英语语法分析

For forest, grassland and river ecosystems, phreatophyte should be applied to, promoting the primary succession of the ecosystem.

对于森林、草地、江河等自然生态系统，植被选择应以原生种类为主，以促进生态系统进行原生演替；

The population of Sabina vulgaris are mainly typical mesophyte, secondly the xerophytes, super- xerophytes; the proportion of Phreatophyte is very small.

臭柏种群的植物类型以典型中生植物为主、其次为典型旱生植物，超旱生植物、湿中生植物的比例很小。