The fossil recordand evolution of freshwater plants : a review
Palaeobotany applied to freshwater plants is an emerging field of palaeontology. Hydrophytic plants reveal evolutionary trends of their own, clearly distinct from those of the terrestrial and marine flora. During the Precambrian, two groups stand out in the fossil record of freshwater plants: the Cy...
| Autor: | |
|---|---|
| Tipo de recurso: | artículo |
| Fecha de publicación: | 2003 |
| País: | España |
| Institución: | Universitat Autònoma de Barcelona |
| Repositorio: | Dipòsit Digital de Documents de la UAB |
| Idioma: | inglés |
| OAI Identifier: | oai:ddd.uab.cat:86157 |
| Acceso en línea: | https://ddd.uab.cat/record/86157 https://dx.doi.org/urn:doi:10.1344/105.000001619 |
| Access Level: | acceso abierto |
| Palabra clave: | Freshwater algae Aquatic angiosperms Charophytes Evolution Palaeoecology |
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The fossil recordand evolution of freshwater plants : a reviewMartín-Closas, Carles|||0000-0003-4349-738XFreshwater algaeAquatic angiospermsCharophytesEvolutionPalaeoecologyPalaeobotany applied to freshwater plants is an emerging field of palaeontology. Hydrophytic plants reveal evolutionary trends of their own, clearly distinct from those of the terrestrial and marine flora. During the Precambrian, two groups stand out in the fossil record of freshwater plants: the Cyanobacteria (stromatolites) in benthic environments and the prasinophytes (leiosphaeridian acritarchs) in transitional planktonic environments. During the Palaeozoic, green algae (Chlorococcales, Zygnematales, charophytes and some extinct groups) radiated and developed the widest range of morphostructural patterns known for these groups. Between the Permian and Early Cretaceous, charophytes dominated macrophytic associations, with the consequence that over tens of millions of years, freshwater flora bypassed the dominance of vascular plants on land. During the Early Cretaceous, global extension of the freshwater environments is associated with diversification of the flora, including new charophyte families and the appearance of aquatic angiosperms and ferns for the first time. Mesozoic planktonic assemblages retained their ancestral composition that was dominated by coenobial Chlorococcales, until the appearance of freshwater dinoflagellates in the Early Cretaceous. In the Late Cretaceous, freshwater angiosperms dominated almost all macrophytic communities worldwide. The Tertiary was characterised by the diversification of additional angiosperm and aquatic fern lineages, which resulted in the first differentiation of aquatic plant biogeoprovinces. hytoplankton also diversified during the Eocene with the development of freshwater diatoms and chrysophytes. Diatoms, which were exclusively marine during tens of millions of years, were dominant over the Chlorococcales during Neogene and in later assemblages. During the Quaternary, aquatic plant communities suffered from the effects of eutrophication, paludification and acidification, which were the result of the combined impact of glaciation and anthropogenic disturbance.Universitat de Barcelona. Departament d'Estratigrafia, Paleontologia i Geociències Marines 22003-01-0120032003-01-01Articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://ddd.uab.cat/record/86157https://dx.doi.org/urn:doi:10.1344/105.000001619reponame:Dipòsit Digital de Documents de la UABinstname:Universitat Autònoma de BarcelonaInglésengopen accesshttp://purl.org/coar/access_right/c_abf2Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, sempre i quan aquestes es distribueixin sota la mateixa llicència que regula l'obra original i es reconegui l'autoria.https://creativecommons.org/licenses/by-sa/3.0/info:eu-repo/semantics/openAccessoai:ddd.uab.cat:861572026-06-06T12:50:31Z |
| dc.title.none.fl_str_mv |
The fossil recordand evolution of freshwater plants : a review |
| title |
The fossil recordand evolution of freshwater plants : a review |
| spellingShingle |
The fossil recordand evolution of freshwater plants : a review Martín-Closas, Carles|||0000-0003-4349-738X Freshwater algae Aquatic angiosperms Charophytes Evolution Palaeoecology |
| title_short |
The fossil recordand evolution of freshwater plants : a review |
| title_full |
