...该区域防护林景观中,以松柏混交林(Mixed Alnus—Cupressus forest)面积最大,占27.37%,其次是马尾松纯林(Pinus massoniana forest),占 隐藏>>
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结果表明：松栎混交林对土壤的改良效果最好，草地次之，马尾松纯林则较差。
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 pine forest was the worst.
纯林中马尾松的干生物量基本上为金字塔形，枯枝生物量所占比例为1.75%，而混交林中为4.20%。
The stem biomass of Pinus in the pure forest was of pyramid shape and the deadwood biomass accounted for 1.75%, but 4.20% in the mixed forest.
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