Increasing drying changes the relationship between biodiversity and ecosystem multifunctionality.

IF 7.8 1区生物学 Q1 BIOTECHNOLOGY & APPLIED MICROBIOLOGY

npj Biofilms and Microbiomes Pub Date : 2025-05-06 DOI:10.1038/s41522-025-00711-z

Chaoran Li, Jun Hou, Ming Kong, Yu Yao, Tanveer M Adyel, Jun Wu, Guoxiang You, Yue Yu, Songqi Liu, Zijun Yang, Lingzhan Miao

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Abstract

Increased drying of rivers under global climate change is leading to biodiversity loss. However, it is not clear whether biodiversity loss affects river functions. In this study, we investigated the changes in biofilm community diversity and functions in an artificial stream after different drying durations. A critical drying duration of around 60 days was found in the microbial composition and functions. Therefore, different drying durations can be divided into short-term drying (~0-20 days) and long-term drying (~60-130 days) to analyse the effect of biodiversity in terms of ecosystem functions. In summary, the dominant relationship of biodiversity on community stability got uncoupled after long-term drying. Community assembly became dominant in maintaining multifunctionality with increasing drying duration rather than biodiversity as traditionally perceived. This study reveals the importance of community assembly, extending theoretical knowledge of the relationship between biodiversity and ecosystem multifunctionality.

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干旱加剧改变了生物多样性与生态系统多功能性之间的关系。

在全球气候变化的影响下，河流日益干涸，导致生物多样性丧失。然而，目前尚不清楚生物多样性的丧失是否会影响河流的功能。在本研究中，我们研究了人工河流在不同干燥时间后生物膜群落多样性和功能的变化。在微生物组成和功能方面发现了60天左右的临界干燥时间。因此，不同干燥时间可分为短期干燥（~0 ~ 20天）和长期干燥（~60 ~ 130天），从生态系统功能角度分析对生物多样性的影响。综上所述，生物多样性对群落稳定性的主导关系在长期干燥后解耦。随着干燥持续时间的增加，群落聚集成为维持多功能性的主导因素，而不是传统意义上的生物多样性。该研究揭示了群落聚集的重要性，扩展了生物多样性与生态系统多功能性之间关系的理论知识。

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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来源期刊

npj Biofilms and Microbiomes Immunology and Microbiology-Microbiology

CiteScore

12.10

自引率

3.30%

发文量

审稿时长

9 weeks

期刊介绍： npj Biofilms and Microbiomes is a comprehensive platform that promotes research on biofilms and microbiomes across various scientific disciplines. The journal facilitates cross-disciplinary discussions to enhance our understanding of the biology, ecology, and communal functions of biofilms, populations, and communities. It also focuses on applications in the medical, environmental, and engineering domains. The scope of the journal encompasses all aspects of the field, ranging from cell-cell communication and single cell interactions to the microbiomes of humans, animals, plants, and natural and built environments. The journal also welcomes research on the virome, phageome, mycome, and fungome. It publishes both applied science and theoretical work. As an open access and interdisciplinary journal, its primary goal is to publish significant scientific advancements in microbial biofilms and microbiomes. The journal enables discussions that span multiple disciplines and contributes to our understanding of the social behavior of microbial biofilm populations and communities, and their impact on life, human health, and the environment.