Stand spatial structure and microbial diversity are key drivers of soil multifunctionality during secondary succession in degraded karst forests

Zhou, Guanghui; Long, Fayu; Zu, Lei; Jarvie, Scott; Peng, Yan; Zang, Lipeng; Chen, Danmei; Zhang, Guangqi; Sui, Mingzhen; He, Yuejun; Liu, Qingfu

doi:10.1016/j.scitotenv.2024.173504

Science of The Total Environment

2024

DOI: 10.1016/j.scitotenv.2024.173504

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Stand spatial structure and microbial diversity are key drivers of soil multifunctionality during secondary succession in degraded karst forests

Guanghui Zhou,

Fayu Long,

Lei Zu

et al.

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Karst Ecosystem: Moso Bamboo Intercropping Enhances Soil Fertility and Microbial Diversity in the Rhizosphere of Giant Lily (Cardiocrinum giganteum)

Zhang,

Wu,

Gao

et al. 2024

Forests

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Intercropping affects soil microbial community structure significantly; however, the effects on understory medicinal plants in karst areas remain unclear. We investigated the effects of four intercropping systems (Moso bamboo, Chinese fir, bamboo-fir mixed forest, and forest gap) on the rhizosphere microbial communities of giant lily (Cardiocrinum giganteum), an economically important medicinal plant in China. We assessed the intercropping impact on rhizosphere microbial diversity, composition, and co-occurrence networks and identified key soil properties driving the changes. Bacterial and fungal diversity were assessed by 16S rRNA and ITS gene sequencing, respectively; soil physicochemical properties and enzyme activities were measured. Moso bamboo system had the highest fungal diversity, with relatively high bacterial diversity. It promoted a distinct microbial community structure with significant Actinobacteria and saprotrophic fungi enrichment. Soil organic carbon, total nitrogen, and available potassium were the most influential drivers of microbial community structure. Co-occurrence network analysis revealed that the microbial network in the Moso bamboo system was the most complex and highly interconnected, with a higher proportion of positive interactions and a greater number of keystone taxa. Thus, integrating Moso bamboo into intercropping systems can enhance soil fertility, microbial diversity, and ecological interactions in the giant lily rhizosphere in karst forests.

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Karst Ecosystem: Moso Bamboo Intercropping Enhances Soil Fertility and Microbial Diversity in the Rhizosphere of Giant Lily (Cardiocrinum giganteum)

Zhang,

Wu,

Gao

et al. 2024

Forests

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Stand spatial structure and microbial diversity are key drivers of soil multifunctionality during secondary succession in degraded karst forests

Cited by 1 publication

References 85 publications

Karst Ecosystem: Moso Bamboo Intercropping Enhances Soil Fertility and Microbial Diversity in the Rhizosphere of Giant Lily (Cardiocrinum giganteum)

Karst Ecosystem: Moso Bamboo Intercropping Enhances Soil Fertility and Microbial Diversity in the Rhizosphere of Giant Lily (Cardiocrinum giganteum)

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