对湖北建始的楠木资源进行实地考察,掌握其种类分布,并利用群落生态学知识对建始楠木群落进行研究分析,对其径级结构、群落组成、生活型谱、区系特征作了阐述.结果显示:建始石门河景区中发现宜昌润楠(Machilus ichangensis Rehd.et Wils.)、白楠(Phoebe neurantha(Hemsl.)Gamble)、刨花润楠(Machilus pauhoi Kanehira)和紫楠(Phoebe sheareri(Hemsl.)Gamble),其中大多为中小型树木.其群落物种丰富,分布较广,但其生境破坏严重,需对楠木资源进行有效合理的保护.%In this study,the Nanmu community in Jianshi,Hubei Province was observed and its distribu-tion was clarified. The Nanmu community in Jianshi was analysed by ecological approaches and its diametre structure,population composition,life-form spectrum and flora traits were found out.The results showed,Machil-us ichangensis Rehd. et Wils., Phoebe neurantha ( Hemsl.) Gamble, Machilus pauhoi Kanehira and Phoebe sheareri (Hemsl.) Gamble were found in Shimen River scenic area of Jianshi and their sizes were mainly small or midium;The Nanmu communities were rich in species and were distributed widely.The habitat of the Nanmu community was destroyed seriously,needing reasonable and effective protection.
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