Soil properties and geomorphic processes influence vegetation composition, structure, and function in the Cerrado Domain

Soil properties and geomorphic processes influence vegetation composition, structure, and function in the Cerrado Domain
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土壤特性和地貌过程影响塞拉多域的植被组成、结构和功能

DOI:
10.1007/s11104-022-05517-y
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发表时间:
2022
期刊:
影响因子:
4.9
通讯作者:
Lira-Martins D
Lira-Martins D
中科院分区:
农林科学2区
文献类型:
--
作者:
Lira-Martins D

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巴西中部的塞拉多是世界上最大的新热带稀树大草原,它由生长在极其多样化的地质和地貌背景上的高度异质的植被组成。稳定的构造和气候条件下的地貌过程促进了不同的土壤属性的发展,这些土壤属性与干扰事件相互作用,形成独特的植被type.ScopeIn这篇综述中,我们详细介绍了地球物理环境如何影响土壤形成,并评估了土壤条件控制植被结构的机制,结论地貌过程对土壤性质的影响对植物群落的生态和演化有显著的影响。物种表现出形态和生理适应,优化其成功建立在特定的土壤条件。此外,火灾干扰改变了这些土壤植被协会进一步调节这些社区的结构性质。因此,我们提出了一个综合的观点,土壤,化学和物理特性作为调制器的植被,这些条件与火政权的相互作用。植物土壤生态位的知识,其相关的资源获取和使用的功能特性,以及土壤特性和干扰制度的相互作用是至关重要的研究规划,保护和成功恢复塞拉多植被类型的全部多样性。
BackgroundThe Cerrado of central Brazil—the world’s largest Neotropical savanna – is comprised of a mosaic of highly heterogeneous vegetation growing on an extremely diverse geologic and geomorphologic background. Geomorphic processes under stable tectonic and climatic conditions facilitated the development of diverse edaphic properties, which interact with disturbance events to form unique vegetation types.ScopeIn this review, we detail how the geophysical environment affects soil formation and evaluate the mechanisms through which edaphic conditions control vegetation structure, floristic diversity and functional diversity.ConclusionThe influence of geomorphic processes on edaphic properties has a marked impact on the ecology and evolution of plant communities. Species exhibit morphological and physiological adaptations that optimise their successful establishment in particular soil conditions. Furthermore, fire disturbance alters these soil-vegetation associations further regulating the structural nature of these communities. Therefore, we propose an integrative view where edaphic, chemical and physical properties act as modulators of vegetation stands, and these conditions interact with the fire regime. The knowledge of plant edaphic niches, their functional traits related to resource acquisition and use, as well as the interaction of edaphic properties and disturbance regimes is paramount to research planning, conservation, and successful restoration of the full diversity of Cerrado vegetation types.
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