<br>酸雨对植物的直接和间接影响概述：酸雨、土壤、微生物和植物之间的关系,Science of the Total Environment

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酸雨对植物的直接和间接影响概述：酸雨、土壤、微生物和植物之间的关系
Science of the Total Environment ( IF 8.2 ) Pub Date : 2023-02-24 , DOI: 10.1016/j.scitotenv.2023.162388
Yan Zhang ₁ , Jiahong Li ₂ , Junyan Tan ₁ , Wenbin Li ₃ , Bhupinder Pal Singh ₄ , Xunan Yang ₅ , Nanthi Bolan ₆ , Xin Chen ₁ , Song Xu ₁ , Yanping Bao ₁ , Daofei Lv ₁ , Anan Peng ₁ , Yanbo Zhou ₁ , Hailong Wang ₇

Affiliation

酸雨（AR）会给全球植物带来许多环境问题和复杂的负面影响。许多研究先前报道了 AR 或其沉积物质对植物损伤和性能的直接影响。然而，很少有研究涉及土壤微生物和土壤根际非生物环境介导的 AR 对植物的间接影响。间接影响（例如，AR →土壤微生物→植物）需要更多关注，因为酸性沉积不仅影响植物相关微生物的分布、组成、丰度、功能和活性，而且还以可能对植物有害的方式影响土壤中某些物质的动态。因此，本文不仅从全植物的角度关注 AR 对植物性能、生长和生物量分配的直接影响，还讨论了 AR – 土壤化学特性 – 植物的途径，解释了 AR 对土壤溶质的浸出和酸化如何减少必需养分的可用性并增加植物重金属的可用性，影响碳和氮循环。我们主要通过以下方式评价 AR-土壤微生物-植物途径：1）综合土壤微生物在缓解土壤酸性胁迫对植物的潜在作用以及 AR 对植物相关土壤微生物的不利影响;2）探索植物菌根类型如何影响 AR 对植物影响的检测。荟萃分析表明，AR 诱导的 pH 值对叶片叶绿素含量、株高和植物根系生物量的影响取决于植物菌根类型。讨论了菌根共生类型与植物之间协同作用不同的一些可能原因。未来与 AR 对植物影响相关的研究应侧重于直接和间接的综合影响，以评估 AR 如何影响植物性能。

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An overview of the direct and indirect effects of acid rain on plants: Relationships among acid rain, soil, microorganisms, and plants

Acid rain (AR) causes numerous environmental problems and complex negative effects on plants globally. Many studies have previously reported on direct effects of AR or its depositional substances on plant injury and performance. However, few studies have addressed the indirect effects of AR on plants as mediated by soil microorganisms and the abiotic environment of the soil rhizosphere. The indirect effects (e.g., AR → soil microorganisms→plants) need greater attention, because acidic deposition not only affects the distribution, composition, abundance, function, and activity of plant-associated microorganisms, but also influences the dynamics of some substances in the soil in a way that may be harmful to plants. Therefore, this review not only focused on the direct effects of AR on plant performance, growth, and biomass allocations from a whole-plant perspective, but also addressed the pathway of AR–soil chemical characteristics-plants, which explains how soil solute leaching and acidification by AR will reduce the availability of essential nutrients and increase the availability of heavy metals for plants, affecting carbon and nitrogen cycles. Mainly, we evaluated the AR-soil microorganisms-plants pathway by: 1) synthesizing the potential roles of soil microbes in alleviating soil acidic stress on plants and the adverse effects of AR on plant-associated soil microorganisms; 2) exploring how plant mycorrhizal types affect the detection of AR effect on plants. The meta-analysis showed that the effects of AR-induced pH on leaf chlorophyll content, plant height, and plant root biomass were dependent on plant mycorrhizal types. Some possible reasons for different synergy between mycorrhizal symbiotic types and plants were discussed. Future research relating to the effects of AR on plants should focus on the combined direct and indirect effects to evaluate how AR affects plant performance comprehensively.

更新日期：2023-02-24

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