先锋物种

选择合适的先锋物种进行植被修复是逐步治理土壤侵蚀，改善生态环境的可行途径。

The feasible countermeasure was put forward : chooses the appropriate pioneer species to carry on the vegetation repair .

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。

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 .

草类作为r型生态对策的先锋物种，在生态恢复和重建中作用显著，干旱瘦薄地种草明显优于种树。

As the r_bionomic strategies species , the grasses have an importance role in the restoration of degraded ecosystems .

研究发现这种现象主要存在于某些先锋植物物种和苔原生态系统中，因为那里传粉的昆虫很少。

It is found particularly in pioneer weed species and in ecosystems such as the tundra , where insect vectors are rare .