Résultats de la recherche
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Notification for scientific research in 2019/20 under CM 24-01: Proposal for a winter longline survey of Antarctic toothfish in the northern region of Subareas 88.1 and 88.2
up in the spring, may provide access to a productive pagophilic ecosystem for feeding as well as a ... further east and north of the CCAMLR Convention area, which is bounded by latitude 60°S. Obtaining a ... spawning season is needed. We propose to conduct a scientific survey during the austral winter in the ... biological samples from a range of locations in the northern regions of Subarea 88.1 and 88.2 and begin in ...
Meeting Document : WG-SAM-18/09 : Auteur(s): Delegation of New Zealand
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Proposal for a winter longline survey of Antarctic toothfish in the northern region of Subareas 88.1 and 88.2
up in the spring, may provide access to a productive pagophilic ecosystem for feeding as well as a ... further east and north of the CCAMLR Convention Area, which is bounded by latitude 60°S. Obtaining a ... spawning season is needed. We propose to conduct a scientific survey during the austral winter in the ... biological samples from a range of locations in the northern regions of Subarea 88.1 and 88.2 and begin in ...
Meeting Document : WG-FSA-18/40 : Auteur(s): Delegation of New Zealand
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Conserving pattern and process in the Southern Ocean: designing a marine protected area for the Prince Edward Islands
Abstract: South Africa is currently proclaiming a Marine Protected Area (MPA) in the Exclusive ... ) contribute to a national and global representative system of MPAs; (2) serve as a scientific reference point ... petrels. This study employs systematic conservation planning methods to delineate a MPA within the EEZ ... species, benthic habitats and ecosystem processes, we used C-Plan software to delineate a MPA with three ...
Meeting Document : CCAMLR-XXV/BG/16 : Auteur(s): Delegation of South Africa
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Modelling growth of Antarctic krill: a new approach to describing the growth trajectory
from population-level data consisting of modal lengths obtained from a time sequence of length ... a step-growth function that combines models of instantaneous growth rate (IGR) at moult calibrated ... from direct measurements of individual pre- and post-moult krill sampled from the wild with a model of ... from the Indian Ocean sector we model IGR as a function of pre-moult length and season using linear ...
Meeting Document : WG-EMM-05/27 : Auteur(s): S. Candy and S. Kawaguchi (Australia)
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Is our attempt to estimate biomass of Antarctic fish from a multi-species survey appropriate for all targeted species? Notothenia rossii in the Atlantic Ocean sector – revisited
this species was one of the first conservation measures CCAMLR adopted in 1985. Fish biomass within a ... CCAMLR Subarea or part of a subarea is commonly estimated targeting a number of species including N ... violated in the case of N. rossii which shows an abundance which is extremely skewed in that a large ... acoustic survey combined with a number of identification hauls might be the most promising approach to ...
Meeting Document : WG-FSA-03/12 : Auteur(s): K.-H. Kock (Germany), M. Belchier (United Kingdom) and C.D. Jones (USA)
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Preliminary results of a feeding trial on the blue-eyed shag Phalacrocorax atriceps
Abstract: Local fish species were used to feed a captive blue-eyed shag Phalacrocorax atriceps ... otolith-lengths. The shag produced a total of 16 pellets, with a frequency of 1 every 2.5 days. It ... ingested willingly a mean ration equivalent to 31% of its mass, which is a higher energy requirement than ... -Oro and P. Silva (Argentina) Title: Preliminary results of a feeding trial on the blue-eyed shag ...
Meeting Document : WG-CEMP-94/29 : Auteur(s): R. Casaux, M. Favero, E. Barrera-Oro and P. Silva (Argentina)
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Towards a Minimum Realistic Model for investigating trophic relationships between Antarctic toothfish and demersal fish in the Ross Sea, Antarctica
Abstract: We report on progress towards developing a Minimum Realistic Model for investigating ... in the Ross Sea, Antarctica. These demersal fish are known to form a part (in some cases a ... substantial part) of the diet of Antarctic toothfish of a size commonly taken by the Ross Sea fishery and are ... and toothfish. A Minimum Realistic Model is the most appropriate modeling approach to investigate what ...
Meeting Document : WG-SAM-10/21 : Auteur(s): M.H. Pinkerton, S. Mormede and S.M. Hanchet (New Zealand)
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A review of the energetic density of zooplankton and nekton species of the Southern Ocean
capacity of marine ecosystems to support stocks of living resources. This paper provides a summary of a ... review on currently available Southern Ocean energetic density data. This review is a result of the ... on the diet and energetics of Southern Ocean species is collected to form a centralised database ... Putte Title: A review of the energetic density of zooplankton and nekton species of the Southern Ocean ...
Meeting Document : WG-EMM-18/P17 : Auteur(s): F.L. Schaafsma, Y. Cherel, H. Flores, J.A. van Franeker, M.A. Lea, B. Raymond and A.P. van de Putte
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A review of methodologies aimed at avoiding and/or mitigating incidental catch of protected seabirds.
fisheries interactions have been released in a variety of local, national and international media. Recent ... published reviews in the field of bycatch mitigation have typically had a species or fishing method focus ... . This report presents the results of the seabird component of a global review of mitigation methods ... influencing the appropriateness and effectiveness of a mitigation device include the fishery, vessel, location ...
Meeting Document : WG-FSA-05/P8 : Auteur(s): Bull, L.
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A method for inferring movement rates of fish from mark–recapture data
time is known. The simplest approach is to make a frequency plot of the distance between each release ... being able to allow a much richer description of movement than is available with the frequency of ... distances approach. In addition, it also provides a way to generate a movement model that is parameterized ... , which includes uncertainty that can readily be integrated into a population simulation. If the goal of ...
Meeting Document : WG-FSA-05/66 : Auteur(s): C. Wilcox (Australia)