The fossil recordand evolution of freshwater plants : a review |
| title_fullStr |
The fossil recordand evolution of freshwater plants : a review |
| title_full_unstemmed |
The fossil recordand evolution of freshwater plants : a review |
| title_sort |
The fossil recordand evolution of freshwater plants : a review |
| dc.creator.none.fl_str_mv |
Martín-Closas, Carles|||0000-0003-4349-738X |
| author |
Martín-Closas, Carles|||0000-0003-4349-738X |
| author_facet |
Martín-Closas, Carles|||0000-0003-4349-738X |
| author_role |
author |
| dc.contributor.none.fl_str_mv |
Universitat de Barcelona. Departament d'Estratigrafia, Paleontologia i Geociències Marines |
| dc.subject.none.fl_str_mv |
Freshwater algae Aquatic angiosperms Charophytes Evolution Palaeoecology |
| topic |
Freshwater algae Aquatic angiosperms Charophytes Evolution Palaeoecology |
| description |
Palaeobotany applied to freshwater plants is an emerging field of palaeontology. Hydrophytic plants reveal evolutionary trends of their own, clearly distinct from those of the terrestrial and marine flora. During the Precambrian, two groups stand out in the fossil record of freshwater plants: the Cyanobacteria (stromatolites) in benthic environments and the prasinophytes (leiosphaeridian acritarchs) in transitional planktonic environments. During the Palaeozoic, green algae (Chlorococcales, Zygnematales, charophytes and some extinct groups) radiated and developed the widest range of morphostructural patterns known for these groups. Between the Permian and Early Cretaceous, charophytes dominated macrophytic associations, with the consequence that over tens of millions of years, freshwater flora bypassed the dominance of vascular plants on land. During the Early Cretaceous, global extension of the freshwater environments is associated with diversification of the flora, including new charophyte families and the appearance of aquatic angiosperms and ferns for the first time. Mesozoic planktonic assemblages retained their ancestral composition that was dominated by coenobial Chlorococcales, until the appearance of freshwater dinoflagellates in the Early Cretaceous. In the Late Cretaceous, freshwater angiosperms dominated almost all macrophytic communities worldwide. The Tertiary was characterised by the diversification of additional angiosperm and aquatic fern lineages, which resulted in the first differentiation of aquatic plant biogeoprovinces. hytoplankton also diversified during the Eocene with the development of freshwater diatoms and chrysophytes. Diatoms, which were exclusively marine during tens of millions of years, were dominant over the Chlorococcales during Neogene and in later assemblages. During the Quaternary, aquatic plant communities suffered from the effects of eutrophication, paludification and acidification, which were the result of the combined impact of glaciation and anthropogenic disturbance. |
| publishDate |
2003 |
| dc.date.none.fl_str_mv |
2 2003-01-01 2003 2003-01-01 |
| dc.type.none.fl_str_mv |
Article http://purl.org/coar/resource_type/c_6501 VoR http://purl.org/coar/version/c_970fb48d4fbd8a85 |
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info:eu-repo/semantics/article |
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article |
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https://ddd.uab.cat/record/86157 https://dx.doi.org/urn:doi:10.1344/105.000001619 |
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https://ddd.uab.cat/record/86157 https://dx.doi.org/urn:doi:10.1344/105.000001619 |
| dc.language.none.fl_str_mv |
Inglés eng |
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Inglés |
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eng |
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open access http://purl.org/coar/access_right/c_abf2 https://creativecommons.org/licenses/by-sa/3.0/ |
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info:eu-repo/semantics/openAccess |
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open access http://purl.org/coar/access_right/c_abf2 https://creativecommons.org/licenses/by-sa/3.0/ |
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openAccess |
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application/pdf |
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