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土壤碳池和微生物网络稳定性耗尽,与中国东南部的湿地转化为水产养殖池相关

Ning Hou¹, Qingsong Zeng², Weiqi Wang¹

¹Key Laboratory of Humid Subtropical Ecological-Geographical Processes, Ministry of Education, Fujian Normal University, Fuzhou, Fujian 350117, China.

The Science of the total environment

|October 3, 2024

概括

将湿地转化为水产养殖池显著降低了土壤有机碳 (SOC) 和微生物网络的稳定性. 保护和恢复这些重要的生态系统可以增强碳捕获,减轻气候变化.

科学领域:

生态生态学生态生态学
环境科学环境科学
微生物学微生物学

背景情况:

湿地是具有高土壤碳密度的关键碳汇.
近年来,水产养殖的湿地发生了广泛的退化.
这种息地转型会影响土壤碳池和微生物社区的稳定性.

研究的目的:

在回收的河口湿地分析土壤微生物群落结构和网络稳定性.
研究微生物介导的调节土壤有机碳 (SOC) 的机制.
为了比较中国东南部的自然湿地与人造水产养殖池.

主要方法:

来自自然湿地和水产养殖池的土壤样本的比较分析.
评估土壤有机碳 (SOC) 含量.
评估土壤微生物群落的多样性 (ACE,Chao1,Shannon指数) 和网络结构 (共发生网络).

主要成果:

与自然湿地相比,水产养殖池的SOC含量明显较低.
在水产养殖池中观察到细菌和真菌多样性和网络复杂性的减少.
参与分解和碳循环的关键真菌和细菌族群的丰度下降.

结论:

将湿地转化为水产养殖池导致土壤碳池的大量丧失.
在水产养殖的湿地回收后,土壤微生物网络的稳定性受到损害.
沿海湿地的保护和恢复对于增强碳储存和缓解气候变化至关重要.

关键词:

水产养殖池的水产养殖池.同时发生的网络.沿海湿地沿海湿地土地使用变化土壤微生物土壤微生物土壤有机碳土壤有机碳

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