Functional recovery of a subtropical evergreen-deciduous broadleaved mixed forest following clear cutting in central China.
Functional recovery of a subtropical evergreen-deciduous broadleaved mixed forest following clear cutting in central China.
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DOI：
10.1038/s41598-018-34896-5
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发表时间：
2018-11-07
影响因子：
4.6
通讯作者：
Lu X
中科院分区：
文献类型：
--
作者：
Huang Y;Zhang X;Zang R;Fu S;Ai X;Yao L;Ding Y;Huang J;Lu X
生态系统的功能在很大程度上取决于其组成物种的功能特征。以往对生态系统恢复的研究主要集中在分类组成上，对功能群落组成的研究较少。本文研究了亚热带常绿落叶阔叶混交林采伐后功能群落组成的动态变化趋势。结果表明，随着恢复过程的进行，群落功能组成由高比叶面积(CWM_SLA)、叶氮浓度(CWM_LNC)、叶磷(CWM_LPC)、低叶厚(CWM_LT)和茎组织密度(CWM_STD)的群落转变为低CWM_SLA、CWM_LNC和CWM_LPC但高CWM_LT和CWM_STD的群落。常绿树种和落叶树种的功能性状在各个阶段有显著差异。光有效性和土壤磷是恢复过程中最重要的影响因素。研究表明，亚热带常绿落叶阔叶混交林正逐步从资源获取型向资源保护型转变，常绿树种将越来越占主导地位。对森林生态系统的任何管理或养护规划都应结合这一动态的功能变化趋势。
Ecosystem functioning is largely dependent on the functional traits of its component species. Most of the previous researches on ecosystem recovery have mainly focused on taxonomic composition but less attention is concentrated on functional community composition. Here, we examine the dynamic trend of functional community composition along a recovery chronosequence following clear cutting in subtropical evergreen-deciduous broadleaved mixed forest. Results showed that with the process of recovery, the functional composition changed from a community with high specific leaf area (CWM_ SLA), leaf nitrogen concentration (CWM_ LNC) and leaf phosphorus (CWM_ LPC) but low leaf thickness (CWM_ LT) and stem tissue density (CWM_ STD) to that with low CWM_ SLA, CWM_ LNC and CWM_ LPC but high CWM_ LT and CWM_ STD. Functional traits of evergreen and deciduous species were significantly different in each stage. Light availability and soil phosphorus were the most important influencing factors during the recovery. Our study suggests that the subtropical evergreen-deciduous broadleaved mixed forest is gradually shifting from a resource acquisitive to a resource conservative assemblage, in which evergreen species will become more and more dominant. Any management or conservation planning upon the forest ecosystem should integrate this dynamic trend of functional change.
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影响因子：
6.1
作者：
Baribault, Thomas W.;Kobe, Richard K.;Finley, Andrew O.
通讯作者：
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影响因子：
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影响因子：
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影响因子：
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作者：
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