And under conifer forest, the air-anion concentration and ability of air was higher than broadleafforest.
而且针叶林下的空气负离子浓度和空气质量要好于阔叶林。
2
In the process of secondary succession from conifer - broadleafforest to broadleafforest, species richness fluctuated remarkably.
在针阔混交林向阔叶林演替过程中,物种丰富度指数表现为较大的波动性。
3
In the broadleafforest communities, the broadleaf pollen percentages are near 40%, the conifer are less than 15% while the shrubs and herbs are less than 50%.