[中国典型稻田真菌群落的多样性和功能特征及其影响因素]。

Q2 Environmental Science Huanjing Kexue/Environmental Science Pub Date : 2024-10-08 DOI:10.13227/j.hjkx.202310031
Ting-E Ye, Mei-Fen Lin, Chao-Fan Yu, Yu-Jun Xiao, Li-Wen Cheng, Yi Zheng, Wei-Qi Wang
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引用次数: 0

摘要

为研究中国典型水稻种植区不同水稻土真菌群落的结构、多样性、功能及其影响因素,本研究选取了5个中国典型水稻土,利用高通量测序技术对土壤真菌群落的组成和多样性进行了比较分析,并利用FUNGuild微生态工具对其功能进行了预测。结果表明:① 黑龙江(HLJ)土壤样品的真菌群落多样性明显低于其他地区;② 黑龙江(HLJ)土壤样品的真菌群落多样性明显低于其他地区;③ 黑龙江(HLJ)土壤样品的真菌群落多样性明显低于其他地区。结果表明:①黑龙江(HLJ)土壤样本的真菌群落多样性明显低于其他四个地区(PPTausonia)。从图中可以看出:①黑龙江(HLJ)的真菌群落多样性明显低于其他四个地区(PPTausonia);②真菌的营养盐型比例最大,相应的环境功能也更强。土壤真菌的物种丰度与土壤 TP、EC 和 BD 呈显著正相关(P
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[Diversity and Functional Characteristics of Fungal Communities and Influencing Factors in Typical Paddy Fields of China].

To investigate the structure, diversity, and function of different paddy soil fungal communities and the factors affecting them in typical paddy cropping areas in China, five typical Chinese paddy soils were selected in this study, and the composition and diversity of soil fungal communities were comparatively analyzed using high-throughput sequencing technology and functionally predicted using the FUNGuild microecological tool. The results showed that: ① The fungal community diversity of soil samples from Heilongjiang (HLJ) was significantly lower than that of the other four regions (P<0.05); the highest fungal community richness was found in paddy soils from Yunnan (YN), which was significantly higher than that of the other regions (P<0.05); and the soil samples from Hainan (HN), Jiangxi (JX), and Shandong (SD) were relatively close to each other. The highest average relative abundance at the level of the five typical paddy phyla was Ascomycota, and the genus with the highest average relative abundance was Tausonia. ② Fungi had the largest proportion of saprophytic trophic types, and their corresponding environmental functions were stronger. ③ The species abundance of soil fungi was highly significantly correlated with soil TP, EC, and BD (P<0.01), and redundancy analyses also showed that soil TP was the main driver of the fungal community as well as the saprophytic functional taxa. The above results showed that the soil fungal community diversity and structure varied greatly among samples, and the relative abundance of fungal genera was affected by soil physical and chemical properties and altered the fungal community structure in paddy fields. The development of this study will provide theoretical references for the sustainable management based on fungal diversity and function of paddy fields.

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来源期刊
Huanjing Kexue/Environmental Science
Huanjing Kexue/Environmental Science Environmental Science-Environmental Science (all)
CiteScore
4.40
自引率
0.00%
发文量
15329
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