Bolivian montane dry forests
| Bolivian montane dry forests (NT0206) | |
|---|---|
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| Ecology | |
| Realm | Neotropical |
| Biome | Tropical and subtropical dry broadleaf forests |
| Geography | |
| Area | 8,029 km2 (3,100 sq mi) |
| Countries | Bolivia |
| Coordinates | 18°22′01″S 65°02′20″W / 18.367°S 65.039°WCoordinates: 18°22′01″S 65°02′20″W / 18.367°S 65.039°W |
| Climate type | Cwb: warm temperate, winter dry, warm summer |
The Bolivian montane dry forests (NT0206) is an ecoregion in Bolivia on the eastern side of the Andes. It is a transitional habitat between the puna grasslands higher up to the west and the Chaco scrub to the east. The habitat is under severe stress from a growing human popuation.
The ecoregion is in the dry mountain valleys of the Andes in southern Bolivia. It has an area of 8,028,963 hectares (19,840,000 acres). In the south large areas of the ecoregion are found within the Central Andean puna and Southern Andean Yungas. To the east the dry forests transition into the Dry Chaco ecoregion. Further north smaller areas of the ecoregion are found in contact with the Central Andean dry puna, Central Andean wet puna and Bolivian Yungas.
The terrain is rugged, with cliffs, steep hillsides, valleys and gullies. Altitudes are from 360–700 metres (1,180–2,300 ft) above sea level. In the east fingers of the dry forest stretch into the yungas, while in the west fingers of puna grassland extend into the dry forest.
At a sample location at 18°45′S 65°15′W / 18.75°S 65.25°W the Köppen climate classification is "Cwb": warm temperate, winter dry, warm summer. At this location the mean monthly temperatures range from 13.5 °C (56.3 °F) in July to 18.8 °C (65.8 °F) in November. Yearly total precipitation is about 580 millimetres (23 in). Average monthly precipitation is below 10 millimetres (0.39 in) in May-August, and rises to 137.4 millimetres (5.41 in) in January.
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