毛乌素沙地沙丘不同固定阶段黑沙蒿叶性状特征

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代远萌¹^,², 李满乐¹^,², 徐铭泽¹^,², 田赟¹^,²^,³^,^*(

), 赵洪贤¹^,², 高圣杰¹^,², 郝少荣¹^,², 刘鹏¹^,²^,³, 贾昕¹^,²^,³, 查天山¹^,²^,³

Leaf traits of Artemisia ordosica at different dune fixation stages in Mau Us Sandy Land

DAI Yuan-Meng¹^,², LI Man-Le¹^,², XU Ming-Ze¹^,², TIAN Yun¹^,²^,³^,^*(

), ZHAO Hong-Xian¹^,², GAO Sheng-Jie¹^,², HAO Shao-Rong¹^,², LIU Peng¹^,²^,³, JIA Xin¹^,²^,³, ZHA Tian-Shan¹^,²^,³

图2. 毛乌素沙地沙丘不同固定阶段对黑沙蒿叶性状的影响(平均值±标准误)。A_max, 最大净光合速率; C:N, 叶碳氮比; LA, 叶面积; LCC, 叶碳含量; LDMC, 叶干物质含量; LNC, 叶氮含量; LPC, 叶磷含量; LT, 叶厚; LTD, 叶组织密度; N:P, 叶氮磷比; SLA, 比叶面积。CV, 变异系数。D1, 半固定沙丘阶段; D2, 固定沙丘阶段; D3, 土壤结皮固定沙丘阶段; D4, 草本植物固定沙丘阶段。

Fig. 2. Effects of different dune fixation stages on leaf traits of Artemisia ordosica in Mau Us Sandy Land (mean ± SE). A_max, maximum net photosynthetic rate; C:N, leaf carbon content to nitrogen content ratio; LA, leaf area; LCC, leaf carbon content; LDMC, leaf dry matter content; LNC, leaf nitrogen content; LPC, leaf phosphorus content; LT, leaf thickness; LTD, leaf tissue density; N:P, leaf nitrogen content to phosphorus content ratio; SLA, specific leaf area. CV, coefficient of variation. D1, semi-fixed dune stage; D2, fixed dune stage; D3, fixed dune covered with biological soil crusts; D4, fixed dune with abundant herbaceous plants.