Soil moisture and pH differentially drive arbuscular mycorrhizal fungal composition in the riparian zone along an alpine river of Nam Co watershed

Zhou, Yong‐Wu; Chen, Keyu; Muneer, Muhammad Atif; Li, Congcong; Shi, Hailan; Tang, Yu; Zhang, Jing; Ji, Baoming

doi:10.3389/fmicb.2022.994918

Cited by 7 publications

(4 citation statements)

References 82 publications

(68 reference statements)

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“…Research on red soil in southern China showed that pH, AP and AN significantly affected soil bacterial community structure ( Muneer et al, 2022 ). Moreover, in the alpine plateau of northern Tibet, variations in soil pH and SOC significantly affected composition of arbuscular mycorrhizal fungal communities ( Chen et al, 2022 ; Zhou et al, 2022 ; Zhang M. et al, 2022 ). These studies overlap in their assertion that the change in soil microbial diversity composition and structure may be caused by change in soil characteristics.…”

Section: Discussionmentioning

confidence: 99%

Improvement in gravel-mulched land soil nutrient and bacterial community diversity with Lonicera japonica

Wang,

Ma,

Liu

et al. 2023

Front. Microbiol.

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Gravel-mulched land in China suffers from poor natural resources and fragile ecological environment, posing a challenge to effective restoration of ecological function. Lonicera japonica, a traditional Chinese herb used for treating human diseases, is a highly adaptable and resilient plant species, can effectively improve the soil properties, and may have important implications for the ecology and economy of gravel-mulched land. A study was conducted in a gravel-mulched field to measure the impact of planting the L. japonica (including control (CK), 1-year, 2-year, and 4-year cultivation of plants) on (i) dynamic changes in soil nutrient and enzyme activity properties, and (ii) soil rhizosphere microbial community structure characteristics. We found that the concentration of soil organic carbon, available nitrogen, available phosphorus and available potassium in L. japonica soil after cultivation for 1–4 years increased by 11–409%. The urease, phosphatase and catalase activities were increased by 11–560%, with the highest nutrient concentration and enzyme activity in 4-year plants. The pH value gradually decreased after cultivation. The improved soil environments increased soil bacterial community diversity. Planting L. japonica significantly increased the bacterial ACE, Chao1 index, Simpson index, and Shannon-Wiener index. The Firmicutes, Proteobacteria and Bacteroidetes were observed in dominant phyla. The relative abundance of eight genera, including Streptococcus, Veillonella and Rothia, was significantly reduced by more than 1%. Taken together, these soil indicators suggest that planting L. japonica in the short term would be a cost-effective strategy to combat soil degradation in a gravel-mulched ecosystem.

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Section: Discussionmentioning

confidence: 99%

Improvement in gravel-mulched land soil nutrient and bacterial community diversity with Lonicera japonica

Wang,

Ma,

Liu

et al. 2023

Front. Microbiol.

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“…Discovered that soil pH has a significant impact on these fungi in agroecosystems and crops. Furthermore, [23] Soil water content and plant community composition are factors that greatly affect AM fungus communities in the four typical grassland ecosystems of Sanjiangyuan National Park, In oil palm, there is a positive correlation between AMF biodiversity and pH [21]. Based on these findings, lower soil pH and higher moisture content in peat can reduce the diversity of these fungi.…”

Section: The Abundance Of Amf Spores In Sample Of Trappingmentioning

confidence: 93%

“…Several studies have found that soil physicochemical properties have an impact on AMF communities [23]. Discovered that soil pH has a significant impact on these fungi in agroecosystems and crops.…”

Section: The Abundance Of Amf Spores In Sample Of Trappingmentioning

confidence: 99%

Exploration and culture of arbuscular mycorrhizal fungi from wild sago

Widiastuti,

Supriatna,

Bilah

et al. 2023

IOP Conf. Ser.: Earth Environ. Sci.

