研究了阜新新邱露天矿排土场植被恢复过程中主要种群的生态位特征,结果表明：（1）在研究区域内,猪毛菜（Artemisia scoparia）的生态位宽度最大,对资源的利用能力最强,对环境的适应性也是最强的,与伴生物种的重叠值也是很高的,但并没有出现明确的关系;（2）黄花蒿（Artemisia annua）与羊草（Aneurolepidium chinense）,蒙古蒿（Artemisia mongolia）与早熟禾（Poa annua）之间的生态位重叠最高,说明它们对空间资源的利用效率比较高,能充分利用资源;（3）猪毛菜、黄花蒿、蒙古蒿同属于菊科草本植物,对环境的生存条件比较相似,所以它们存在较强的竞争关系。这些结论有助于了解生态恢复中的种群生态适应性。%The niche characteristics of main population under vegetation recovery were studied in Xinqiu open-pit dump of Fuxin city.Result shows that：（1） In this study area,Artemisia scoparia whose niche breadth is the largest,not only have the strongest utilization ability for resource,but also have the strongest adaptation to environment;the overlap value between Artemisia scoparia associated species is very high.However,there has been no clear relationship;（2） Artemisia annua Aneurolepidium chinense,Artemisia mongolia Poa annua all have the highest niche overlap.This indicates that they all have much higher efficiency on space resources;（3）Artemisia scoparia,Artemisia annua,Artemisia mongolia which belong to herbaceous plants of Asteraceae have their similar living conditions to environment,so there is a strong competition among them.These findings help to understand the ecological adaptation for populations under ecological restoration.
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