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Invasive alien species are one of the five greatest threats to the world’s biodiversity and natural resources. But we know too little about alien species in the world’s mountains! With MIREN (Mountain Invasion Research Network), we have therefore created a global survey on invasive alien species in mountain regions that we hope can help us fill in some of these knowledge gaps and also contribute to ongoing initiatives such as the upcoming IPBES report.

The aim of this survey is to get the perspectives from a broad range of stakeholders worldwide (managers, land-owners, farmers, policy makers, conservation, scientists, etc.) on whether and to what extent they view alien invasive species (i.e. plants, animals and microorganisms) as a problem in mountains, thus causing negative impacts on nature and society. We are also interested in which species are seen as the most problematic, what impacts these species have, and who is involved in the management of these species, and what approaches are being taken.