Towards a microbial process-based understanding of the resilience of peatland ecosystem service provisioning - A research agenda.
Towards a microbial process-based understanding of the resilience of peatland ecosystem service provisioning - A research agenda.
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对泥炭地生态系统服务提供的恢复力进行基于微生物过程的理解 - 研究议程。
DOI：
10.1016/j.scitotenv.2020.143467
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发表时间：
2021
期刊：
影响因子：
--
通讯作者：
Ritson JP
中科院分区：
文献类型：
--
作者：
Ritson JP
泥炭地是一种湿地生态系统，具有重要的自然栖息地和全球主要的碳储存库。它们受到广泛的开发和退化，导致特有的生物群和生态系统功能（如气候调节）丧失。最近，为恢复泥炭地生态系统及其向社会提供的各种服务，已制定了大规模方案。尽管泥炭地科学和恢复实践取得了重大进展，但我们缺乏基于过程的理解，即土壤微生物群如何影响泥炭地的功能，并调节与土地利用和气候变化相关的扰动的生态系统服务的恢复能力和恢复。我们认为有必要：在短期内，在一系列空间和时间尺度上描述泥炭地微生物群落的特征，并更好地理解泥炭地栖息地、生态功能和微生物过程之间的联系；从中期来看，确定成功恢复的“目标”泥炭地微生物群对关键碳循环相关生态系统服务的影响，并开发基于微生物的监测工具，以评估恢复需求；从长远来看，利用这些知识来影响恢复实践，并评估朝向“完整”泥炭地状态的轨迹的进展。微生物群落结构和功能的遗传特征的快速进展为这些领域的变革性进展提供了潜力，但研究生态系统功能的方法和概念进展的规模和速度对泥炭地科学家来说是一个挑战。这一领域的进展需要泥炭地科学家、数据科学家和微生物学家之间的多学科合作，最终需要与建模界合作。对泥炭地对极端气候、火灾和排水等扰动的适应能力和恢复能力建立基于过程的理解，将是实现气候目标和经济有效地提供生态系统服务的关键。
Peatlands are wetland ecosystems with great significance as natural habitats and as major global carbon stores. They have been subject to widespread exploitation and degradation with resulting losses in characteristic biota and ecosystem functions such as climate regulation. More recently, large-scale programmes have been established to restore peatland ecosystems and the various services they provide to society. Despite significant progress in peatland science and restoration practice, we lack a process-based understanding of how soil microbiota influence peatland functioning and mediate the resilience and recovery of ecosystem services, to perturbations associated with land use and climate change.We argue that there is a need to: in theshort-term, characterise peatland microbial communities across a range of spatial and temporal scales and develop an improved understanding of the links between peatland habitat, ecological functions and microbial processes; in themedium term, define what a successfully restored ‘target’ peatland microbiome looks like for key carbon cycle related ecosystem services and develop microbial-based monitoring tools for assessing restoration needs; and in thelonger term, to use this knowledge to influence restoration practices and assess progress on the trajectory towards ‘intact’ peatland status.Rapid advances in genetic characterisation of the structure and functions of microbial communities offer the potential for transformative progress in these areas, but the scale and speed of methodological and conceptual advances in studying ecosystem functions is a challenge for peatland scientists. Advances in this area require multidisciplinary collaborations between peatland scientists, data scientists and microbiologists and ultimately, collaboration with the modelling community.Developing a process-based understanding of the resilience and recovery of peatlands to perturbations, such as climate extremes, fires, and drainage, will be key to meeting climate targets and delivering ecosystem services cost effectively.
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--
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