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http://hdl.handle.net/10261/17212
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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Velo-Suárez, Lourdes | - |
dc.contributor.author | Reguera Ramírez, Beatriz | - |
dc.contributor.author | Garcés, Esther | - |
dc.contributor.author | Wyatt, T. | - |
dc.date.issued | 2009-06-18 | - |
dc.identifier.citation | Marine Ecology Progress Series 385: 87-96 (2009) | en_US |
dc.identifier.issn | 0171-8630 | - |
dc.identifier.uri | 10261/17212 | - |
dc.description | 10 pages, 7 figures, 2 tables | en_US |
dc.description.abstract | This study explores vertical heterogeneities of in situ division rates (μ) of 3 species of Dinophysis and discusses its implications in modelling the population dynamics of these species. Based on a post-mitotic index approach, estimates of μ from vertical net-haul (integrated) samples (μint) were compared with those from a single depth (oceanographic bottle samples) (μz) at the cell maximum during 2 daily cell cycle studies in the Galician Rías Baixas (NW Spain). Additionally, vertical profiles of μz were obtained during a field survey in Ría de Vigo. A 2-fold difference was observed between estimates of μz from the cell maxima and μint from integrated samples under stratified conditions. Differences were much larger when the minimum estimates of μ values from different depths (μmin) were compared within single vertical profiles. An exponential growth model was applied to simulate the dynamics of a D. acuminata population during a daily cycle in June 1994. Results show that actively dividing cells of a target species may be restricted to narrow layers of the water column. Estimates of μ at different relevant depths during cell cycle studies may be key to determining whether if increased numbers of a target species are due to in situ growth or to the balance of imports and exports | en_US |
dc.description.sponsorship | This research was supported by projects HABIT (EU GOCE-CT-2005-003932) and Dinophysis Galicia (CTM2004-0478-CO3-01) and is a contribution to the GEOHAB Programme–Core Research Project on HABs in Stratified Systems. E.G. was supported by a Ramón y Cajal contract from the Spanish Ministry of Science and Education | en_US |
dc.language.iso | eng | en_US |
dc.publisher | Inter Research | en_US |
dc.rights | openAccess | en_US |
dc.subject | Dinophysis | en_US |
dc.subject | Cell cycle | en_US |
dc.subject | In situ division rate | en_US |
dc.subject | Mitotic index | en_US |
dc.subject | Cell maximum | en_US |
dc.subject | Modelling approach | en_US |
dc.title | Vertical distribution of division rates in coastal dinoflagellate Dinophysis spp. populations: implications for modelling | en_US |
dc.type | artículo | en_US |
dc.identifier.doi | 10.3354/meps08014 | - |
dc.description.peerreviewed | Peer reviewed | en_US |
dc.relation.publisherversion | https://doi.org/10.3354/meps08014 | en_US |
dc.identifier.e-issn | 1616-1599 | - |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.languageiso639-1 | en | - |
item.fulltext | With Fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | open | - |
item.openairetype | artículo | - |
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Velo_et_al_2009.pdf | 368,78 kB | Adobe PDF | Visualizar/Abrir |
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