陆地生态系统植物碳、氮和磷含量对增温的响应: Meta分析

doi:10.13287/j.1001-9332.202409.001

应用生态学报 ›› 2024, Vol. 35 ›› Issue (9): 2527-2534.doi: 10.13287/j.1001-9332.202409.001

陆地生态系统植物碳、氮和磷含量对增温的响应: Meta分析

黄路路, 周慧玲, 王启帆, 赵欣然, 陈锦辉, 游成铭, 徐琳, 谭波, 徐振锋, 徐红伟^*

四川农业大学林学院碳汇研究中心/长江上游林业生态工程四川省重点实验室, 成都 611130

收稿日期:2023-12-12 接受日期:2024-03-12 出版日期:2024-09-18 发布日期:2025-03-18
通讯作者: * E-mail: xuhongwei16@sicau.edu.cn
作者简介:黄路路, 女, 2000年生, 硕士研究生。主要从事森林土壤生态过程研究。E-mail: 18391762924@163.com
基金资助:
国家自然科学基金项目(42307571)和四川农业大学科研启动费(2222996046)

Responses of plant carbon, nitrogen, and phosphorus content in terrestrial ecosystems to warming: A Meta-analysis

HUANG Lulu, ZHOU Huiling, WANG Qifan, ZHAO Xinran, CHEN Jinhui, YOU Chengming, XU Lin, TAN Bo, XU Zhenfeng, XU Hongwei^*

Carbon Sink Research Center, College of Forestry, Sichuan Agricultural University/Sichuan Key Laboratory of Upper Yangtze River Forestry Ecological Engineering, Chengdu 611130, China

Received:2023-12-12 Accepted:2024-03-12 Online:2024-09-18 Published:2025-03-18

摘要/Abstract

摘要： 本研究采用Meta分析方法,整合发表在全球的55篇文章的264组数据,研究增温时间和增温强度对植物碳、氮、磷含量的影响。结果表明: 增温显著降低植物地上碳(效应值为-1.7%)、地下碳(-4.0%)、枯落物碳(-3.7%)、地上氮(-7.0%)和枯落物氮(-6.4%)含量。在生态系统类型水平上,增温显著降低草地植物地上碳(-0.8%)、地上氮(-5.9%)、地下碳(-7.4%)、枯落物碳(-2.1%)和枯落物氮(-13.4%)含量,而显著增加灌丛植物地上碳(2.7%)和森林的枯落物磷(42.4%)含量。短期增温(<5年)降低植物地上碳(-0.4%)、地上磷(-0.4%)和枯落物氮(-13.4%)含量,而中长期增温(5～10年)增加植物地上碳(0.6%)、地上磷(20.2%)和枯落物氮(6.2%)含量。0～2 ℃增温强度增加植物地上磷(10.1%)和地下磷(27.4%)含量,而>2 ℃增温强度降低植物地上磷(-3.7%)和地下磷(-6.5%)含量。植物地上碳和地上氮的效应值与湿度指数呈显著正相关。增温对陆地生态系统植物碳、氮和磷含量均表现为负效应,且这种影响受增温时间和增温强度的调节。

关键词: 增温, 植物养分含量, 养分利用效率, 生态系统功能, Meta分析

Abstract: We conducted a Meta-analysis with 264 datasets from 55 publications to investigate the effects of warming duration and intensity on plant carbon, nitrogen and phosphorus contents. The results showed that warming significantly reduced shoot carbon (effect value of -1.7%), root carbon (-4.0%), litter carbon (-3.7%), shoot nitrogen (-7.0%) and litter nitrogen contents (-6.4%). For different ecosystem types, warming significantly decreased shoot carbon (-0.8%), shoot nitrogen (-5.9%), root carbon (-7.4%), litter carbon (-2.1%), and litter nitrogen content (-13.4%) in grasslands, while significantly increased shoot carbon (2.7%) in scrublands and litter phosphorus content (42.4%) in forests. Short-term warming (<5 years) decreased shoot carbon (-0.4%), shoot phosphorus (-0.4%) and litter nitrogen (-13.4%) contents, while medium- to long-term warming (5-10 years) increased shoot carbon (0.6%), shoot phosphorus (20.2%) and litter nitrogen (6.2%) contents. The 0-2 ℃ warming intensity increased shoot phosphorus (10.1%) and root phosphorus (27.4%) contents of plants, while the >2 ℃ warming intensity decreased shoot phosphorus (-3.7%) and root phosphorus (-6.5%) content. The effect values of plant shoot carbon and shoot nitrogen were significantly and positively correlated with humidity index. Warming showed negative effects on plant carbon, nitrogen and phosphorus contents in terrestrial ecosystems, and such effects were moderated by the duration and intensity of warming.

Key words: warming, plant nutrient content, nutrient use efficiency, ecosystem function, Meta-analysis

黄路路, 周慧玲, 王启帆, 赵欣然, 陈锦辉, 游成铭, 徐琳, 谭波, 徐振锋, 徐红伟. 陆地生态系统植物碳、氮和磷含量对增温的响应: Meta分析[J]. 应用生态学报, 2024, 35(9): 2527-2534.

HUANG Lulu, ZHOU Huiling, WANG Qifan, ZHAO Xinran, CHEN Jinhui, YOU Chengming, XU Lin, TAN Bo, XU Zhenfeng, XU Hongwei. Responses of plant carbon, nitrogen, and phosphorus content in terrestrial ecosystems to warming: A Meta-analysis[J]. Chinese Journal of Applied Ecology, 2024, 35(9): 2527-2534.

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陆地生态系统植物碳、氮和磷含量对增温的响应: Meta分析

Responses of plant carbon, nitrogen, and phosphorus content in terrestrial ecosystems to warming: A Meta-analysis

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