【摘要】 按区组试验设计,在濮鹤高速公路边坡建立了36个植被生态防护效果观测区,测定了植被发芽率,成坪时间,生物量,有效根密度,平均根深,盖度,均匀度,土壤侵蚀量,植被高度等9个指标。结果表明:三维网生态防护对土壤侵蚀量,植物发芽率,成坪时间,生物量,有效根密度,植被盖度,植被均匀度影响极为显著;不同坡向对植被生物量,成坪时间,盖度,均匀度影响极为显著,对有效根密度,侵蚀量影响显著;坡位对坡位对生物量,盖度,土壤侵蚀量影响极为显著,对有效根密度,成坪时间影响显著。三维网,坡向,坡位对植被高度,平均根深,最大根深,根幅影响均不显著。更多还原

【Abstract】 According to group test planning,36 observation plots were established to investigate the ecological protection effects of the vegetations along Puhe freeway slopes 9 indices were measured,such as vegetation germination percentage,time of the law formation,biomass,effective root density,average root length,vegetation coverage,soil erosion.etc.The results showed that three-dimension ecological protective network has the most significant effects on soil erosion,vegetation germination percentage,time of law formation,biomass,effective root density,vegetation coverage;slope aspect has significant effects on vegetation germination percentage,time of law formation,vegetation coverage,and has significant effects on soil erosion,effective root density;slope position has significant effects on biomass,vegetation coverage,soil erosion,and has significant effects on effective root density,time of law fromation;three-dimension net work,slope aspect,slope position have indistinctive effects on average root length,top root length,average vegetation height.更多还原