Low shrubs usually covered the hilltops and upper slopes but high shrubs and trees might be found in lower slopes or sheltered valley where the soil and water conditions were better.

• 植被的垂直分布明显，低灌林和草地多见于山坡的上半部，而小片的高灌林和树林或可在山坡的下半部或较荫蔽的山谷找到。