火灾后管理后地中海土壤的恢复:生物锈和土壤微生物群落的作用

IF 2 Q3 SOIL SCIENCE Spanish Journal of Soil Science Pub Date : 2023-06-13 DOI:10.3389/sjss.2023.11388
M. García-Carmona, F. García‐Orenes, V. Arcenegui, J. Mataix‐Solera
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引用次数: 2

摘要

尽管地中海生态系统适应了火灾的干扰,但土壤容易退化。因此,火灾后森林管理是生态系统恢复的关键一步:它可以减少土壤退化,也可以增加新的干扰。地中海被烧毁森林的火灾后管理包括采用不同方法的干预措施,包括管理被烧毁的树木、土壤保护,或通过改善受影响生态系统的组成部分或过程致力于生态系统恢复的做法。森林管理对土壤的影响是复杂的,因此,在火灾事件和气候变化加剧的背景下,了解管理生态系统中关键土壤成分的反应对于优先考虑土壤保护至关重要。火灾后早期阶段的一个有趣组成部分是苔藓生物锈。形成生物锈的苔藓在扰动后的早期演替阶段快速定植,使土壤在最脆弱的时期稳定下来。然而,在维管植被再生之前的过渡阶段,作为活性剂对土壤恢复和恢复力的进一步影响是完全未知的。鉴于土壤微生物群落在基本生态系统功能中的积极作用,结合生物铁锈,土壤微生物群落对森林管理的反应对于评估土壤恢复进展至关重要。在火灾后系统的调查中,火灾和森林管理对生物铁锈出现或微生物组成和功能的附加影响通常被忽视,尽管这与保护土壤免受功能损失的支持策略具有重要意义。
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The Recovery of Mediterranean Soils After Post-Fire Management: The Role of Biocrusts and Soil Microbial Communities
Although Mediterranean ecosystems are adapted to fire disturbances, soils are prone to degradation. Therefore, post-fire forest management is a critical step for ecosystem recovery: it can either reduce soil degradation or add a new disturbance. Post-fire management in Mediterranean burnt forests includes interventions with contrasting approaches, including the management of burnt trees, soil protection, or practices devoted to ecosystem restoration via the improvement of components or processes in the affected ecosystem. The consequences of forest management on soils are complex, thereby, in the context of the intensification of fire events and climate change, understanding the response of key soil components in managed ecosystems is critical for prioritizing soil conservation. One interesting component in the early post-fire stages is moss biocrust. The rapid colonization of biocrust-forming mosses in early successional stages post-disturbance stabilizes soils in their most vulnerable period. However, it is completely unknown further implications as active agents in the recovery and resilience of soils, in the transient stage before vascular vegetation regrowth. In combination with the biocrust, the response of soil microbial communities to forest management is crucial for evaluating the soil recovery progress, given their active role in fundamental ecosystem functions. The additive consequences of fires and forest management on biocrust emergence or microbial composition and functionality are usually neglected in the investigation of post-fire systems, although of major relevance to support strategies to preserve soils against functionality loss.
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来源期刊
CiteScore
2.20
自引率
0.00%
发文量
13
期刊介绍: The Spanish Journal of Soil Science (SJSS) is a peer-reviewed journal with open access for the publication of Soil Science research, which is published every four months. This publication welcomes works from all parts of the world and different geographic areas. It aims to publish original, innovative, and high-quality scientific papers related to field and laboratory research on all basic and applied aspects of Soil Science. The journal is also interested in interdisciplinary studies linked to soil research, short communications presenting new findings and applications, and invited state of art reviews. The journal focuses on all the different areas of Soil Science represented by the Spanish Society of Soil Science: soil genesis, morphology and micromorphology, physics, chemistry, biology, mineralogy, biochemistry and its functions, classification, survey, and soil information systems; soil fertility and plant nutrition, hydrology and geomorphology; soil evaluation and land use planning; soil protection and conservation; soil degradation and remediation; soil quality; soil-plant relationships; soils and land use change; sustainability of ecosystems; soils and environmental quality; methods of soil analysis; pedometrics; new techniques and soil education. Other fields with growing interest include: digital soil mapping, soil nanotechnology, the modelling of biological and biochemical processes, mechanisms and processes responsible for the mobilization and immobilization of nutrients, organic matter stabilization, biogeochemical nutrient cycles, the influence of climatic change on soil processes and soil-plant relationships, carbon sequestration, and the role of soils in climatic change and ecological and environmental processes.
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