固沙措施对流动沙丘植被和土壤特性的影响
程莉, 宁志英, 杨红玲, 李玉霖

Effects of different sand-fixation measures on vegetation and soil characteristics of high and flat mobile dunes
Li Cheng, Zhiying Ning, Hongling Yang, Yulin Li
表2 平缓流动沙丘不同固沙措施样地中植物物种重要值变化
Table 2 Changes of important values of plant species in the flat mobile dunes with different sand fixation measures
物种重要值
自然恢复种植差不嘎蒿设置草方格沙障
2017年2018年2019年2017年2018年2019年2017年2018年2019年
苍耳0.013
刺蒺0.0060.006
大果虫实0.0430.0070.0150.0190.0170.0380.0550.0190.031
地锦0.0040.0070.0110.006
狗尾草0.1760.1080.2040.1290.0960.1890.2320.1270.381
画眉草0.0030.0170.0020.0360.0180.012
尖头叶藜0.052
苦荬菜0.0020.0030.008
牻牛儿苗0.003
毛马唐0.0200.0210.0440.0330.0330.0610.0930.0940.063
三芒草0.0050.047
沙地旋覆花0.2150.3610.2770.1610.053
沙蓬0.4960.4480.2900.4390.5840.4500.3470.5670.105
砂蓝刺头0.0020.0250.014
菟丝子0.009
雾滨藜0.0780.0330.0250.0550.143
野菽0.006
猪毛菜0.0100.0100.0420.0040.0240.004
猪毛蒿0.0010.0310.015
一年生植物0.9540.9680.9440.6210.8450.8230.9960.9770.806
扁蓿豆0.017
差不嘎蒿0.0200.3430.1510.1420.0120.036
达乌里胡枝子0.0240.0060.1760.0160.0160.122
赖草0.087
芦苇0.0460.0320.0320.0180.014
小叶锦鸡儿0.0030.011
直立黄芪0.0040.020
多年生植物0.0460.0320.0560.3850.1570.3420.0160.0320.282
物种丰富度7101271216101415