[1]费菲,肖文娅,刁娇娇,等.林窗尺度对侧柏人工林植物多样性的短期影响[J].南京林业大学学报(自然科学版),2017,41(05):072-78.[doi:10.3969/j.issn.1000-2006.201605001]
 FEI Fei,XIAO Wenya,DIAO Jiaojiao,et al.Short-term influence of forest-gap size on plant diversity in a Platycladus orientalis plantation[J].Journal of Nanjing Forestry University(Natural Science Edition),2017,41(05):072-78.[doi:10.3969/j.issn.1000-2006.201605001]
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林窗尺度对侧柏人工林植物多样性的短期影响
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《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

卷:
41
期数:
2017年05期
页码:
072-78
栏目:
研究论文
出版日期:
2017-09-30

文章信息/Info

Title:
Short-term influence of forest-gap size on plant diversity in a Platycladus orientalis plantation
文章编号:
1000-2006(2017)05-0072-07
作者:
费菲肖文娅刁娇娇管云云关庆伟
南方现代林业协同创新中心,南京林业大学生物与环境学院,江苏 南京 210037
Author(s):
FEI Fei XIAO Wenya DIAO Jiaojiao GUAN Yunyun GUAN Qingwei*
Co-Innovation Center for Sustainable Forestry in Southern China, College of Biology and the Environment, Nanjing Forestry University,Nanjing 210037, Chin
关键词:
侧柏人工林 更新树种 植物多样性 人工林窗尺度
Keywords:
Platycladus orientalis plantation regeneration species plant diversity plantation gap size
分类号:
S718.5
DOI:
10.3969/j.issn.1000-2006.201605001
文献标志码:
A
摘要:
【目的】明晰林窗尺度对侧柏人工林植物多样性的短期影响。【方法】在江苏徐州九里山阳坡面调查开设2 a后的3种尺度林窗(半径4 m林窗,编号S; 8 m林窗,编号M; 12 m林窗,编号L)中的植物多样性。【结果】①与对照样地(林窗附近样地)相比,不同尺度林窗内植物种类均有所增加。其中:灌木层植物在L、M、S林窗中分别增加了4种、7种、2种,草本层植物分别增加了4种、1种、3种,更新树种增加了2种、1种、1种。②除S林窗的灌木层外,林窗中的Margalef指数均显著大于对照样地(P<0.05),灌木层Margalef指数的最大值出现在M林窗,草本层中最大值出现在L林窗; L林窗和M林窗中灌木层的Shannon-Weiner指数显著高于对照样地(P<0.05); L林窗草本层的Pielou均匀度指数显著高于对照样地(P<0.05),并随林窗尺度增大基本呈现降低趋势。【结论】与S和L林窗相比,M林窗(半径8 m)对徐州侧柏人工林植物多样性和更新树种的增加有更大的促进作用。
Abstract:
【Objective】Determine the short-term influence of forest-gap size on plant diversity in a Platycladus orientalis plantation.【Methods】This study investigated plant diversity within three sizes of 2-year-old forest gaps(“S”, “M” and “L”, with radius of 4 m, 8 m, and 12 m, respectively). 【Results】① Species diversity values were higher in all forest-gap plot sizes than those in the control plots. Relative to the control plots, species number increased in the shrub layer by 4,7, and 2. In the herb layer by 4, 1, and 3, and in the canopy layer by 2,1, and 1, in the L, M, and S gaps, respectively. ② With the exception of the shrub layer in the S gap size, diversity values, as measured by the Margalef index, were significantly higher in all forest-gap sizes than those in the control plots. The shrub layer had the highest diversity in the M gaps and the herb layer had the highest diversity in the L gaps. The Shannon-Weiner index showed that species diversity in the shrub layer was significantly greater in the L and M gaps than that in the control plots. The Pielou uniformity index indicated that species evenness in the herb layer was significantly lower in the L gaps than that in the control plots and had a slightly negative relationship with forest-gap size. 【Conclusion】Plant diversity and tree species regeneration in a P. orientalis plantation in Xuzhou City were higher in the M forest gaps than they were in the S and L gaps.

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备注/Memo

备注/Memo:
基金项目:江苏高校优势学科建设工程资助项目(PAPD) 第一作者:费菲(349016079@qq.com)。*通信作者:关庆伟(guanjapan999@163.com),教授。
更新日期/Last Update: 1900-01-01