Global trends in carbon sequestration and oxygen release: From the past to the future

IF 11.2 1区环境科学与生态学 Q1 ENGINEERING, ENVIRONMENTAL Resources Conservation and Recycling Pub Date : 2023-10-26 DOI:10.1016/j.resconrec.2023.107279

Shiqi Tian , Wei Wu , Shaofeng Chen , Dunjiang Song

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Abstract

Clarifying the spatiotemporal changes and trends of carbon sequestration and oxygen release (CO_total) is crucial for establishing policy objectives aimed at achieving carbon peaking and carbon neutrality. However, extant studies have predominantly focused on carbon sequestration, with limited attention to the concurrent oxygen release resulting from the same ecological processes, particularly on a global scale. Here, we revealed the historical and prospective trajectories of CO_total in global terrestrial ecosystems by coupling multiple methods. Results show that global CO_total mainly increased from 2000 to 2020 and is expected to continue rising in the short term. In parallel, 20.91 % of global regions are anticipated to experience a continued decrease in CO_total in the future, while 11.78 % is projected to shift from shift from increasing to decreasing. Proactive and strategic policy interventions in land use and management are imperative in ameliorating the burgeoning global change quandary.

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碳固存和氧气释放的全球趋势：从过去到未来

明确碳固存和氧释放（COtotal）的时空变化和趋势对于制定旨在实现碳达峰和碳中和的政策目标至关重要。然而，现有的研究主要集中在碳固存上，对相同生态过程同时产生的氧气释放的关注有限，特别是在全球范围内。在这里，我们通过耦合多种方法揭示了全球陆地生态系统中COtotal的历史和未来轨迹。结果显示，从2000年到2020年，全球新冠肺炎疫情总量主要增加，预计短期内还会继续上升。与此同时，预计未来20.91%的全球地区的COtotal将持续下降，而11.78%的地区预计将从增加转向减少。在土地利用和管理方面采取积极和战略性的政策干预措施，对于缓解日益严重的全球变化困境至关重要。

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来源期刊

Resources Conservation and Recycling 环境科学-工程：环境

CiteScore

22.90

自引率

6.10%

发文量

625

审稿时长

23 days

期刊介绍： The journal Resources, Conservation & Recycling welcomes contributions from research, which consider sustainable management and conservation of resources. The journal prioritizes understanding the transformation processes crucial for transitioning toward more sustainable production and consumption systems. It highlights technological, economic, institutional, and policy aspects related to specific resource management practices such as conservation, recycling, and resource substitution, as well as broader strategies like improving resource productivity and restructuring production and consumption patterns. Contributions may address regional, national, or international scales and can range from individual resources or technologies to entire sectors or systems. Authors are encouraged to explore scientific and methodological issues alongside practical, environmental, and economic implications. However, manuscripts focusing solely on laboratory experiments without discussing their broader implications will not be considered for publication in the journal.