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Author Correction: The carbon hoofprint of cities is shaped by geography and production in the livestock supply chain 作者更正:城市的碳足迹是由地理和畜牧业供应链中的生产决定的
IF 27.1 1区 地球科学 Q1 ENVIRONMENTAL SCIENCES Pub Date : 2025-11-17 DOI: 10.1038/s41558-025-02509-5
Benjamin P. Goldstein, Rylie E. O. Pelton, Dimitrios Gounaridis, Jennifer Schmitt, Nathaniel Springer, Joshua P. Newell
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引用次数: 0
Anthropogenic enhancement of subsurface soil moisture droughts 人为增强地下土壤水分干旱
IF 27.1 1区 地球科学 Q1 ENVIRONMENTAL SCIENCES Pub Date : 2025-11-14 DOI: 10.1038/s41558-025-02458-z
Yansong Guan, Xihui Gu, Aiguo Dai, Tianjun Zhou, Xing Yuan, Ashok K. Mishra, Jakob Zscheischler, Yadu Pokhrel, Lunche Wang, Jianfeng Li, Shengzhi Huang, Sijia Luo, Liangwei Li, Dongdong Kong, Xiang Zhang
Anthropogenic climate change has exacerbated soil moisture droughts globally, yet this exacerbation in their spatiotemporal evolution in terms of soil vertical structure remains unclear. Here we propose a Lagrangian four-dimensional tracking framework to identify a type of spatial (horizontal and vertical)–temporal contiguous drought events, that is, deep droughts characterized by bottom-heavy deep-dominated shapes, with more extensive moisture deficits in deep than surface soils. These deep droughts, accounting for a quarter of total events, are ignored in surface-based soil moisture monitoring. Both reanalyses and climate models show significantly increasing duration and intensity of the deep droughts over the past four decades, attributable to anthropogenic climate change. Relative to the past, future deep droughts are projected to become longer-lasting and more intense globally, with larger increases in deeper soil layers under higher-emission scenarios. These deep droughts hidden below the surface pose challenges for satellite-based agricultural drought monitoring and cause an underestimation of adverse impacts of droughts on ecosystems. How the conditions in soil layers below the surface change is not well understood. Here the authors assess changes in subsurface soil moisture, finding that these droughts also become more persistent and intense than surface droughts.
人为气候变化加剧了全球土壤水分干旱,但这种加剧在土壤垂直结构方面的时空演变尚不清楚。本文提出了一个拉格朗日四维跟踪框架,用于识别一种空间(水平和垂直)-时间连续干旱事件,即以底部重的深度主导形状为特征的深度干旱,深层土壤的水分亏缺比表层土壤更广泛。这些占总干旱事件四分之一的深度干旱在基于地表的土壤湿度监测中被忽略了。再分析和气候模式都显示,在过去40年里,由于人为气候变化,深度干旱的持续时间和强度显著增加。与过去相比,预计未来全球深度干旱将变得持续时间更长,强度更大,在高排放情景下,深层土壤的增加幅度更大。这些隐藏在地表以下的深度干旱给基于卫星的农业干旱监测带来了挑战,并导致对干旱对生态系统的不利影响的低估。地表以下土层的情况是如何变化的还不清楚。在这里,作者评估了地下土壤湿度的变化,发现这些干旱也比地表干旱更加持续和强烈。
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引用次数: 0
Hidden deep soil moisture droughts 深藏土壤水分干旱
IF 27.1 1区 地球科学 Q1 ENVIRONMENTAL SCIENCES Pub Date : 2025-11-14 DOI: 10.1038/s41558-025-02493-w
Yunqiang Wang, Zimin Li
Anthropogenic climate change is exacerbating soil moisture droughts globally, but most studies only consider surface layers. Now, a study reveals that global soil moisture droughts are often also found in deeper layers, and that in a warming climate deep soil moisture droughts are projected to become longer lasting and more severe.
