Distribution difference of the birds in the reserve occurred not only on level pattern but also on an altitudinal gradient.
保护区鸟类的分布，不仅在水平格局上存在一定的地域差异，而且在海拔梯度上也有明显的差异。
The diurnal range of temperature indicated a U-shaped pattern along the altitudinal gradient, with a lowest value at the middle elevations (about 1600 m).
月平均的日较差沿着海拔高度变化呈“U”字形，中海拔月平均日较差值最低。
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