Poster (Scientific congresses and symposiums)
Early detection of alien plants in xeric Natura 2000 sites in Southern Belgium
Monty, Arnaud; Frisson, Gwenn; Mahy, Grégory
2012NEOBIOTA 2012 Halting Biological Invasions in Europe: from Data to Decisions
 

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Keywords :
Invasive species; Xeric habitats; Natura 2000; Invasions
Abstract :
[en] The Natura 2000 network consists of sites designated by the member States of the European Union, under the Habitats and Birds Directives. Setting up that network is one of the biggest challenge in nature conservation in Europe, since habitats and species for which Natura 2000 sites are designated must be maintained in a “favorable conservation status”. Little is known so far, however, about how Natura 2000 sites are invaded by exotics species. Xeric habitats of high biological value included in the Natura 2000 network are among the most species-rich in Southern Belgium. They include calcareous grasslands, sandy meadows, dry heathlands, boxwood stands, siliceous rocks and calcareous rocks. We randomly sampled 15% of sites in each of these six categories (with a minimum of five sites per category) , with a total of 86 sites out of 470 existing sites. In each site, we recorded the presence/absence of 63 alien plants know to develop in xeric habitats (species list based on Verloove (2006) and expert’s personnal observations.), and estimated species cover. 25 naturalized alien plant species were observed in xeric habitats of the Natura 2000 network in Southern Belgium. Generally, alien species populations were still limited.
Disciplines :
Environmental sciences & ecology
Author, co-author :
Monty, Arnaud ;  Université de Liège - ULiège > Forêts, Nature et Paysage > Biodiversité et Paysage
Frisson, Gwenn;  Université de Liège - ULiège > Forêts, Nature et Paysage > Biodiversité et Paysage
Mahy, Grégory ;  Université de Liège - ULiège > Forêts, Nature et Paysage > Biodiversité et Paysage
Language :
English
Title :
Early detection of alien plants in xeric Natura 2000 sites in Southern Belgium
Publication date :
2012
Number of pages :
A0
Event name :
NEOBIOTA 2012 Halting Biological Invasions in Europe: from Data to Decisions
Event place :
Pontevedra, Spain
Event date :
12-14 September 2012
Funders :
DGRNE - Région wallonne. Direction générale des Ressources naturelles et de l'Environnement [BE]
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since 27 November 2012

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