巴丹吉林沙漠不同林龄梭梭（ <strong><i>Haloxylon ammodendron</i></strong> ）气体交换对增温的适应策略

巴丹吉林沙漠不同林龄梭梭（ Haloxylon ammodendron ）气体交换对增温的适应策略

杨杰, 薛浩, 杨淇越, 冯相艳, 王玉哲

Adaptation strategies of gas exchange to temperature increase of different ages of Haloxylon ammodendron in Badain Jaran Desert

Jie Yang, Hao Xue, Qiyue Yang, Xiangyan Feng, Yuzhe Wang

表1 不同林龄梭梭植株特征

Table 1 Survey of Haloxylon ammodendron samples at different ages

林龄/a	高度/cm	基茎/mm	枯死率/%	东西冠幅/cm	南北冠幅/cm
5	101.61±4.01^a	19.81±0.91^a	0.50±0.06^a	85.83±3.93^a	84.78±3.19^a
10	237.33±8.61^b	48.01±2.47^a	1.67±0.33^a	186.17±11.06^b	238.06±11.54^b
20	334.56±10.41^c	88.62±4.85^a	53.33±1.33^b	306.44±12.91^c	327.61±14.39^c
30	453.80±9.55^d	161.29±20.95^b	67.59±1.71^c	531.60±57.60^d	610.20±50.40^d
40	522.67±32.84^e	242.35±10.94^b	85.57±2.01^d	777.00±98.43^e	792.67±111.12^e