Bolivia's variable altitudes, ranging from  above sea level, allow for a vast biologic diversity. The territory of Bolivia comprises four types of biomes, 32 ecological regions, and 199 ecosystems. Within this geographic area there are several natural parks and reserves such as the Noel Kempff Mercado National Park, the Madidi National Park, the Tunari National Park, the Eduardo Avaroa Andean Fauna National Reserve, and the Kaa-Iya del Gran Chaco National Park and Integrated Management Natural Area, among others.