%0 Journal Article
%T Life-forms, cell-sizes and ecological guilds of diatoms in European rivers Formes de vie, tailles de cellule et guildes ¨¦cologiques des diatom¨¦es des rivi¨¨res europ¨¦ennes
%A Rimet F.
%A Bouchez A.
%J Knowledge and Management of Aquatic Ecosystems
%D 2012
%I EDP Sciences
%R 10.1051/kmae/2012018
%X Diatoms are a very diverse group of microalgae that encompass about 100 000 taxa. This makes an excellent bioindicator especially of rivers. The majority of biotic indices based on diatoms are constructed on species pollution-sensitivities. Nevertheless, recent studies showed the interest to use complementary metrics for biomonitoring: life-forms, cell-sizes and ecological guilds. Unfortunately, taxa memberships to such metrics are scattered in numerous floras and papers. Therefore, studies using such metrics often referred to grey literature or home-made checklists. The objective of this paper is to make available to the scientific community an important check-list of taxa frequently observed in European rivers with their memberships to these metrics. After defining these metrics, 1115 taxa were codified using Biofresh and Omnidia codes in an Excel file. Metrics memberships were then explored in a taxonomical framework. It clearly appears that metrics memberships are determined by taxonomy. Life-forms and cell sizes taxa memberships and their study in the framework of evolutionary history of diatoms is a field that is worth studying for a better understanding of diatoms ecology. Such inputs should be beneficial for the future improvement of diatom-based monitoring tools. Les diatom¨¦es sont un groupe tr¨¨s diversifi¨¦ de microalgues, qui comprend plus de 100 000 taxons. Cela en fait un excellent bioindicateur, en particulier des rivi¨¨res. La majorit¨¦ des indices biotiques bas¨¦s sur les diatom¨¦es sont construits sur les polluo-sensibilit¨¦s des esp¨¨ces. N¨¦anmoins, des ¨¦tudes r¨¦centes ont montr¨¦ l¡¯int¨¦r¨ºt d¡¯utiliser des m¨¦triques compl¨¦mentaires pour la bioindication : les formes de vie, les tailles de cellules et les guildes ¨¦cologiques. Malheureusement, l¡¯appartenance des taxons ¨¤ ces diff¨¦rentes m¨¦triques est souvent dispers¨¦e dans de nombreux articles et ouvrages. De plus, les ¨¦tudes utilisant de telles m¨¦triques font souvent r¨¦f¨¦rence ¨¤ de la litt¨¦rature grise et des listes non publi¨¦es. L¡¯objectif de cet article est de rendre disponible ¨¤ la communaut¨¦ scientifique une importante liste de taxons fr¨¦quemment observ¨¦s dans les rivi¨¨res europ¨¦ennes avec leur appartenance ¨¤ ces diff¨¦rentes m¨¦triques. Apr¨¨s avoir d¨¦fini ces m¨¦triques, 1115 taxons ont ¨¦t¨¦ codifi¨¦s en utilisant les codes Biofresh et Omnidia dans un fichier Excel. L¡¯appartenance aux m¨¦triques a ¨¦t¨¦ explor¨¦e dans un cadre taxonomique. Il appara t clairement que l¡¯appartenance des taxons aux m¨¦triques est d¨¦termin¨¦e par la taxonomie. L¡¯appartenance aux formes de vie et aux tailles de cellules et
%K Bacillariophyta
%K biomonitoring
%K check-list
%K metric
%K river
%K Bacillariophyta
%K bioindication
%K liste
%K m¨¦trique
%K rivi¨¨re
%U http://dx.doi.org/10.1051/kmae/2012018