Espèces végétales exotiques et vulnérabilité environnementale : un débat ancien ? Le cas de la Belgique (fin XVIIIe siècle-années 1950)

A decline in vegetal biodiversity is undoubtedly of paramount importance when one has to assess the environmental vulnerability of a specific biotope. Among other well-known menacing factors such as pollution, climate change, land management and war, there is one ingredient that might seem at first sight less discernible, given its vegetal origin: it is the plantation of alien species in parks, gardens and forested settings. For the last forty years, the distressing effects of alien plants on the environment, whether these were invasive species or not, have been the focus of a fiercely debated... Mehr ...