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在纯种植系统中,内部特异性相互作用破坏了Dalbergia odorifera的营养动态和多因素反应 (干旱和盐度)

El-Hadji Malick Cisse^1,2,3, Jing-Jing Zhou¹, David Fleisher³

¹Center for Eco-Environment Restoration Engineering of Hainan Province, School of Ecology, Hainan University, Haikou 570228, China.

Tree physiology

|August 12, 2025

概括

沿海森林树如Dalbergia odorifera在干旱和盐度下经历了增长和光合作用减少. 压力和更高的种植密度加剧了这些影响,影响了森林管理.

科学领域:

林业林业林业林业林业
植物生理学植物生理学
生态生态学生态生态学

背景情况:

沿海森林生态系统面临着严重的非生物压力因素,如干旱和盐度.
这些压力影响着树种的分布,生存和生理功能.
内部特定的生物因素,如种植密度,可以影响应激反应.

研究的目的:

研究Dalbergia odorifera的营养动态和生态生理反应.
评估单个和联合干旱和盐度压力的影响.
评估三种不同的纯种植密度对应激反应的影响.

主要方法:

在受控压力条件下对Dalbergia odorifera进行实验研究.
评估生物质,光合作用,氧化应激标志物和营养含量.
实施了各种种植密度,以模拟植物间的竞争.

主要成果:

盐度和干旱压力都显著减少了生物质和光合作用,增加了氧化压力.
综合压力 (干旱,盐度和高种植密度) 显示出协同作用的负面影响.
种植密度增加加剧了压力影响,特别是营养压力 (Na +,K +),表明竞争相互作用.

结论:

结合非生物压力和高种植密度,对Dalbergia odorifera构成严重的风险.
植物间的竞争加剧了干旱和盐度的负面影响.
这些发现对于在不断变化的环境条件和极端天气下管理沿海木质物种至关重要.

关键词:

无生物应激应激是一种非生物应激.矿物流是指矿物流的流量.多因素压力是多因素的压力.植物植物动态植物动态有协同效应的效应.

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