气候和土壤特性在全球范围内调节植物枯落物中钾、钙和镁的初始浓度

IF 4.6 1区 环境科学与生态学 Q1 ECOLOGY Functional Ecology Pub Date : 2024-03-31 DOI:10.1111/1365-2435.14558
Ji Yuan, Fuzhong Wu, Qiqian Wu, Petr Heděnec, Yan Peng, Zimin Li, Chaoxiang Yuan, Zemin Zhao, Xia Jin, Siyi Tan, Qiao Yang, Nannan An, Xiangyin Ni, Kai Yue
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引用次数: 0

摘要

枯落物养分的初始浓度不仅会影响接下来的分解过程,还会决定返回土壤的养分数量。本研究旨在评估新落叶中钾(K)、钙(Ca)和镁(Mg)三种宏量营养元素的全球模式和驱动因素。通过综合从 584 篇文献中提取的 5861 个数据点,我们定量评估了不同垃圾类型、生命形式、分类学划分和菌根结合中垃圾钾、钙和镁的浓度。此外,我们还利用机器学习方法,预测了它们在森林、草地和灌木丛中的全球模式。我们发现:(1) 不同类型枯落物的钾、钙和镁的平均浓度分别为 2.63 至 6.23 克/千克、1.05 至 11.50 克/千克和 0.20 至 2.74 克/千克;(2) 枯落物的初始养分受植物功能类型(如生命形式、分类学分部和菌根结合)、气候(如等温线、平均昼夜温差、年蒸散量和降水季节性)和土壤特性(如 pH 值、可交换钙浓度和镁浓度)的显著影响。(3) 与低纬度和/或中纬度地区相比,高纬度地区预测的落叶钾、钙和镁浓度较低。我们的研究在全球范围内全面分析了新落落叶中三种重要宏量营养元素的模式和驱动因素,有助于更好地理解它们在落叶分解过程中的作用,以及在未来气候变化情景下的相关生物地球化学循环。在期刊博客上免费阅读本文的通俗摘要。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

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Climate and soil properties regulate the initial concentrations of potassium, calcium and magnesium in plant litter on a global scale

Read the free Plain Language Summary for this article on the Journal blog.

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来源期刊
Functional Ecology
Functional Ecology 环境科学-生态学
CiteScore
9.00
自引率
1.90%
发文量
243
审稿时长
4 months
期刊介绍: Functional Ecology publishes high-impact papers that enable a mechanistic understanding of ecological pattern and process from the organismic to the ecosystem scale. Because of the multifaceted nature of this challenge, papers can be based on a wide range of approaches. Thus, manuscripts may vary from physiological, genetics, life-history, and behavioural perspectives for organismal studies to community and biogeochemical studies when the goal is to understand ecosystem and larger scale ecological phenomena. We believe that the diverse nature of our journal is a strength, not a weakness, and we are open-minded about the variety of data, research approaches and types of studies that we publish. Certain key areas will continue to be emphasized: studies that integrate genomics with ecology, studies that examine how key aspects of physiology (e.g., stress) impact the ecology of animals and plants, or vice versa, and how evolution shapes interactions among function and ecological traits. Ecology has increasingly moved towards the realization that organismal traits and activities are vital for understanding community dynamics and ecosystem processes, particularly in response to the rapid global changes occurring in earth’s environment, and Functional Ecology aims to publish such integrative papers.
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