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2024年7月4日,中国科学院海洋研究所王凡团队联合中国科学院大气物理研究所研究团队在《自然-气候变化》期刊(Nature Climate Change,最新影响因子29.6)发表了题为“North Atlantic-Pacific salinity contrast enhanced by winds and ocean warming”的研究论文。该研究定量揭示了上世纪中叶以来大西洋-太平洋盐...
干旱区约占地球陆地面积的 41%,近几十年来由于全球气候变化和人类活动的影响干旱区面积大幅扩张,了解当前干旱区的气候变化和干旱加剧如何影响植物-土壤系统的全球生物地球化学问题至关重要。因此,亟待一项关于干旱加剧和干旱区扩张对碳储存量、生物多样性丧失和生态系统服务的影响的全面概述。
中国科学院地理科学与资源研究所沈镭、李德龙等在Global Change Biology发表论文揭示植被响应干旱时间尺度的长期变化趋势(图)
沈镭 李德龙 植被响应 干旱时间 尺度 演变 气候
2024/2/26
干旱是造成植被死亡的主要驱动因素之一。在未来气候变化下干旱的强度、持续时间和频率会进一步增加,从而导致更高的森林死亡。目前的植被-干旱耦合研究很大程度上被忽视了植被响应干旱的最佳时间尺度(反映植被对干旱敏感性的一个关键指标),要么考虑了干旱时间尺度但忽略了干旱尺度的时间演变趋势,或考虑了植被-干旱敏感性的时间演变趋势而未能考虑干旱时间尺度的影响。在考虑到过去三十年植被对干旱的最佳响应时间后,植被对...
植被物候是生态系统响应气候变化的敏感指标。在全球气候变化背景下,植被物候变化会影响生态系统碳循环及水热平衡过程。作为世界上海拔最高的高原,寒冷干旱的青藏高原植被物候是受温度还是水分主导仍然存在争议。青藏高原有大面积的沼泽湿地分布,沼泽相对充裕的水分条件为进一步揭示这一问题提供了理想的条件。明确青藏高原沼泽植被物候时空变化及对气候变化响应机制,能为预测区域碳循环、揭示植被与气候变化关系提供科学依据。...
Global Change Biology∣福建农林大学全球气候变化与亚热带森林可持续经营研究团队发表有关生态系统多功能维持机制最新研究(图)
凋落物 土壤生物 多样性 生态系统功能
2023/11/27
近日,福建农林大学林学院刘圣恩老师在环境生态学权威期刊Global Change Biology(全球变化生物学)上发表名为"Litter and soil biodiversity jointly drive ecosystem functions"(“凋落物和土壤生物多样性共同驱动生态系统功能”)的学术论文,报道了凋落物分解过程中地上-地下生物多样性对生态系统多功能性维持机制的研究成果。该团队...
湿地作为“山水林田湖草沙”生命共同体的重要组成部分,是陆地生态系统中重要的碳库,在全球碳循环中发挥着重要作用。在“碳中和”背景下,精准估算湿地土壤有机碳库现状并了解其变化特征具有重要的科学价值。然而,受土壤有机碳密度样本数量有限、湿地空间分布数据不统一、估算方法多采用简单的清单法或线性插值等因素限制,已有的大尺度湿地土壤有机碳库估算结果不确定性较大,无法准确揭示湿地土壤有机碳的空间格局和储量变化特...
由于气温升高和降水变化,干旱和半干旱生态系统的干旱加剧,给区域环境、水资源和农业都带来了巨大影响。近些年来,位于干旱和半干旱区的蒙古高原(MP)正在经历着严重的干旱,易发生荒漠化和土地退化等问题。
2022年7月28号,浙江大学生命科学学院黄建国教授团队在生态学领域顶级期刊Global Change Biology上发表研究论文“Climate warming leads to advanced fruit development period of temperate woody species but divergent changes in its length”,该研究阐明温带木本植...
Climate change ‘double whammy’ could kill off fish species Warming waters rob fish of ability to both move and adapt to cope
climate change warming oceans adaptation of fish
2021/8/10
New study of 150 million years of fish evolution provides first evidence to support scientific theory that commonly-eaten fish species will become smaller as waters warm under climate change. However,...
Birds’ eye size reflects habitat and diet, may predict sensitivity to environmental change
birds visual environmental change deforestation
2021/8/10
A new study shows the eye size of birds can reveal broad patterns of their biology and behavior, including where they live, what they eat and how they hunt, providing a potential roadmap for future co...
Climate change widespread, rapid, and intensifying: IPCC
climate system climate change sea level rise
2021/8/10
Scientists are observing changes in the Earth's climate in every region and across the whole climate system, according to the latest IPCC Report. Many of the changes observed in the climate are unprec...
The waste product which could help mitigate climate change
biochar climate change crop yields soil
2021/8/5
A product made from urban, agriculture and forestry waste has the added benefit of reducing the carbon footprint of modern farming, an international review involving UNSW has found.
California's carbon mitigation efforts may be thwarted by climate change itself
climate change carbon mitigation ecosystem
2021/8/3
To meet an ambitious goal of carbon neutrality by 2045, California's policymakers are relying in part on forests and shrublands to remove CO2 from the atmosphere, but researchers warn that future clim...
Emperor penguins increasingly threatened by climate change
climate change species extinction risk penguins ecosystem extreme climate
2021/8/4
A new study provides valuable new data that highlights how species extinction risk is accelerating due to rapid climate change and an increase in extreme climate events, such as glacial calving and se...