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科尔沁沙地封育恢复过程中植物群落特征变化及影响因素
王明明1,2,刘新平1,3,*(),何玉惠4,张铜会1,3,魏静5,车力木格1,2,孙姗姗1,2
How enclosure influences restored plant community changes of different initial types in Horqin Sandy Land
WANG Ming-Ming1,2,LIU Xin-Ping1,3,*(),HE Yu-Hui4,ZHANG Tong-Hui1,3,WEI Jing5,Chelmge 1,2,SUN Shan-Shan1,2

图5. 科尔沁沙地不同类型封育沙地植物群落物种、土壤种子库、土壤养分之间的除趋势对应分析(DCA)和典型相关分析(CCA)。A, 群落物种和土壤种子库的DCA分析。B, 群落物种和土壤因子的CCA分析。C, 土壤种子库物种和土壤因子的CCA分析。FD, 固定沙丘; MD, 流动沙丘; SG, 沙质草地。AK, 土壤有效钾; AN, 土壤有效氮; AP, 土壤有效磷; SM, 土壤水分; SOM, 土壤有机质; TN, 土壤全氮。

Fig. 5. Detrended correspondence analysis (DCA) and canonical correspondence analysis (CCA) among plant community species, soil seed bank and soil nutrients. A, the DCA analysis of community species and soil seed bank. B, the CCA analysis of community species and soil nutrients. C, the CCA analysis of soil seed bank species and soil nutrients. FD, fixed dune; MD, mobile dune; SG, sandy grassland. AK, available potassium; AN, available nitrogen; AP, available phosphorus; SM, soil moisture; SOM, soil organic matter; TN, total nitrogen. Veg, vegtation.