The Pn, E and Gs of Reaumuria soongorica were higher in the morning and afternoon than in the noon.

红砂叶片的净光合速率、蒸腾速率和气孔导度的日变化均为上午和下午较高，中午高温高光时最低。

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The Pn, E and Gs of Reaumuria soongorica were higher in the morning and afternoon than in the noon.

红砂叶片的净光合速率、蒸腾速率和气孔导度的日变化均为上午和下午较高，中午高温高光时最低。

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