pioneer species

基本解释

Tree seedlings of pioneer species and non-pioneers may respond differently to canopy gaps.
先锋种和非先锋种可能对林窗产生不同的反应。
Selection of pioneer species is one of the key factors for the restoration of ecosystem in desertification areas.
先锋树种选择是沙漠化地区生态恢复工作的关键技术之一。
http://www.chazidian.com
The ecological functions of sinking plants, the research on basic theory, and limited factors and pioneer species for the recovery of sinking plants in eutrophicated water body have been reviewed.
文章论述了沉水植物的生态功能，着重介绍了富营养化水体沉水植被恢复的基础理论、限制因子、先锋物种选择研究的进展。