公路路域植物表型可塑性浅析  

Analysis on the Plant Phenotypic Plasticity around the Road Region

作　　者：王丹[1] 屈越强 关卫省[1] 杨莉[1] 

机构地区：[1]长安大学环境科学与工程学院,陕西西安710054

出　　处：《新疆环境保护》2015年第2期38-44,共7页Environmental Protection of Xinjiang

基　　金：交通运输部科技项目"低碳环保和安全智能技术在宝汉高速公路的推广应用"子课题山区高速公路生态环保技术应用(2012318361110)

摘　　要：近年来我国公路里程数增加,机动车辆的数量也迅速增长,造成的公路污染对路域植物生长产生影响。植物表型可塑性作为植物对环境的一种适应,反映了植物受到污染后性状发生的变化。选择国道210线富县段路域植物为研究对象,通过对植物多样性调查,对样地内三种优势植物的根长、株高、叶面积、根冠比等表型可塑性指标及样地土壤含水量、交通量和滞尘量进行测定,得出路域植物的表型可塑性变化趋势,并进行简要分析。Highway mileage increases in recent years,causing traffic pollution,which will impact the growth of plants around the road. Plant phenotypic plasticity is a kind of adaptation to the environment,and it reflects characteristic changes of plants after pollution. Road region plants around the Fu county state of 210 th national highway were chosen as the object of the present study. Based on plant diversity survey,several phenotypic plasticity indexes of three dominant plants in sample plots were determined,including height,root length,leaf area and root- shoot ratio,and environmental parameters such as soil water content,traffic volume and the amount of dust absorption were also investigated. Phenotypic plasticity trend of the plant in the road region was studied and briefly analyzed.

关 键 词：路域植物 表型可塑性 植物生长 

分 类 号：X734[环境科学与工程—环境工程] X173