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Hal
Article . 2003
Data sources: Hal
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Ripisylves : la biodiversité par l'instabilité.

Authors: DECAMPS H.;

Ripisylves : la biodiversité par l'instabilité.

Abstract

Les ripisylves constituent des foyers reconnus de biodiversité. Elles doivent ce caractère à une forte instabilité hydrologique. Les crues rajeunissent périodiquement les mosaïques végétales riveraines, créant les conditions de leur renouvellement. Les études réalisées à ce jour suggèrent que la richesse spécifique végétale est maximale pour des fréquences de crues intermédiaires et augmente quand la topographie crée une forte variation spatiale de la fréquence des crues. Cependant, cette relation varie en fonction de l'échelle spatiale et du groupe végétal considéré. Les organismes du sol des ripisylves, y compris ceux associés aux racines et aux détritus, demeurent mal connus. Les oiseaux et les mammifères sont les animaux les mieux connus. Il conviendrait de développer une surveillance à long terme des systèmes riverains, notamment en ce qui concerne les espèces envahissantes. La conservation de la biodiversité des zones riveraines suppose le respect de la double identité naturelle et culturelle des ripisylves, ainsi que la prise en compte de leur dimension paysagère.

Country
France
Keywords

BIODIVERSITE, RIPISYLVE, CRUE, [SDV.SA.SF] Life Sciences [q-bio]/Agricultural sciences/Silviculture, forestry

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green