However, The Mongolian pine height, density, DBH and the height and covering degree of grass under forest highly was not remarkable relevance with bird density, respectively.
树的高度、密度、胸径、森林下草的高度, 草的盖度与鸟类密度相关不显著。
2
The results indicated that the effect of mixed masson pine and oak forest on soil amelioration was the best, that of grass was the second and the pure masson pineforest was the worst.