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Latest version published on Jun 28, 2016
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Les variations chromosomiques concernent 90% des Ptéridophytes et 50 à 60% des Angiospermes. Il s’agit de processus fondamentaux de différenciation et de spéciation. Sur le plan taxonomique ces variations chromosomiques ont largement contribué à améliorer les classifications tandis que sur le plan évolutif, la compréhension de ces variations a permis de mieux cerner l’origine et l’histoire de certains groupes. Ainsi la base de données MARS-CYTO de l’Université d’Aix-Marseille a pour objectif de mettre à la disposition des chercheurs, via le portail du Gbif, les nombres chromosomiques et les informations relatives aux témoins herbiers, support de ces cytotypes. Cette base concerne essentiellement la flore du Bassin Méditerranéen : flore endémique insulaire, flore de Provence (SE. France), espèces rares et menacées et espèces invasives en France. Elle comporte également quelques monographies. Chromosomal changes concern 90% of pteridophytes and 50-60% of angiosperms. These are fundamental processes of differentiation and speciation. Concerning taxonomy, these chromosomal variations have contributed significantly to the improvement of classifications, while from an evolutionary standpoint the understanding of these variations has helped us to better identify the origin and history of certain groups. Thus the goal of the MARS-CYTO database of the University of Aix-Marseille, available via the GBIF portal, is to make available to researchers chromosome numbers and related information about plant specimens (herbarium) supporting these cytotypes. This database covers mainly the flora of the Mediterranean Basin: endemic flora of Mediterranean islands, flora of Provence (south-east France), rare and endangered species and invasive species in France. This database also contains several monographs.

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To the extent possible under law, the publisher has waived all rights to these data and has dedicated them to the Public Domain (CC0 1.0). Users may copy, modify, distribute and use the work, including for commercial purposes, without restriction.

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Contacts

Who created the resource:

Bruno Vila
MARS herbarium Curator
Aix-Marseille Université Institut Méditerranéen de Biodiversité et d'Ecologie (UMR CNRS 7263) Faculté des Sciences Saint-Charles, case 4 13331 Marseille FR +33 04.13.55.12.29

Who can answer questions about the resource:

Bruno Vila
MARS herbarium Curator
Aix-Marseille Université Institut Méditerranéen de Biodiversité et d'Ecologie (UMR CNRS 7263) Faculté des Sciences Saint-Charles, case 4 13331 Marseille FR +33 04.13.55.12.29

Who filled in the metadata:

Bruno Vila
MARS herbarium Curator
Aix-Marseille Université Institut Méditerranéen de Biodiversité et d'Ecologie (UMR CNRS 7263) Faculté des Sciences Saint-Charles, case 4 13331 Marseille FR +33 04.13.55.12.29

Who else was associated with the resource:

User
Bruno Vila
MARS herbarium Curator
Aix-Marseille Université Institut Méditerranéen de Biodiversité et d'Ecologie (UMR CNRS 7263) Faculté des Sciences Saint-Charles, case 4 13331 Marseille FR +33 04.13.55.12.29

Additional Metadata

Alternative Identifiers 4521e9af-e6c4-4f0c-9701-f2cd0c279b32
http://ipt.gbif.fr/resource?r=test_eml2