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恢复类型决定了红树林湿地土壤碳,和的同步恢复

Dalong Jiang¹, Tao Nie¹, Jing Yan¹

¹Ministry of Education Key Laboratory for Ecology of Tropical Islands, Hainan Provincial Key Laboratory for Tropical Plant and Animal Ecology, College of Life Sciences, Hainan Normal University, Haikou, 571158, China; Hainan Dongzhaigang Mangrove Ecosystem Provincial Observation and Research Station, Haikou, 571129, China.

Journal of environmental management

|May 6, 2025

概括

积极恢复 (AR) 和被动恢复 (PR) 都有助于红树林的恢复,但两者都在三年内在土壤营养方面表现不佳. 这两种方法都是可行的,因为土壤的盐度和细菌丰富性会影响营养水平.

科学领域:

生态生态学生态生态学
环境科学环境科学
恢复生态学恢复生态学

背景情况:

红树林生态系统提供了重要的功能和经济效益.
土壤有机碳 (SOC),总 (TN) 和总 (TP) 是评估红树林恢复成功的关键指标.
积极恢复 (AR) 与被动恢复 (PR) 在营养恢复中的比较有效性仍在研究中.

研究的目的:

为了比较AR和PR在恢复红树林生态系统中的土壤营养素 (SOC,TN,TP) 的有效性.
为了评估在实验场地与天然红树林相比,在三年内恢复营养.
确定影响恢复红树林土壤营养水平的因素.

主要方法:

在四个土壤层 (0-40厘米) 中测量了SOC,TN和TP,遍布AR和PR实验区.
恢复现场的营养水平与附近的天然红树林相比较.
分析了土壤盐度和细菌社区丰富度对营养含量的影响.

主要成果:

恢复的红树林的SOC,TN和TP明显低于自然红树林,这表明需要长期恢复.
在AR和PR站点之间没有发现SOC,TN或TP的显著差异.
在所有地点和深度上,C:N:P的静态度关系保持一致,这表明了密切的元素合.

结论:

无论是AR还是PR都是关于土壤营养恢复的红树林恢复的有效策略.
这些发现挑战了AR在营养恢复方面本质上优于PR的假设.
土壤盐度和细菌丰富是恢复红树林生态系统中营养动态的重要驱动因素,为未来的恢复策略提供信息.

关键词:

细菌社区的丰富性细菌社区的丰富性 C:N:P 立体测量红树林恢复恢复红树林恢复缩放坡度的缩放坡度是什么土壤盐度土壤盐度

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