La Tour du Valat

Institut de recherche pour la conservation des zones humides méditerranéennes

Titre :	Flora and lepidoptera fauna adversely affected by invasive Lupinus polyphyllus along road verges
Auteurs :	Anu Valtonen, Auteur ; Juha Jantunen, Auteur ; Kimmo Saarinen, Auteur
Type de document :	Article
Dans :	Biological Conservation (133(3) DEC 2006)
Article en page(s) :	389-396
Langues:	Anglais
Résumé :	An increasing number of invasive species are changing ecosystems around the world. Road verges have commonly become the first footholds of non-native species in the new environments. Regularly mown road verges also offer habitats for meadow flora and fauna, which in Europe have suffered from the radical decline of semi-natural biotopes due to the agricultural modernization. We studied impacts of an invasive plant Lupinus polyphyllus on the plant and Lepidoptera species composition along road verges. The plant species composition was studied on 15 sites (with 1 m(2) quadrats) and butterflies and diurnal moths along 15 transects (with weekly censuses) in SE Finland, each site and transect representing equally lupine invaded verge and an adjacent non-lupine verge. The species richness and diversity of flora and the cover and species richness of low growing (

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