2) secondary natural Pinus tabulaeformis forest
油松天然次生林
1.
Gap features and renewal dynamics in secondary natural Pinus tabulaeformis forest in hilly loess region.;
黄土丘陵区油松天然次生林林窗特征与更新动态
5) secondary Pinus massoniana forest
马尾松天然次生林
1.
Secondary Pinus massoniana forest is the main forest type of Qiandao Lake.
马尾松天然次生林是千岛湖的主要森林植被类型 ,虽具独特风韵 ,但生物多样性低、稳定性差、生态功能脆弱 ,面临松毛虫和松材线虫的致命威胁。
6) secondary forest
天然次生林
1.
Under the similar site condition, the secondary forest and the mixed plantations had greater water conservation function and better maintenance of soil fertility than the pure stands did.
在相同的立地条件下,天然次生林和混交林具有更好的维持地力作用和更高的水源涵养功能。
2.
Aims We studied root morphology across the first five branch orders of 20 hardwood tree species from secondary forest in northeastern China.
该文根据细根分枝等级划分方法,研究了东北帽儿山天然次生林20个阔叶树种1～5级根直径、根长和比根长等形态指标。
补充资料：松林听涛
松林听涛
在梅岭有一片松树密林，面积约5oo亩，1968～197o年成林，空间变化丰富，放眼望去，满目苍翠，风过处送来阵阵松海涛声。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。