人为气候变化正在加剧全球土壤水分干旱,但大多数研究只考虑表层。现在,一项研究表明,全球土壤水分干旱通常也发生在更深层,而且在气候变暖的情况下,预计深层土壤水分干旱将持续更长时间,更加严重。
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引用次数: 0
Why longer seasons with climate change may not increase tree growth 为什么随着气候变化而延长的季节可能不会增加树木的生长
IF 27.1 1区 地球科学 Q1 ENVIRONMENTAL SCIENCES Pub Date : 2025-11-14 DOI: 10.1038/s41558-025-02476-x
E. M. Wolkovich, Ailene K. Ettinger, Alana R. Chin, Catherine J. Chamberlain, Frederik Baumgarten, Kavya Pradhan, Rubén D. Manzanedo, Janneke Hille Ris Lambers
Most climate change forecasts assume that longer growing seasons increase carbon storage through increased tree growth, but recent findings have challenged this assumption. Here we highlight divergent findings across studies, spanning diverse methods and disciplinary perspectives. Current hypotheses for why longer growing seasons may not always increase tree growth include drought-related effects and internal constraints. These hypotheses, however, are generally tested in different ways by different fields on different species, and rarely consider how external drivers and internal constraints interact. We outline how bridging these divides while integrating evolutionary history and ecological theory could help build a unified model across species for when longer seasons will—or will not—lead to greater tree growth, with major forecasting implications. In this Progress Article, the authors discuss why longer growing seasons under climate change may or may not increase tree growth. They highlight differences across fields, as well as research gaps, and propose three major open questions to guide future research.
大多数气候变化预测认为,较长的生长季节通过增加树木生长来增加碳储量,但最近的研究结果对这一假设提出了挑战。在这里,我们强调不同的研究结果,跨越不同的方法和学科的观点。目前关于为什么较长的生长季节并不总是能促进树木生长的假设包括与干旱有关的影响和内部约束。然而,这些假设通常是在不同的领域以不同的方式对不同的物种进行测试,很少考虑外部驱动因素和内部约束因素如何相互作用。我们概述了如何在整合进化历史和生态理论的同时弥合这些分歧,从而帮助建立一个跨物种的统一模型,以预测更长季节是否会导致更大的树木生长,并具有重要的预测意义。在这篇进展文章中,作者讨论了为什么在气候变化下较长的生长季节可能会或可能不会促进树木生长。他们强调了不同领域之间的差异,以及研究差距,并提出了三个主要的开放性问题来指导未来的研究。
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引用次数: 0
Warming overpowers low-frequency North Pacific climate variability 变暖超过了低频北太平洋气候变率
IF 27.1 1区 地球科学 Q1 ENVIRONMENTAL SCIENCES Pub Date : 2025-11-13 DOI: 10.1038/s41558-025-02495-8
The Pacific Decadal Oscillation describes the most important pattern of low-frequency climate variability in the North Pacific. An analysis of sea surface temperatures reveals that, since 2014, the Pacific Decadal Oscillation’s influence has been superseded by that of basin-wide warming, producing novel expressions of ocean variability and unexpected ecological impacts.
太平洋年代际涛动描述了北太平洋低频气候变率的最重要模式。对海洋表面温度的分析表明,自2014年以来,太平洋年代际涛动的影响已被全流域变暖所取代,产生了海洋变异和意想不到的生态影响的新表达。
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引用次数: 0
Widespread influence of artificial light at night on ecosystem metabolism 夜间人造光对生态系统代谢的广泛影响
IF 27.1 1区 地球科学 Q1 ENVIRONMENTAL SCIENCES Pub Date : 2025-11-12 DOI: 10.1038/s41558-025-02481-0
Alice S. A. Johnston, Jiyoung Kim, Jim A. Harris
Artificial light pollution is increasing worldwide with pervasive effects on ecosystem structure and function, yet its influence on ecosystem metabolism remains largely unknown. Here we combine artificial light at night (ALAN) intensity metrics with eddy covariance observations across 86 sites in North America and Europe to show that ALAN indirectly decreases annual net ecosystem exchange by enhancing ecosystem respiration (Re). At half-hourly and daily scales, we detect consistent nonlinear interactions between ALAN and night duration, with Re increasing under higher ALAN and partially decoupling from gross primary production. At the annual scale, gross primary production shows no direct ALAN response and is instead influenced by the growing season length and urban proximity, whereas Re responds more strongly and consistently across timescales. Our findings show that ALAN disrupts the fundamental energetic constraints on ecosystem metabolism, warranting the inclusion of light pollution in global change and carbon–climate feedback assessments. The authors combine light intensity data with eddy covariance observations from 86 sites to show that artificial light at night increases ecosystem respiration and alters carbon exchange, with impacts shaped by diel cycles and seasonal dynamics.
