LI Hui,QIAN Jinping,CHEN Hui,et al.Effects of Enclosure on Community Characteristics and Species Diversity in Hongsongwa Natural Reserve[J].Research of Soil and Water Conservation,2017,24(04):274-278,283.
围栏封育对红松洼自然保护区草原植物群落特征及多样性的影响
- Title:
- Effects of Enclosure on Community Characteristics and Species Diversity in Hongsongwa Natural Reserve
- 分类号:
- Q948
- 摘要:
- 以红松洼自然保护区草原植物群落为研究对象，采用样方法对研究区2012—2016年连续5年围栏封育植被进行了调查分析。结果表明：围封5年的植物群落优势种并未发生明显更替变化，但随围封年限增加，围栏内优势种及其他物种的重要值发生改变，其中地榆（Sanguisorba officinalis）、裂叶蒿（Artemisia tanacetifolia）重要值明显增加，细叶苔草（Carex rigescens）降低最多。围栏封育使植物群落的高度、盖度、生物量均明显增加（p < 0.05）。从不同经济类群分析，其优良牧草类、药用类植物比例增加，而杂类草比例相对下降。围封5年，植物群落丰富度指数、物种多样性指数、均匀度指数显著增加（p < 0.05）。
- Abstract:
- A field survey was conducted to investigate the vegetation community characteristics and species diversity of enclosure with the quadrat method in Hongsongwa Natural Reserve for 5 years from 2012 to 2015. The results showed that the dominant species of the plant community did not change significantly during the five years of enclosure, but with the increaseof enclosure age, the important values of the dominant species and other species in the fence changed. In particular, Sanguisorba officinalis， Artemisia tanacetifolia increased significantly, and Carex rigescens decreased most. The height, coverage and aboveground biomass of plant communities increased obviously (p<0.05). From the analysis of different economic groups, the proportion of excellent forages and medicinal plants increased, while the proportion of miscellaneous grass decreased. The plant community richness index, species diversity index and evenness index increased significantly (p<0.05) after five years of enclosure.
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备注/Memo
收稿日期:2016-12-19;改回日期:2017-01-13。
基金项目:国家环境保护公益性行业科研专项“全国生物多样性野外监测示范基地”（201209036）；河北省自然科学基金资助项目（D2013205187）
通讯作者:钱金平(1963-),男,山东滕州人,教授,主要从事环境生态学研究。E-mail:hbsdhbs@163.com