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首页> 外文期刊>Applied Soil Ecology >Effect of different inoculation treatments on AM fungal communities and the sustainability of soil remediation in Daliuta coal mining subsidence area in northwest China
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Effect of different inoculation treatments on AM fungal communities and the sustainability of soil remediation in Daliuta coal mining subsidence area in northwest China

机译：不同接种治疗对西北地区达利塔煤矿区土壤煤矿区土壤修复的影响

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摘要

Artificial ecological engineering plays an important role in promoting the restoration of mining subsidence areas. To investigate the effects of field inoculation on soil remediation, field studies were conducted in Shendong Daliuta mining area in Yulin, northwest China. Amorpha fruticose plants were treated with under five different inoculations, Funneliformis mosseae (F. m), Rhizophagus intraradices (R. i), F. mosseae and R. intraradices (F. m + R. i), Pantoea sp. (CA), F. mosseae and Pantoea sp. (F. m + CA), as well as no inoculation (CK) as control. The diversity and structure of arbuscular mycorrhizal (AM) fungal communities, glomalin, and soil organic carbon (SOC), available phosphorus, available nitrogen, soil pH were investigated. Based on pyro-sequencing on small subunit ribosomal RNA genes (SSUs), 63 AM fungal operational taxonomic units (OTUs) were identified, which belonged to six genera and two families. F. m + CA inoculation exhibited the highest available phosphorus, the lowest N/P ratio, and higher the ratio between total glomalin-related soil protein (T-GRSP) fractions and soil organic carbon (SOC). Fungal community diversity indices, including Shannon-Wiener, Simpson, and pielou, in F. m inoculation were significantly lower than others, and the phylogenetic index in F. m + CA inoculation was the highest (P 0.05). In addition, Permutational multivariate analysis of variance (PerMANOVA) and non-metric multidimensional scaling (NMDS) analyses showed that the distribution of AM fungal communities without F. m inoculation were not significantly different from CK. These results demonstrated that the diversities and structures of AM fungal communities were sensitive indicators for monitoring the environmental changes in subsidence area. Furthermore, structural equation model (SEM) showed that AM fungal diversity had direct effects on T-GSRP. In summary, field inoculation of Amorpha fruticose plants had a valid effect on soil remediation, and F. m + CA inoculation is the befitting combination for soil restoration in the experimental field.
机译：人工生态工程在促进矿井沉降区恢复方面发挥着重要作用。为了调查现场接种对土壤修复的影响，在中国西北榆林的Shendong Daliuta采矿区进行了实地研究。在五种不同的Incoculation下，Funneliformismosseae（F.M），莫塞西和R.内（F.M + R.I），Pantoea Sp，氨基摩擦植物治疗了5种不同的接种，流离失所的血清菌（F. M），莫西地和R. mintrayices（F. m + R. i）。 （CA），F.Mosseae和Pantoea Sp。 （F.M + Ca），以及没有接种（CK）作为对照。研究了丛枝菌根（AM）真菌社区，肾甘油和土壤有机碳（SOC），可用磷，可用氮，土壤pH的血清菌群的多样性和结构。基于小亚基核糖体RNA基因（SSUS）的热量测序，确定了63AM真菌运作分类单位（OTUS），属于六属和两个家庭。 F.M + Ca接种表现出最高可用磷，最低的N / P比，较高的肺鼠相关土壤蛋白（T-GRSP）分数和土壤有机碳（SOC）的比例较高。在F.M接种中，包括Shannon-Wiener，Simper和Pielou，包括Shannon-Wiener，Simpson和Pielou的真菌社区分集指数明显低于其他指数，并且F.M + Ca接种的系统发育指数最高（P <0.05）。此外，差异的级别多变量分析（vallova）和非度量多维缩放（NMDS）分析表明，没有F.M接种的AM真菌社区的分布与CK没有显着差异。这些结果表明，AM真菌社区的多样性和结构是监测沉降区环境变化的敏感指标。此外，结构方程模型（SEM）表明，AM真菌多样性对T-GSRP具有直接影响。总之，氨氏果实植物的田间接种对土壤修复有效作用，F.M + Ca接种是实验领域土壤恢复的组合。

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