Résultats de la recherche
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Oceanic debris observations in the southern ocean whale sanctuary, from Antarctic Peninsula to the Ross Sea: December 1994 to March 1995
Abstract: Observations of natural and man-made floating megalitter, macrolitter and mesolitter in ... the Pacific section of the Southern Ocean Whale Sanctuary from December 1994 to March 1995 are ... start and finish of the expedition, especially near the Antarctic Convergence south of the Tasman Sea ... . Man-made megalitter was nowhere common, but was seen mostly near and to the west of the Antarctic ...
Meeting Document : SC-CAMLR-XVI/BG/29 : Auteur(s): ASOC Observer
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Progress report on the Korean exploratory longline fishery for Dissostichus spp. in Division 58.4.1 in 2015/16
scientific researches. The total catch of D. mawsoni was 227,220 kg with 6,642 individuals. The CPUE of D ... . mawsoni recorded 0.31 kg/hook. 1,138 individuals of D. mawsoni and 5 individuals of D. eleginoides were ... tagged and released and additionally satellite archival tags were attached to 5 individuals of D. mawsoni ... . In Division 58.4.1, tagging rate and tag overlap statistics of D. mawsoni were 5.0 and 82 ...
Meeting Document : WG-SAM-16/28 : Auteur(s): Delegation of the Republic of Korea
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Krill fishery report: 2007 update
for krill in Area 48 in the 2006/07 season, and these vessels have taken 61876 t of krill to date. Two ... CCAMLR scientific observers have been deployed. The preliminary estimate of the total catch of krill for ... the season is approximately 111746 t. This compares with 106589 t of krill reported in the STATLANT ... data for 2005/06. With the exception of Korea and Poland, all Contracting Parties have submitted ...
Meeting Document : WG-EMM-07/05 : Auteur(s): Secretariat
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Informative approaches to ageing Antarctic fishes
Abstract: Two concepts can be examined when studying the age of Antarctic fishes. Age can be ... considered in terms of the passage of time (chronological age), and it can also be examined as ' ... ;physiological time'. In this regard otoliths and post-mitotic tissues may contain a large amount of ... examination of otoliths by light and scanning Electron Microscope (SEM) methodology demonstrated that rhythmic ...
Meeting Document : CCAMLR/86/FA/07 : Auteur(s): R.L. Radtke and K.T. Hill (USA)
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Draft MPA Report for the South Orkney Islands Southern Shelf (MPA Planning Domain 1, Subarea 48.2)
established by CCAMLR in 2009 (CCAMLR-XXVIII paragraph 7.1; CM 91-03), with the objective of contributing ... towards the conservation of biodiversity in Subarea 48.2, and to the development of a representative ... system of protected areas across the Convention Area. In 2013, a preliminary draft MPA Report was ... Report contains: a description of the region (including evidence used to designate the MPA); details of ...
Meeting Document : WG-EMM-14/25 : Auteur(s): Delegation of the European Union
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China’s plan for marine investigation and assessment in the East Antarctic sector
Abstract: Given the large scale and hostile condition of the Southern Ocean, which accounts for ... almost 10% of the world ocean, the collection of scientific data and information in support of effective ... field of scientific research in order to extend knowledge of the marine living resources of the ... Antarctic marine ecosystem. As an important component of the Antarctic marine ecosystem, the vast marine ...
Meeting Document : CCAMLR-38/BG/53 : Auteur(s): Delegation of the People’s Republic of China
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Best practice seabird by-catch mitigation for Spanish-rig longline vessels with emphasis on line weighting regimes
Abstract: The Spanish system is used in a range of demersal and semi-pelagic longline fisheries ... throughout the southern hemisphere and has been the source of a large number of seabird fatalities. An ... experiment was conducted on a chartered Spanish-rig vessel to improve the sink rate of longlines to reduce ... interactions with seabirds. The benchmark sink rate was that of integrated weight (IW) longlines, as used by ...
Meeting Document : WG-FSA-06/22 : Auteur(s): G. Robertson (Australia), C.A. Moreno (Chile), B. Wienecke (Australia), P. Gandini (Argentina), G. McPherson (Australia) and J.-P. Seco Pon (Argentina)
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TARGET STRENGTH STUDIES ON ANTARCTIC SILVERFISH (PLEURAGRAMMA ANTARCTICUM) IN THE ROSS SEA
and abundance in the Ross Sea. In this paper we present results of three different studies on ... free swimming fish in their natural habitat. A canvassing of the literature suggested that the type of ... over-all backscatter of 30% (Sun et al. 1985), others that TS measurements on living fish ex situ would ... of Middle Trophic Level of the Ross Sea and several studies have been published on its biology and ...
Meeting Document : SG-ASAM-09/10 : Auteur(s): M. Azzali, I. Leonori, I. Biagiotti, A. De Felice, M. Angiolillo, M. Bottaro and M. Vacchi (Italy)
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Depletion-corrected average catch: a simple formula for estimating sustainable yields in data-poor situations
Abstract: The depletion-corrected average catch (DCAC) formula is an extension of the potential ... -yield formula, and it provides useful estimates of sustainable yield for data-poor fisheries on long ... biomass. The size of the windfall is expressed as being equivalent to a number of years of sustainable ... production, in the form of a “windfall ratio”. The DCAC is calculated as the sum of catches divided by the ...
Meeting Document : WG-SAM-11/P3 : Auteur(s): A.D. McCall
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Draft integrated stock assessment for the Heard Island and McDonald Islands Patagonian toothfish (Dissostichus eleginoides) fishery in Division 58.5.2
the end of 2019 and observations until the end of 2018. The updated assessment model is based on the ... best available estimates of model parameters, the use of abundance estimates from a random stratified ... -2018, and auxiliary commercial composition data to aid with the estimation of year class strength and ... selectivity functions of the trawl, longline and trap sub-fisheries. Compared to the 2017 assessment that was ...
Meeting Document : WG-FSA-2019/32 : Auteur(s): P. Ziegler