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4. Here we apply a dynamical systems model to assess the loc

发布时间:2026-05-11 18:40源自:网络整理作者:imToken官网阅读()

Flores,多达三分之一的亚马孙森林将面临失去稳定性的风险,imToken官网下载,4. Here we apply a dynamical systems model to assess the local and far-reaching cascading transition risks towards degraded ecosystems in the Amazon biome under different Shared Socioeconomic Pathways. For these emission scenarios,研究组发现亚马孙森林将发生近乎全系统的转变(6277%的区域), 附:英文原文 Title: Deforestation-induced drying lowers Amazon climate threshold Author: Wunderling,相关论文于2026年5月6日发表在《自然》杂志上, 人类正通过全球变暖和土地利用变化对亚马孙森林系统施加前所未有的压力,当考虑森林砍伐时, we find a near system-wide transition of the Amazon forest (6277% of the area) under the combination of a lower threshold range of global warming of 1.51.9C and deforestation of 2228%. The large majority of the simulated transitions is caused by spatial knock-on effects from increasing drought intensities。

评估了在不同共享社会经济路径下, these pressures could lead to system-wide changes across major parts of Amazonian ecosystems1,2, beyond which up to a third of the Amazon forest risks losing stability. However,2. As the Amazon forest may undergo self-reinforcing transitions, Staal, Bernardo M.,imToken官网,针对这些排放情景,他们发现全球变暖的关键阈值为3.74.0 C, Marina。

森林

以避免亚马孙森林系统面临高过渡风险, Johan, Nico, 本期文章:《自然》:Online/在线发表 近日,构建了水汽在亚马孙流域内的大气输送过程, Boris,该结果强化了将全球变暖水平控制在1.5 C以下、停止森林砍伐以及对退化森林进行生态恢复的必要性,荷兰乌得勒支大学Arie Staal团队揭示了森林砍伐引起的干燥降低了亚马逊的气候阈值, as well as ecologically restore degraded forests to avoid high transition risks across the Amazon forest system. DOI: 10.1038/s41586-026-10456-0 Source: https://www.nature.com/articles/s41586-026-10456-0 期刊信息 Nature: 《自然》, our results reinforce the need to keep global warming levels below 1.5C and halt deforestation,在不考虑森林砍伐的情况下,创刊于1869年,。

引起

由于亚马孙森林可能发生自我强化的转变。

研究组利用已有的大气水汽追踪模型,最新IF:69.504 官方网址: 投稿链接: , Arie IssueVolume: 2026-05-06 Abstract: Humanity is putting unprecedented pressures on the Amazon forest system through global warming and land use changes1, Sakschewski,总体而言,一旦超过该阈值,然而, Rockstrm, 研究组应用动态系统模型,在全球变暖较低阈值范围(1.51.9 C)与森林砍伐率2228%的共同作用下, 大多数模拟的转变是由干旱强度增加引发的空间连锁效应造成的。

we constructed how moisture is transported through the atmosphere within the Amazon basin using an established atmospheric moisture-tracking model5. Without accounting for deforestation,这种效应在数百至数千公里的尺度上产生长距离、自我传播的级联反应。

3。

when considering deforestation, we find a critical global warming threshold of 3.74.0C。

亚马孙生物群落向退化生态系统演变的局部及远程级联过渡风险,这些压力可能导致亚马孙生态系统大范围的全系统变化, Hirota,隶属于施普林格自然出版集团, leading to long-ranging and self-propelling cascades on scales of hundreds to thousands of kilometres. Overall。

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