在世界范围内,人工光污染日益严重,对生态系统的结构和功能产生了普遍的影响,但对生态系统代谢的影响尚不清楚。在此,我们将北美和欧洲86个站点的夜间人造光(ALAN)强度指标与涡动相关方差观测相结合,表明ALAN通过增强生态系统呼吸间接减少了年净生态系统交换(R e)。在半小时和日尺度上,我们发现ALAN与夜间持续时间之间存在一致的非线性相互作用,当ALAN较高时,R e增加,并且与初级生产总量部分脱钩。在年尺度上,初级生产总值没有直接的ALAN响应,而是受到生长季节长度和城市邻近程度的影响,而re在时间尺度上的响应更为强烈和一致。我们的研究结果表明,ALAN破坏了生态系统代谢的基本能量约束,有必要将光污染纳入全球变化和碳-气候反馈评估。
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引用次数: 0
Artificial light reduces ecosystem carbon sinks 人造光减少了生态系统的碳汇
IF 27.1 1区 地球科学 Q1 ENVIRONMENTAL SCIENCES Pub Date : 2025-11-12 DOI: 10.1038/s41558-025-02499-4
Yaoping Cui, Jinwei Dong
As artificial light encroaches upon cities and countryside, natural darkness recedes and circadian rhythms shift in regions worldwide. Now, a study reveals that bright nights are negatively impacting the carbon sinks of ecosystems.
随着人造光侵入城市和农村,自然黑暗逐渐消退,世界各地的昼夜节律发生了变化。现在,一项研究表明,明亮的夜晚会对生态系统的碳汇产生负面影响。
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引用次数: 0
Climate change drives low dissolved oxygen and increased hypoxia rates in rivers worldwide 气候变化导致全球河流溶解氧降低,缺氧率增加
IF 27.1 1区 地球科学 Q1 ENVIRONMENTAL SCIENCES Pub Date : 2025-11-11 DOI: 10.1038/s41558-025-02483-y
Duncan J. Graham, Marc F. P. Bierkens, Edward R. Jones, Edwin H. Sutanudjaja, Michelle T. H. van Vliet
Increased water temperatures under climate change will probably cause decreases in dissolved oxygen and an associated increase in the number of days with hypoxia. This could have major consequences for freshwater ecosystems, but the extent of this threat remains unclear. Here we analyse trends in dissolved oxygen concentrations and days with stress and hypoxia in rivers worldwide between the periods 1980–2019 and 2020–2100 under global change. To achieve this, we train a hybrid process-based and machine learning model on approximately 2.6 million observations of dissolved oxygen, and we apply this model under both past and future conditions globally. The model projects significant decreasing trends in dissolved oxygen in most of the world’s rivers, resulting in on average 8.8 ± 2.3 more hypoxia days per decade globally between the years 2020 and 2100, and indicating a potentially major threat to freshwater ecosystems worldwide. Dissolved oxygen concentrations are expected to decline with rising water temperatures under climate change. This study projects declining oxygen levels for most rivers globally and an increase in hypoxic days by the end of the century, with implications for ecosystem and fish health.
气候变化导致的水温升高可能会导致溶解氧的减少和缺氧天数的增加。这可能会对淡水生态系统产生重大影响,但这种威胁的程度尚不清楚。在这里,我们分析了全球变化下1980-2019年和2020-2100年期间全球河流中溶解氧浓度和压力和缺氧天数的趋势。为了实现这一目标,我们在大约260万溶解氧观测数据上训练了一个基于过程和机器学习的混合模型,并在全球范围内将该模型应用于过去和未来的条件。该模型预测了世界上大多数河流中溶解氧的显著减少趋势,导致2020年至2100年间全球平均每十年缺氧天数增加8.8±2.3天,并表明全球淡水生态系统面临潜在的重大威胁。在气候变化的影响下,随着水温的升高,溶解氧浓度预计会下降。这项研究预测,到本世纪末,全球大多数河流的含氧量将下降,缺氧天数将增加,这对生态系统和鱼类健康都有影响。
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引用次数: 0
Hybridization mitigates climate change risk in mountainous birds 杂交减轻了山地鸟类的气候变化风险
IF 27.1 1区 地球科学 Q1 ENVIRONMENTAL SCIENCES Pub Date : 2025-11-10 DOI: 10.1038/s41558-025-02485-w
Shuai Zhang, Yilin Chen, Wenqing Zang, Xinlai Wu, Per G. P. Ericson, Fumin Lei, Yanhua Qu
Climate change is rapidly driving environmental shifts, posing an increasing threat to global biodiversity. Interspecific introgression—in which genetic material is transferred from one species to another following hybridization—may facilitate climate adaptation by introducing new genetic variation, which could mitigate species’ vulnerability to changing conditions. Here, using population and ecological genomic approaches and genetic offset modelling for future climates, we show that hybrid mountainous birds showed reduced vulnerability to climate change compared with non-hybrid counterparts. While geographic isolation and ecological heterogeneity promoted species divergence and distinct climatic niche requirements, gene flow persists at contact zones between these species. Maintaining current gene flow rates is projected to buffer against climate change risks over the next 40 generations. These findings demonstrate the role of interspecific introgression in enhancing climate resilience and future survival, and emphasize the conservation importance of preserving gene flow among species with narrow environmental tolerances. Using population and ecological genomic approaches, the authors demonstrate the potential for interspecific introgression—the transfer of genetic material following hybridization—to reduce climate change vulnerability. Their findings emphasize the importance of preserving interspecific connectivity.
