研究论文

南方红壤侵蚀区不同恢复阶段下马尾松叶经济型谱特征

  • NING Hong-tao ,
  • TENG Yu ,
  • WANG Yi-fan ,
  • CHEN Ye ,
  • LIN Xin-hong ,
  • LIU Wen ,
  • LI Shou-zhong
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  • (1. 福建师范大学地理科学学院 / 碳中和未来技术学院,福建 福州 350117;2. 福建省长汀县水土保持站,福建 长汀 366300)

收稿日期: 2024-04-14

  录用日期: 2024-05-14

  网络出版日期: 2024-08-23

基金资助

福建省大学生创新创业训练计划项目(S202310394047)

Characteristics of Leaf Economic Phenotypes of Pinus massoniana under Different Stages of Restoration in the Red Soil Erosion Area of Southern China

  • 宁宏涛,腾 渝,王一帆,陈 烨,林欣宏,刘 文,李守中
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  • (1. School of Geographic Sciences / Carbon Neutral and Future Technology Institute, Fujian Normal University, Fuzhou 350117, Fujian China; 2. Changting County Soil and Water Conservation Station, Changting 366300, Fujian China)

Received date: 2024-04-14

  Accepted date: 2024-05-14

  Online published: 2024-08-23

摘要

在生态恢复过程中,植物为了适应环境的变化形成了资源获取与资源保守之间的权衡策略。叶经济型谱的提出为量化和描述植物的资源权衡策略提供了理论基础。本文以南方红壤侵蚀区不同恢复阶段下马尾松Pinus massoniana叶片性状为研究对象,探究生态恢复过程中马尾松叶片性状(比叶面积、叶干物质含量、叶相对含水率、叶全碳含量、叶全氮含量、叶全磷含量)的变化规律与叶片性状之间的相关性,以及不同恢复阶段下叶片性状之间的差异。结果表明,比叶面积、叶全氮含量、叶全磷含量随着恢复阶段演进逐渐上升;叶全碳含量与叶全氮含量、叶全磷含量呈显著负相关;随着恢复的进程,叶性状PCA1轴得分增加。以上结果表明,随着恢复阶段的进行,叶片性状组合由营养保守型性状向营养获取型性状转变。

本文引用格式

NING Hong-tao , TENG Yu , WANG Yi-fan , CHEN Ye , LIN Xin-hong , LIU Wen , LI Shou-zhong . 南方红壤侵蚀区不同恢复阶段下马尾松叶经济型谱特征[J]. 亚热带植物科学, 2024 , 53(3) : 220 -226 . DOI: 10.3969/j.issn.1009-7791.2024.03.005

Abstract

In the process of ecological restoration, plants form a trade-off strategy between resource acquisition and resource conservation in order to adapt to changes in the environment. The proposal of leaf economic phenotypes provides a theoretical basis for quantifying and describing the resource trade-off strategies of plants. In this paper, we took the leaf traits of Pinus massoniana under different stages of restoration in the southern red soil erosion area as the research object, and explored the changing law of leaf traits (specific leaf area, leaf dry matter content, leaf relative water content, leaf total carbon content, leaf total nitrogen content, and leaf total phosphorus content) of P. massoniana in the process of ecological restoration, as well as the correlation between the leaf traits and the differences between the leaf traits under different stages of restoration. The results showed that specific leaf area, leaf total nitrogen content and leaf total phosphorus content gradually increased with the changes of recovery stage; leaf total carbon content was significantly negatively correlated with leaf total nitrogen content and leaf total phosphorus content; and the PCA1 axis scores of leaf traits increased with the increase of recovery stage. The results indicated that the combination of leaf traits in P. massoniana changed from nutrient-conserving traits to nutrient-acquiring traits with the recovery stage.

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