This includes semi arid lands such as the Karoo and the Horn of Africa, savannah landscapes such as the Eurasian steppes and the North American Great Plains, and so-called Mediterranean landscapes. Home to a richness of biological diversity, they are also central to the livelihoods of almost 2 billion people. Drylands ecosystems receive very erratic rainfall, and as a result are very fragile.
INTERNATIONAL DAY FOR BIOLOGICAL DIVERSITY
May 21, 2006