石生植物生长影响因素及其适应策略:研究进展与展望
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黄亚浩(2001—),男,硕士研究生,主要从事水土资源退化与修复研究。E-mail:14795038732@163.com

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S152

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国家自然科学基金项目(52169010);国家重点研发计划项目(2021YFD1900600);宁夏自然科学基金重点项目(2021AAC02008);宁夏高等学校一流学科建设项目(NXYLXK2021A03)


Growth-Affecting Factors and Adaptive Strategies of Lithophyte: Research Progress and Prospect
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    摘要:

    [目的] 系统梳理、总结、分析岩石-土壤-植物三者协同作用的研究现状,重点探讨植物在石质化土壤环境下的适应机制,以期为石质生境植被生长及生态环境修复提供理论支撑和科学依据。[方法] 从内因岩石碎片体积分数及所处位置、外因植被类型与降雨气候条件等不同维度,深入分析石质土壤对植物生长的综合效应,揭示石质生境下植物在形态、生理及分子层面的适应策略。[结果] 石质土壤对植物生长的调控作用与岩石形状、体积分数、埋深及气候条件、植物类型等因素密切相关。石质土壤中植物生长受限的主要因素是土壤水分流失和养分匮乏。在此情形下,植物通过调节自身生长性状及生理代谢以更好地应对环境胁迫。[结论] 未来相关研究可从3个方面拓展和深化:1)石质土壤中不同属性微生物对植物生长发育的协同作用效果及植物的遗传适应机制。2)寻求石质土壤环境下适宜植物生长的最佳岩石碎片参数组合。3)未来的研究应致力于特定区域适生植物的优化筛选,选取具有强抗逆性的植物品种,以促进区域植物稳定定植,进而逐步改良并提升生态环境质量。

    Abstract:

    [Objective] To systematically categorize, summarize, and analyze the current understanding of synergistic interactions among rocks,soil,and plants,discuss the mechanisms of plants' adaptation to lithified soil environments,in order to provide theoretical support and scientific evidence for the growth of vegetation and ecological environment restoration in stony habitats. [Methods] From different dimensions such as the content and burial depth of internal rock fragments, external vegetation types, and rainfall and climatic conditions, a comprehensive analysis of the effects of rocky soil on plant growth was conducted to reveal the adaptive strategies of plants at the morphological,physiological,and molecular levels in the rocky habitats. [Results] The regulatory effect of stony soil on plant growth is closely related to factors such as rock shape,content,burial depth,climatic conditions,and plant types. The main limiting factors for plants in stony soil are soil moisture and nutrient scarcity. Under such circumstances,plants will better cope with environmental stress by regulating their own growth traits and physiological metabolism. [Conclusion] The following three aspects can be expanded and deepened in the future. 1) The synergistic effects of different types of microorganisms in rocky soil on plant growth and development,as well as the genetic adaptation mechanism of plants. 2)Seeking the optimal combination of rock fragment parameters suitable for plant growth in rocky soil environments. 3)Future research should focus on optimizing and screening suitable plants for specific regions,selecting plant varieties with strong stress resistance to promote stable plant colonization in the area,and gradually improving and enhancing the quality of the ecological environment.

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黄亚浩, 贾振江, 李王成, 吴洋洋, 马东祥, 吕航, 张一帆, 高素素.石生植物生长影响因素及其适应策略:研究进展与展望[J].水土保持学报,2025,39(2):1~11

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  • 收稿日期:2024-09-24
  • 最后修改日期:2024-10-24
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  • 在线发布日期: 2025-05-07
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