Invasive Alien Species Invasive Alien Species About Invasive Alien Species What are Invasive Alien Species? What's the Problem?Why Does it Matter?What Needs to be Done? Programme Background COP Decisions Implementation CBD Toolkit Glossary of TermsDatabasesExperiences, Case Studies, and AssessmentsGuidance and ToolsPartnersInter-Agency Liason Group on Invasive Alien SpeciesNational and Thematic ReportsGIASI PartnershipIAS Photo GalleryActions on IAS Community Forum 2023 Past Activities Related information Meetings Partnership of IslandsPeer review Annexes IAS 2023DocumentsExpertiseNotifications Invasive Alien Species // About Wednesday // 8.1.2007 About Invasive Alien Species This section contains basic information in invasive alien species (IAS) and why they pose a threat to biological diversity. What Are Invasive Alien Species? See the Convention's official definition. More»What is the Problem? IAS are a main cause of biodiversity loss at the global level. More»What Does it Matter? IAS have affected native biota in almost every ecosystem type on Earth. More»What Needs to be Done? There is an urgent need to address the threat of IAS. More»
About Invasive Alien Species This section contains basic information in invasive alien species (IAS) and why they pose a threat to biological diversity. What Are Invasive Alien Species? See the Convention's official definition. More»What is the Problem? IAS are a main cause of biodiversity loss at the global level. More»What Does it Matter? IAS have affected native biota in almost every ecosystem type on Earth. More»What Needs to be Done? There is an urgent need to address the threat of IAS. More»