Gorals seldom feed on Pinus koraiensis, Picea jezoensis, Abies nephralepis ( 1 %, 0.7 % and 1.7 % , respectively ).

斑羚在冬季食红松 、 云杉 、 冷杉较少 ( 1% 、 0.7%、1.7% ).

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Analysis of Seedling Growth Variation and Selection among Families of Pinus ussuriensis Cheng et Y . W.

与凯湖松家系间苗木生长变异规律分析及选择>>相似的文献.

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Research On the Correlation Between Crown Width and D . B . H of Pinus sylvestris var.

与樟子松冠幅与胸径的相关关系分析>>相似的文献.

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Study on the Growth Effect of Interplanting Altingia under the Forest Canopy of Pinus massoniana Lamb.

与马尾松林冠下套种细柄阿丁枫生长效果研究>>相似的文献.

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Community characteristics of Pinus armandii forest on the Qinling Mountains are analyzed by field survey.

通过对秦岭华山松林的野外调查,分析研究了该群落的特征和性质.

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Pineus armandicola Zhang is an important defoliator of armand pine ( Pinus armandi ).

华山松球蚜(PineusarmandicolaZhang)是华山松 ( PinusarmandiFranch ) 的重要食叶性害虫.

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This experiment examined natural population variation in chemical constituents and pulping properties of Pinus massoniana Lamb.

研究马尾松木材化学组分、制浆性能在群体中的变异及不同伐龄木材制浆造纸适应性.

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