areas in ... and monitoring should be achievable in practice. The proposal for the East Antarctica Representative ... could be used as a foundation for a RM Plan for the EARSMPA. All Members are invited to participate in ...
Meeting Document : SC-CAMLR-IM-I/BG/01 : Auteur(s): Delegations of Australia, France and the European Union
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A sensitivity analysis of a simple krill individual-based model designed to investigate length-based recruitment indices
commercial catches. These extremely valuable data may be used to monitor the state of harvested Krill ... annual span (maximum minus minimum) of F40 would be the best index of annual recruitment among those ... tested, and, that length-based indices may be used to determine the timing of recruitment events. However ...
Meeting Document : WG-EMM-13/23 : Auteur(s): S. Thanassekos and K. Reid (Secretariat)
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Plan of research program of the Russian Federation in Subarea 48.5
Subareas. Stock assessment of this area should be calculated basing on the newest and adequate data ... years. Detailed plan of fishing operations, collecting and analysis of data will be provided for the ... Scientific Committee that data-poor area in the future would need to be consistent with the original research ...
Meeting Document : WG-SAM-15/18 : Auteur(s): Delegation of the Russian Federation
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Research program to examine the life cycle and resource potential of Dissostichus species in the Special Research Zone within the Ross Sea region marine protected area (RSRMPA) in 2017–2027
continental slope within the Subarea 88.2 A. The tagging toothfish and recapture tagged fishes to be in ... the Ross Sea region marine protected area. The research program shall be conducted in the Special ... vessels from other CCAMLR country-members. Implementation of this program can be started in the ...
Meeting Document : WG-SAM-17/21 : Auteur(s): Delegation of the Russian Federation
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Long-term observations from Antarctica demonstrate that mismatched scales of fisheries management and predator–prey interaction lead to erroneous conclusions about precaution
Abstract: Low catch limits for forage species are often considered to be precautionary measures ... penguin performance are predicted to be below the long-term average with a probability of 0.77. Catch ... proportion of the species’ standing biomass may not be precautionary for their predators. Author(s): G.M ...
Meeting Document : WG-EMM-2019/11 : Auteur(s): G.M. Watters, J.T. Hinke and C.S. Reiss
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Exploratory analysis of acoustic data from the Ross Sea
could be compared with longline catches. Each ‘line’ recording was between 20 and 50 min long ... . Simulations indicated that at 1500 m depth, the acoustic deadzone would be over 50 m high for a sea-bed with a ... rattails are considered to be demersal species, the inability of the acoustics to ‘see’ close to the bottom ... is a major limitation that could only be avoided with the use of an acoustic system deployed at depth ...
Meeting Document : WG-FSA-SAM 03/9 : Auteur(s): R.L. O’Driscoll and G.J. Macaulay (New Zealand)
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BEACH DEBRIS SURVEY AT CAPE SHIRREFF, LIVINGSTON ISLAND, DURING THE ANTARCTIC SEASON 1996/97
CCAMLR, such as teaching and didactic material to be prepared for crews of several kind of ships which ... conservation of the sea and the biota to be kept in mind by shipbuilders and naval engineers, it is proposed to ... produced on board can be stored, with the respective compartments with the international colour for plastic ... and disembarked would be a matter to be included in the repsective logbooks. Author(s): Delegation of ...
Meeting Document : CCAMLR-XVI/BG/35 : Auteur(s): Delegation of Chile
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By-catch of fish in the krill fishery
fishery may be significant in some areas of the South Georgia shelf. The problem is thought to be least in ...
Meeting Document : WG-KRILL-91/25 : Auteur(s): I. Everson (United Kingdom), A. Neyelov and Y. Permitin (USSR)
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A von Bertalanffy growth model for toothfish at Heard Island fitted to length-at-age data and compared to observed growth from mark–recapture studies
which the population can effectively be considered to be closed (i.e. minimal emigration or ... particu- lar length range, fi sh are less vulnerable to cap- ture, then this assumption will be violated ... below. For most hauls there are far more fi sh than can be measured in practice, even for the ... is considered to be a sample itself, then the Nh fi sh represents a sub- sample and the nh otoliths ...
Science Journal Paper : CCAMLR Science, Volume 14 (CCAMLR Science, Volume 14) : 43–66 : Auteur(s): Candy, S.G., A.J. Constable, T. Lamb and R. Williams