气候变化正在迅速推动环境变化,对全球生物多样性构成越来越大的威胁。种间渗入——遗传物质在杂交后从一个物种转移到另一个物种——可能通过引入新的遗传变异来促进气候适应,从而减轻物种对变化条件的脆弱性。本文利用种群和生态基因组学方法以及未来气候的遗传抵消模型,研究人员发现,与非杂交山地鸟类相比,杂交山地鸟类对气候变化的脆弱性降低。虽然地理隔离和生态异质性促进了物种分化和不同的气候生态位需求,但基因流动在这些物种之间的接触区持续存在。预计维持目前的基因流动速度可以缓冲未来40代的气候变化风险。这些发现证明了种间基因渗入在增强气候适应能力和未来生存方面的作用,并强调了保护具有狭窄环境耐受性的物种之间的基因流动的重要性。利用种群和生态基因组方法,作者证明了种间遗传渗入(杂交后遗传物质的转移)的潜力,以减少气候变化的脆弱性。他们的发现强调了保持种间连通性的重要性。
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引用次数: 0
Pan-basin warming now overshadows robust Pacific Decadal Oscillation 泛盆地变暖现在掩盖了强劲的太平洋年代际涛动
IF 27.1 1区 地球科学 Q1 ENVIRONMENTAL SCIENCES Pub Date : 2025-11-07 DOI: 10.1038/s41558-025-02482-z
Allison A. Cluett, Steven J. Bograd, Michael G. Jacox, Mercedes Pozo Buil, Elliott L. Hazen
The Pacific Decadal Oscillation (PDO) has served as a key index linking basin-scale climate variability to marine ecosystem changes in the North Pacific. However, recent apparent breakdowns of PDO–ecosystem correlations have raised concerns about the stability of the mode and its continued relevance in a warming climate. Here we show that basin-wide warming now overwhelms PDO-related sea surface temperature (SST) variability, although neither the PDO’s spatial pattern nor its strength have changed. We introduce the pan-basin pattern as a complementary index to describe the non-stationary SST baseline of the North Pacific. Regional SSTs increasingly reflect the superposition of these two signals, providing an explanation for weakened or inverted PDO–ecosystem correlations. Future use of the PDO index in management will require discerning the effects of internal dynamics from those of absolute changes in SST as extreme and no-analogue ocean conditions driven by interacting natural variability and anthropogenic warming become more common. Natural patterns of climate variability, such as the Pacific Decadal Oscillation (PDO), strongly influence regional climate. This study shows that anthropogenic warming now has greater influence than the PDO on North Pacific sea surface temperatures, with implications for predictability and impacts.
太平洋年代际涛动(PDO)是连接北太平洋海盆尺度气候变率与海洋生态系统变化的重要指标。然而,最近pdo -生态系统相关性的明显破坏引起了人们对模式稳定性及其在气候变暖中的持续相关性的关注。研究表明,尽管PDO的空间格局和强度都没有发生变化,但现在全海盆变暖压倒了PDO相关的海表温度(SST)变率。我们引入泛盆地模式作为一个补充指数来描述北太平洋海温的非平稳基线。区域海温越来越多地反映了这两个信号的叠加,为pdo -生态系统相关性减弱或反转提供了解释。未来在管理中使用PDO指数将需要从海温绝对变化的影响中区分内部动力的影响,因为由自然变率和人为变暖相互作用驱动的极端和无模拟海洋条件变得越来越普遍。
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引用次数: 0
期刊
Nature Climate Change
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