Tree architecture varies with forest succession in evergreen broad-leaved forests in Eastern China
Tree architecture varies with forest succession in evergreen broad-leaved forests in Eastern China
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中国东部常绿阔叶林树木结构随森林演替变化
DOI：
10.1007/s00468-014-1054-6
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发表时间：
2015-02
影响因子：
2.3
通讯作者：
Wang Xihua
中科院分区：
文献类型：
--
作者：
Yan Enrong;Chang Scott X.;Da Liangjun;Wang Xihua
KeymessageVertical and temporal patterns of tree architecture and their relationship with woody plant crown exposure index varied with sustaination in万年青broadleaf forests. Abstract通过森林演替将树木构型的时间模式与光照条件的变化联系起来对于理解植物适应策略是很重要的。我们确定垂直（树冠，亚树冠，和林下物种）和时间（先锋种、演替中期种和顶极种）树高、茎断面积、树冠面积和深度、叶片覆盖度、叶片会聚度的格局（丛生与分散的叶子）和树枝的伸展方向（垂直，倾斜枝和水平枝）及其与树冠暴露指数的关系在中国东部亚热带万年青阔叶林的3个演替系列中，木本植物的优势度最高。该系列包括三个阶段：次生灌丛（早期），年轻（中期）和顶极森林（后期演替阶段）。在3个演替阶段中，冠层乔木的树高、冠面积和冠深、茎基径和叶片覆盖度最大，次冠层乔木次之，林下植物最小;上述参数及散叶和斜枝比例均为顶极>演替中期>先锋种。丛生叶和垂直枝的比例则为先锋种>演替中期种>顶极种。在不同演替阶段，林下树种与冠层树种之间的分支伸展方向和叶片会聚度的变化规律并不一致。树高、树冠面积和深度、叶片覆盖度和茎基直径与垂直方向不同的树种和演替树种的CEI均呈正相关。林龄和CEI对树体构型有交互作用（p< 0.01）。总之，树木构型随森林垂直结构和演替状态的变化而变化。树木的建筑特征的CEI和林龄的大变异反映了一个强大的控制光的可用性，影响生物量分配策略的树木。我们的研究表明，光诱导的树木构型的变化可能会导致物种共存，通过垂直空间的分歧，以及通过森林演替的物种更替。
Key messageVertical and temporal patterns of tree architecture and their relationship with woody plant crown exposure index varied with succession in evergreen broad-leaved forests in eastern China.AbstractLinking temporal pattern of tree architecture with changing light conditions through forest succession is important for understanding plant adaptive strategies. We determined vertical (canopy, sub-canopy, and understory species) and temporal (pioneer, mid-successional, and climax species) patterns of tree height, stem basal area, crown area and depth, leaf coverage, leaf convergence (clumped vs. dispersed leaves) and stretch direction of branches (vertical, leaned and horizontal branches) and their relationship with crown exposure index (CEI) for woody plants among three successional series in subtropical evergreen broad-leaved forests in eastern China. The series included three stages: secondary shrub (early-), young (mid-) and climax forests (late-successional stage). Tree height, crown area and depth, stem basal diameter and leaf coverage were the greatest in canopy trees, intermediate in sub-canopy trees, and the smallest in understory plants among the three successional stages; the above parameters and the proportions of dispersed leaves and leaned branches were climax > mid-successional > pioneer species. In contrast, the proportions of clumped leaves and vertical branches were pioneer > mid-successional > climax species. Between canopy and understory species, the patterns of branch stretch direction and leaf convergence were not consistent among the three successional stages. Tree height, crown area and depth, leaf coverage, and stem basal diameter were positively correlated with CEI for both vertically different species and successional species. Tree architectural traits were interactively affected by forest age and CEI (p< 0.01). In conclusion, tree architecture varies with changes in both forest vertical structure and successional status. The large variability of tree architectural traits in relation to CEI and forest age reflects a strong control of light availability that affects biomass allocation strategies of trees. Our study demonstrated that light induced shift in tree architecture may result in species coexistence through divergence of vertical space, as well as species replacement through forest succession.
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中国东部亚热带森林次生演替过程中土壤净氮矿化和硝化的时间格局
影响因子：
4.9
作者：
Wang, Xi-Hua;Guo, Ming;Li, Yong-Fu;Zhou, Wu;Yan, En-Rong;Zhong, Qiang
通讯作者：
Zhong, Qiang
影响因子：
2.7
作者：
McCulloh, Katherine A.;Meinzer, Frederick C.;Domec, Jean-Christophe
通讯作者：
Domec, Jean-Christophe
DOI：
10.1007/s004680050172
发表时间：
1998-06
期刊：
Trees
影响因子：
--
作者：
D. A. King
通讯作者：
D. A. King
影响因子：
7.3
作者：
D. Woodruff;B. Bond;F. Meinzer
通讯作者：
D. Woodruff;B. Bond;F. Meinzer
DOI：
10.1073/pnas.1012194108
发表时间：
2010-12-28
影响因子：
11.1
作者：
Savage, V. M.;Bentley, L. P.;von Allmen, E. I.
通讯作者：
von Allmen, E. I.