草坪生态系统植物物种多样性与生长量之间的相关关系

doi:10.14088/j.cnki.issn0439-8114.2025.04.022

湖北农业科学 ›› 2025, Vol. 64 ›› Issue (4): 122-129.doi: 10.14088/j.cnki.issn0439-8114.2025.04.022

草坪生态系统植物物种多样性与生长量之间的相关关系

李茂莹, 胡先近, 丁健, 刘宪斌, 马思媛, 和银建

玉溪师范学院化学生物与环境学院,云南玉溪 653100

收稿日期:2024-08-27 出版日期:2025-04-25 发布日期:2025-05-12
通讯作者: 刘宪斌(1981-),男,河北邯郸人,副教授,博士,主要从事热带/亚热带森林生态系统生态学和植物营养学等领域的研究,(电话)15758000985(电子信箱)liuxianbin@yxnu.edu.cn。
作者简介:李茂莹(2002-),女,云南玉溪人,主要从事热带/亚热带森林生态系统土壤碳循环和养分循环领域的研究,(电话)0877-2050539(电子信箱)limaoying720@163.com。
基金资助:
云南省教育厅大学生创新创业训练计划项目(S202411390080); 云南省科技厅科技计划项目基础研究计划地方高校联合专项(202301BA070001-087)

The correlation between plant species diversity and growth in lawn ecosystems

LI Mao-ying, HU Xian-jin, DING Jian, LIU Xian-bin, MA Si-yuan, HE Yin-jian

School of Chemistry, Biology and Environment, Yuxi Normal University, Yuxi 653100, Yunnan, China

Received:2024-08-27 Published:2025-04-25 Online:2025-05-12

摘要/Abstract

摘要： 为研究不同发展演替阶段草坪生态系统结构和功能之间的相关关系,以狗牙根[Cynodon dactylon (L.) Persoon]、匍匐剪股颖(Agrostis stolonifera L.)、多年生黑麦草(Lolium perenne L.)、野牛草[Buchloe dactyloides (Nutt.) Engelm.]、高羊茅(Festuca elata Keng ex E. B. Alexeev)和白花三叶草(Trifolium repens L.)为研究对象,设置保持自然状态和人工去杂两种试验处理,调查其不同发展演替阶段植物物种多样性和生长量的变化。结果表明,不同发展演替阶段和不同试验处理中,草坪生态系统植物物种多样性和生长量之间的相关关系各异：初期,两者之间在6种草坪、2种试验处理中均呈线性正相关关系;中期,两者之间在保持自然状态试验处理中呈单峰曲线相关关系,在人工去杂试验处理中无明显相关关系;后期,两者之间在所有保持自然状态试验处理中呈单峰曲线相关关系,在50%的人工去杂试验处理中呈线性负相关关系,而剩下的50%则无明显相关关系。

关键词: 草坪草, 植物物种多样性, 植物生长量, 线性相关关系, 单峰曲线相关关系

Abstract: To study the correlation between the structure and function of lawn ecosystems at different development and succession stages, bermuda grass [Cynodon dactylon (L.) Persoon], creeping bentgrass (Agrostis stolonifera L.), perennial ryegrass (Lolium perenne L.), buffalograss [Buchloe dactyloides (Nutt.) Engelm.], tall fescue (Festuca elata Keng ex E. B. Alexeev) and white clover (Trifolium repens L.) were used as the research objects, two experimental treatments of “maintaining natural state (MNS)” and “manually removing weeds (MRW)” were established, and the changes in plant species diversity and growth at different development and succession stages were investigated. The results showed that the correlation between plant species diversity and growth in lawn ecosystems varied in different development and succession stages and different experimental treatments: At the initial stage, a linear positive correlation occurred between the two variables in six types of lawn ecosystems and two experimental treatments; at the intermediate stage, a single-hump correlation appeared between the two variables in the experimental treatment of MNS, while no obvious correlation was found in the experimental treatment of MRW; at the late stage, a single-hump correlation arose between the two variables in all the experimental treatments of MNS, a linear negative correlation emerged in 50% of the MRW experimental treatments, and no obvious correlation was found in the remaining 50%.

Key words: turfgrass, plant species diversity, plant growth, linear correlation, single-hump correlation

中图分类号:

S688.4

李茂莹, 胡先近, 丁健, 刘宪斌, 马思媛, 和银建. 草坪生态系统植物物种多样性与生长量之间的相关关系[J]. 湖北农业科学, 2025, 64(4): 122-129.

LI Mao-ying, HU Xian-jin, DING Jian, LIU Xian-bin, MA Si-yuan, HE Yin-jian. The correlation between plant species diversity and growth in lawn ecosystems[J]. HUBEI AGRICULTURAL SCIENCES, 2025, 64(4): 122-129.

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草坪生态系统植物物种多样性与生长量之间的相关关系

The correlation between plant species diversity and growth in lawn ecosystems

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