Sierra Madre de Oaxaca pine–oak forests
…from the Sierra Madre del Sur to the southwest and the Trans-Mexican Volcanic Belt to the northwest. The ecoregion is bounded on the east by the humid Oaxacan montane forests, which lie below 1,600 metres (5,200 ft) elevation. To the east, the xeric Tehuacán Valley matorral occupies the Tehuacán valley to the northwest, the…