PENG Shunlei,CHEN Changdong,LI Lei,et al.Comparison of Community Characteristics Between Quercus variables Forests Through Artificial Restoration and Natural restoration in Baotianman Nature Reserve[J].Research of Soil and Water Conservation,2016,23(06):265-270.
宝天曼自然保护区栓皮栎林人工恢复与天然恢复效果比较
- Title:
- Comparison of Community Characteristics Between Quercus variables Forests Through Artificial Restoration and Natural restoration in Baotianman Nature Reserve
- Keywords:
- Quercus variables; planted forest; secondary natural forest; importance value; species diversity; soil physical and chemical property
- 分类号:
- Q948.1
- 摘要:
- 为比较宝天曼自然保护区内栓皮栎林人工恢复天然恢复的差异，采用样地调查法对相同恢复年限的栓皮栎人工林与天然次生林的物种组成、重要值、多样性指数和土壤性质等群落特征指标进行了比较研究。结果表明：（1）栓皮栎人工林群落具有维管束植物12科18属24种，次生林群落具有维管束植物27科40属48种，两个群落相似性较低（0.36）；（2）栓皮栎次生林乔木层和灌木层物种的重要值比人工林低，乔木层和灌木层的物种数较人工林多；（3）栓皮栎人工林与次生林群落的乔木层、灌木层和草本层的Maglef指数、Shannon-Wiener指数、Simpson和Pielou均匀度指数相比均较低，人工林的4个多样性指数大小依次为灌木层、草本层、乔木层，天然次生林指数大小表现依次为灌木层、乔木层、草本层；（4）栓皮栎次生林的土壤全氮、全磷、有机质含量比人工林均较高。研究表明在宝天曼自然保护区内，相同恢复的年限，栓皮栎天然次生林无论物种组成、多样性指数、群落结构和土壤理化性质均优于栓皮栎人工林，天然恢复比人工造林恢复效果好。
- Abstract:
- To understand the difference of community characteristics between the planted Quercus variables forest and secondary natural forest, and to provide reference for forest restoration, plot survey method was used to compare the community characteristics, such as species composition, important value, diversity indexes and soil properties of Quercus variables planted forest with secondary natural forest in the same age of 50 years in Baotianman Nature Reserve. The results showed as follows. (1) Quercus variables secondary natural forest consisted of 48 vascular species in 27 families and 40 genera, whereas the planted forest included 24 vascular species in 12 families and 18 genera, similarity index was very low with value of 0.36 between two communities. (2) important value in the arbor and shrub layers of Quercus variabilis secondary natural forest were lower than that of planted forest, which indicated that species richness in the arbor and shrub layers of Quercus variabilis secondary natural forest was greater than that of planted forest. (3) The Maglef index, Simpson index, Shannon-Weiner index and Pielou evenness index of arbor, shrub and herb of Quercus variables planted forest were lower than those of secondary natural forest. In the planted forest, the four diversity indexes were in the order:shrub layer > herb layer > arbor layer, while in secondary forest the indexes were in the order:shrub layer > arbor layer > herb layer. (4) Soil bulk density of Quercus variables natural secondary was lower than that of the planted forest, the TN, TP and SOM of Quercus variables natural secondary forest were greater than those of the planted forest. This study suggested that species composition, diversity index, community structure and soil properties of Quercus variables secondary natural forest were better than planted Quercus variables forest at the same restoration ages, and forest natural restoration was more superior than afforestation in Baotainman Nature Reserve.
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备注/Memo
收稿日期:2016-02-29;改回日期:2016-03-23。
基金项目:河南省教育厅科学技术研究重点项目（12B180023）；河南省科技攻关计划项目（162102310247）
作者简介:彭舜磊(1974-),男,河南驻马店人,副教授,博士,主要研究方向:森林生态学。E-mail:pengshunlei@163.com