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	Provedor de dados ArchiMer (1) Autor Coquille, Valerie (1) Leynaert, Aude (1) Lopez-acosta, Maria (1) Maldonado, Manuel (1) Palavra-chave Seasonal variability (1) Siliceous sponges (1) Silicic acid (1) Silicon consumption kinetics (1) Tipo do documento Text (1) Ano 2018 (1) País France (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Silicon utilization by sponges: an assessment of seasonal changes ArchiMer Lopez-acosta, Maria; Leynaert, Aude; Coquille, Valerie; Maldonado, Manuel. Awareness that sponges are relevant silicic acid (DSi) users is growing; however, understanding how their DSi consumption kinetics perform is still limited. We investigated the effects that seasonal changes in a temperate ecosystem (Bay of Brest, France) have on the DSi consumption of 2 dominant sponge species: Hymeniacidon perlevis and Tethya citrina. The results indicated that while both species increased their rate of DSi utilization with DSi availability following saturable Michaelis-Menten kinetics, only the kinetics of T. citrina shifted seasonally. This species consumed DSi at a higher rate in autumn than in summer. Surprisingly, the increase in DSi utilization did not involve an increase in net affinity for DSi but rather augmentation of both the... Tipo: Text Palavras-chave: Silicic acid; Silicon consumption kinetics; Siliceous sponges; Seasonal variability. Ano: 2018 URL: https://archimer.ifremer.fr/doc/00616/72772/72246.pdf Registros recuperados: 1 Primeira ... 1 ... Última

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