| Titre | No limit? The multiphasic uptake of silicic acid by benthic diatoms |
| Type de publication | Journal Article |
| Year of Publication | 2009 |
| Auteurs | Leynaert, A, S Longphuirt, N, Claquin, P, Chauvaud, L, Ragueneau, O |
| Journal | Limnology and oceanography |
| Volume | 54 |
| Pagination | 571–576 |
| ISSN | 0024-3590 |
| Mots-clés | Algae, Bacillariophyta, Biomass, Heterokontophyta, Kinetics, Marine environment, Phytobenthos, Silicic acid, Uptake |
| Résumé | Silicic-acid uptake kinetics for a field population of benthic diatoms were examined using a radioisotope tracer over a concentration range of 0-300 μmol L-1. The microphytobenthos half saturation constant (54 μmol L-1) and specific uptake rates (0.096 h-1) for silicic acid were well above those usually found in the pelagic environment. Silicic-acid kinetics were hyperbolic only at low concentrations ( |
| URL | http://cat.inist.fr/?aModele=afficheN&cpsidt=21261580 http://dx.doi.org/equipe4 |