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Potential further considerations on the conditioning of operating models of Atlantic Bluefin Tuna ArchiMer
Kimoto, A; Walter, Jf; Sharma, R; Rouyer, Tristan.
ICCAT BFTWG completed the stock assessment using multiple stock assessment methods in 2017, and they are going to proceed with the MSE process: development of MP in 2018. It is well recognized that the performance results of MPs often depend on the design of the OM and its conditioning that capture the range of potential population dynamics. It is therefore critical to consider them carefully before moving to the development of MP, but this has been a monumental task given the complexity of ABFT. The ICCAT GBYP Core modelling group has developed the OM by incorporating the mixing between two stocks, and the trial specifications. However, the 2017 stock assessment raised a number of issues that may require further consideration for the OMs, particularly...
Tipo: Text Palavras-chave: Bluefin tuna; Conditioning; Operating model; Uncertainty; Management procedure; MSE.
Ano: 2019 URL: https://archimer.ifremer.fr/doc/00484/59607/62624.pdf
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UPLC-MSE Profiling of Phytoplankton Metabolites: Application to the Identification of Pigments and Structural Analysis of Metabolites in Porphyridium purpureum ArchiMer
Juin, Camille; Bonnet, Antoine; Nicolau, Elodie; Berard, Jean-baptiste; Devillers, Romain; Thiery, Valerie; Cadoret, Jean-paul; Picot, Laurent.
A fast and high-resolution UPLC-MSE analysis was used to identify phytoplankton pigments in an ethanol extract of Porphyridium purpureum (Pp) devoid of phycobiliproteins. In a first step, 22 standard pigments were analyzed by UPLC-MSE to build a database including retention time and accurate masses of parent and fragment ions. Using this database, seven pigments or derivatives previously reported in Pp were unequivocally identified: beta,beta-carotene, chlorophyll a, zeaxanthin, chlorophyllide a, pheophorbide a, pheophytin a, and cryptoxanthin. Minor amounts of Divinyl chlorophyll a, a chemotaxonomic pigment marker for prochlorophytes, were also unequivocally identified using the database. Additional analysis of ionization and fragmentation patterns...
Tipo: Text Palavras-chave: Carotenoid; Chlorophyll; Dereplication; Divinyl chlorophyll a; Galactosyldiacylglycerol; Gracilamide; Mass spectrometry; MSE; Phytoplankton; Pigment; Porphyridium purpureum; UPLC.
Ano: 2015 URL: http://archimer.ifremer.fr/doc/00269/37994/36069.pdf
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