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The sago palm (Metroxylon sagu Rottb.) contains significant potential for carbohydrates. When harvested, the plant produces more than 300kg of dry starch per plant. Arbuscular mycorrhizal fungi (AMF, Glomeromycota) are known to often form symbiotic associations with the majority of higher plants, but there are limited studies on their interaction with Sago. Therefore, this study aims to obtain information on the presence of arbuscular mycorrhizal fungi from the rhizosphere of sago palms as well as to prepare pure cultures of the dominant species. Samples were collected from the test plant’s rhizosphere by exploring the West Papua region with a shallow peat area as a base. The soil bulk density in the region was 0.11-0.20 g cm−3 with a low pH (H2O) of 4.1. At the initial stage, a trapping culture was prepared from the rhizosphere soil sample, and a pure culture was then made from the dominant spore using telang (Clitoria ternatea.L) as the host. The observation results of spore morphology revealed that they belonged to Acaulosporaceae, Gigasporaceae, and Glomeraceae. The low abundance and diversity of AMF were caused by abiotic factors, including soil physicochemical properties.

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“…The Namtso basin has a semiarid subarctic plateau climate and the elevation of the Niyaqu catchment is 4732 to 5703 m, covering an area of 388 km 2 ( Yu et al, 2019 ). This study area is featured by high altitude, cold climate, and large diurnal temperature difference ( Zhou et al, 2022 ). The mean annual precipitation and mean annul temperatures are 35 mm and 2.8°C, respectively.…”

Section: Methodsmentioning

confidence: 99%

Soil diazotrophic abundance, diversity, and community assembly mechanisms significantly differ between glacier riparian wetlands and their adjacent alpine meadows

et al. 2022

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Global warming can trigger dramatic glacier area shrinkage and change the flux of glacial runoff, leading to the expansion and subsequent retreat of riparian wetlands. This elicits the interconversion of riparian wetlands and their adjacent ecosystems (e.g., alpine meadows), probably significantly impacting ecosystem nitrogen input by changing soil diazotrophic communities. However, the soil diazotrophic community differences between glacial riparian wetlands and their adjacent ecosystems remain largely unexplored. Here, soils were collected from riparian wetlands and their adjacent alpine meadows at six locations from glacier foreland to lake mouth along a typical Tibetan glacial river in the Namtso watershed. The abundance and diversity of soil diazotrophs were determined by real-time PCR and amplicon sequencing based on nifH gene. The soil diazotrophic community assembly mechanisms were analyzed via iCAMP, a recently developed null model-based method. The results showed that compared with the riparian wetlands, the abundance and diversity of the diazotrophs in the alpine meadow soils significantly decreased. The soil diazotrophic community profiles also significantly differed between the riparian wetlands and alpine meadows. For example, compared with the alpine meadows, the relative abundance of chemoheterotrophic and sulfate-respiration diazotrophs was significantly higher in the riparian wetland soils. In contrast, the diazotrophs related to ureolysis, photoautotrophy, and denitrification were significantly enriched in the alpine meadow soils. The iCAMP analysis showed that the assembly of soil diazotrophic community was mainly controlled by drift and dispersal limitation. Compared with the riparian wetlands, the assembly of the alpine meadow soil diazotrophic community was more affected by dispersal limitation and homogeneous selection. These findings suggest that the conversion of riparian wetlands and alpine meadows can significantly alter soil diazotrophic community and probably the ecosystem nitrogen input mechanisms, highlighting the enormous effects of climate change on alpine ecosystems.

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Soil moisture and pH differentially drive arbuscular mycorrhizal fungal composition in the riparian zone along an alpine river of Nam Co watershed

Cited by 7 publications

References 82 publications

Improvement in gravel-mulched land soil nutrient and bacterial community diversity with Lonicera japonica

Improvement in gravel-mulched land soil nutrient and bacterial community diversity with Lonicera japonica

Exploration and culture of arbuscular mycorrhizal fungi from wild sago

Soil diazotrophic abundance, diversity, and community assembly mechanisms significantly differ between glacier riparian wetlands and their adjacent alpine meadows

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