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作 者 ：刘煊章 田大伦 康文星 方海波

期 刊 ：林业科学 1997年 33卷 zk2期 页码：61-66

关键词：第二代杉木林；生物量；生产力；

Keywords:Chinese fir second generation, Biomass, Productivity,

摘 要 ：在湖南会同杉木人工林生态系统定位站试验区内，研究了第二代7年生杉木幼林的生物量和生产力，并与第一代同龄杉木幼林作了比较。结果表明，第二代杉木林比第一代杉木林生物量减少14.18t/hm²，净生产力减少2.04t／hm²·a,减少幅度达31.47％。应引起林业工作者的高度重视。

Abstract:Biomass and productivity of a 7—year second generation of Chinese fir plantation were studied in Huitong ecological station of Hunan Province，and compared with the same aged stand of first generation．The results showed that biomass of the second gen-eration of Chinese fir stand decreased 14.18t/hm²,net productivity decreased 2.04 t/hm²·a than those of the first generation，and the decrease range reached 31.47％．Therefore more attentions should be paid by foresters．

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