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Expanding the scope of biogeochemical research to accelerate atmospheric carbon capture
Biogeochemistry ( IF 3.9 ) Pub Date : 2022-08-07 , DOI: 10.1007/s10533-022-00957-1
Lucas C. R. Silva

The unfolding climate crisis is in many respects a human issue, one caused by anthropogenic emissions of CO2 to the atmosphere, and that can only be solved through a concerted effort across all sectors of society. In this prospective synthesis, I explain how expanding the scope of biogeochemical research would lead to a more rigorous and impactful climate change mitigation and adaptation agenda. Focusing on biogeochemistry as an area of interdisciplinary convergence, I review theories and empirical studies in the environmental and social sciences, to distill five principles and three phases of implementation for sustainable carbon capture projects. I discuss how land conservation, management, and restoration might be coordinated to prepare for climate change and to achieve multiple social and ecological benefits, including enhanced carbon drawdown and permanence on land. On the conservation front, the abundance of threatened plant and animal species spatially correlates with the distribution of carbon- and water-rich habitats within and across key regions, which can be prioritized for biodiversity protection with major climatic benefits. On the management front, long-term records of socioecological change warrant a revision of current models for sustainable forestry and agriculture in favor of decentralized system-specific prescriptions, including interventions where organic or inorganic carbon capture may improve wood and food production under future climate scenarios. On the restoration front, experiments in degraded landscapes reveal mechanisms of carbon stabilization, such as iron-coordination of organic complexes, which amplify the benefits of ecological succession and lead to carbon accumulation beyond thresholds predicted for undisturbed ecosystems. These examples illustrate the potential for innovation at the intersection of basic and applied biogeoscience, which could accelerate atmospheric carbon capture through new discoveries and collective action.



中文翻译:

扩大生物地球化学研究范围以加速大气碳捕获

不断发展的气候危机在许多方面都是人类问题,是由人为排放的 CO 2引起的这只能通过社会各界的共同努力来解决。在这篇前瞻性综述中,我解释了扩大生物地球化学研究的范围将如何导致更严格和更有影响力的气候变化减缓和适应议程。将生物地球化学作为一个跨学科融合领域,我回顾了环境和社会科学的理论和实证研究,提炼出可持续碳捕获项目的五个原则和三个实施阶段。我将讨论如何协调土地保护、管理和恢复,为气候变化做好准备并实现多种社会和生态效益,包括增强碳排放和土地永久性。在保护方面,受威胁的动植物物种的丰富性在空间上与关键区域内和关键区域内富含碳和富含水的栖息地的分布相关,这些栖息地可以优先用于生物多样性保护,具有重大的气候效益。在管理方面,社会生态变化的长期记录需要修订当前的可持续林业和农业模型,以支持分散的系统特定处方,包括在未来气候情景下有机或无机碳捕获可能改善木材和粮食生产的干预措施. 在修复方面, 在退化景观中的实验揭示了碳稳定的机制, 例如有机复合物的铁配位, 这放大了生态演替的好处, 并导致碳积累超出了未受干扰的生态系统预测的阈值。这些例子说明了基础和应用生物地球科学交叉领域的创新潜力,可以通过新发现和集体行动加速大气碳捕获。

更新日期:2022-08-08
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