Databases

The Global Invasive Species Database (GISD) is a free source of information about invasive alien species. It covers all taxonomic groups from micro-organisms to animals and plants, in all ecosystems. The GISD aims to increase public awareness about introduced species that negatively impact biodiversity, and to facilitate effective prevention and management activities by providing easy access to authoritative invasive species information.

The African elephant is the largest living land mammal. It once inhabited most of the continent, from the Mediterranean coast down to its south tip. This picture of elephant range today is one of scattered, fragmented populations south of the Sahara Desert. Estimates suggested that elephant populations had more than halved in several areas between 1981-87.