杉木林下植物多样性对套种黄精和白及的响应
YE Li-min, YE Zi-hao, ZHOU Yi-zhi, CHEN Zheng-lu, XU Yuan-ke. Response of the Understory Plant Diversity to Interplanting Polygonatum cyrtonema and Bletilla striata in Cunninghamia lanceolata Forest[J]. Fujian Agricultural Science and Technology, 2024, 55(1): 42-47. DOI: 10.13651/j.cnki.fjnykj.2024.01.007
Citation: YE Li-min, YE Zi-hao, ZHOU Yi-zhi, CHEN Zheng-lu, XU Yuan-ke. Response of the Understory Plant Diversity to Interplanting Polygonatum cyrtonema and Bletilla striata in Cunninghamia lanceolata Forest[J]. Fujian Agricultural Science and Technology, 2024, 55(1): 42-47. DOI: 10.13651/j.cnki.fjnykj.2024.01.007
杉木林下植物多样性对套种黄精和白及的响应
叶丽敏, 叶子豪2, 周肄智1, 陈郑璐1, 许元科1, ,1. 景宁畲族自治县生态林业发展中心, 浙江 景宁 323500;
2. 浙江农林大学环境与资源学院, 浙江 杭州 311300
详细信息
作者简介:叶丽敏,女,1970年生,高级工程师,主要从事公益林天然林生态功能研究。
通讯作者:许元科,男,1968年生,正高级工程师,主要从事生态保护与修复工作(E-mail:jnxyk026@126.com)。
中图分类号: S791.27
计量 文章访问数: 0427 HTML全文浏览量: 0 PDF下载量: 03 出版历程 收稿日期: 2023-12-19 刊出日期: 2024-01-27Response of the Understory Plant Diversity to Interplanting Polygonatum cyrtonema and Bletilla striata in Cunninghamia lanceolata Forest
1. Ecological Forestry Development Center of Jingning She Autonomous County, Jingning, Zhejiang 323500, China;
2. College of Environment and Resources, Zhejiang A&F University, Hangzhou, Zhejiang 311300, China
摘要
摘要: 林下套种多花黄精Polygonatum cyrtonema、白及Bletilla striata等中药材是林下经济的主要模式之一,具有良好的社会效益和经济效益,但套种对林下植物多样性影响尚不明确。以浙西南杉木林下套种多花黄精、白及4年后和未套种原生态(CK)林地为对象,通过标准地法研究林下灌木、草本和藤本植物的组成、种类、数量。结果表明:套种多花黄精和白及4年后,杉木林下草本植物种类显著增加了17.4%~26.1%(P<0.05),而藤本植物种类显著减少了33.3%(P<0.05);物种优势度指数Simpson、多样性指数Shannon-Weiner、均匀度指数Pielou的变化表现为草本植物显著提高了26.4%~36.1%(P<0.05),而藤本植物则显著下降了29.0%~39.3%(P<0.05);林下灌木植物种类和多样性指数对套种的响应不明显;套种后,林下木质型灌木、藤本和株型较高的植物种类减少,而株型较小的植物种类增加。今后需建立长期定位监测,以掌握套种中药材对林下植物多样性的长期影响,为林下种植的效益评估提供基础。
关键词: 杉木 / 林下套种 / 多花黄精 / 白及 / 植物多样性Abstract: Interplanting the traditional Chinese medicinal herbs such as Polygonatum cyrtonema and Bletilla striata under forest is one of the main modes of under-forest economy, which has good social and economic benefits, but the impact of interplanting on the understory plant diversity is still unclear. By taking the Cunninghamia lanceolata forest interplanted with Polygonatum cyrtonema and Bletilla striata for four years in southwest Zhejiang and the original ecological forest land without interplanting (CK) as the objects, the composition, species and quantity of the understory shrubs, herbs and vines were studied by using the standard land method. The results showed that after 4 years of interplanting Polygonatum cyrtonema and Bletilla striata, the species of herbaceous plants under Cunninghamia lanceolata forest increased significantly by 17.4%-26.1% (P<0.05), while the species of vine plants decreased significantly by 33.3% (P<0.05). The changes of species dominance index Simpson, diversity index Shannon-Weiner and evenness index Pielou significantly increased by 26.4%-36.1% for the herbaceous plants (P<0.05), while decreased by 29.0%-39.3% for the vine plants (P<0.05). The response of understory shrub species and diversity index to interplanting was not obvious. After interplanting, the species of woody shrubs, vines and plants with higher plant types decreased, while the species of plants with smaller plant types increased. In the future, it was necessary to establish the long-term location monitoring to grasp the long-term effects of interplanting Chinese medicinal herbs on the diversity of understory plants, so as to provide a basis for the benefit evaluation of understory planting.
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参考文献(13)
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