Long-term fencing can't benefit plant and microbial network stability of alpine meadow and alpine steppe in Three-River-Source National Park

The Science of The Total Environment, Год журнала: 2023, Номер 902, С. 166076 - 166076

Опубликована: Авг. 8, 2023

Язык: Английский

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Reduced soil multifunctionality and microbial network complexity in degraded and revegetated alpine meadows

Journal of Environmental Management, Год журнала: 2023, Номер 343, С. 118182 - 118182

Опубликована: Май 22, 2023

Язык: Английский

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Afforestation alters soil microbial community composition and reduces microbial network complexity in a karst region of Southwest China

Land Degradation and Development, Год журнала: 2024, Номер 35(8), С. 2926 - 2939

Опубликована: Март 19, 2024

Abstract Soil microbial community plays important roles in altering ecological processes and biogeochemical cycles ecosystems. However, little is known about how afforestation influences the diversity, composition, network of soil karst regions. In this study, samples were collected from one farmland (FL) three lands including bamboo forest (BA), landscape tree planting (LAT), orange orchard (ORO) a region Southwest China. The bacterial fungal communities characterized using high‐throughput sequencing approach, properties organic carbon, pH, water content, total available nutrient contents measured under different land use treatments. Results showed that conversion FL to BA LAT significantly reduced Shannon diversity community. At phylum level (top 10), genus 30), operational taxonomic units (OTUs) level, resulted significant changes nine phyla, 24 genera, 31.32% OTUs community, 13 11.62% number nodes, negative edges, connectivity, average degree, relative modularity decreased by 9.33%–18.66%, 47.98%–72.75%, 0.45%–5.93%, 14.73%–22.29%, 6.46%–23.50%, respectively, compared with FL. potassium phosphorus identified as key affecting Compared ORO, more obvious because higher carbon (13.48%) (27.18%). conclusion, changed compositions complexity regions, had stronger on than other These findings provide context necessary evaluate responses

Язык: Английский

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Grazing intensity, duration, and grassland type determine the relationship between soil microbial diversity and ecosystem multifunctionality in Chinese grasslands: A meta-analysis

Ecological Indicators, Год журнала: 2023, Номер 154, С. 110801 - 110801

Опубликована: Авг. 25, 2023

Grazing can alter soil microbial diversity and ecosystem multifunctionality (EMF) through feeding, trampling, excreta deposition. However, it remains unclear how grazing intensity duration across Chinese grasslands affect the relationship between EMF. Here, we conducted a meta-analysis to analyze responses of EMF disturbance using 54 publications with 62 sample sites from alpine temperate in China. The results showed that tended decrease increasing intensity. Bacterial was significantly negatively correlated under moderate grazing, whereas fungal positively heavy grazing. Both bacterial regulated effects on durations up 5 years. Furthermore, typical steppe but grassland, steppe. Our highlight importance maintaining grassland ecosystem. We suggest both intensity, type should be seriously considered conservation biodiversity sustainability services functions.

Язык: Английский

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Effects of plant diversity, soil microbial diversity, and network complexity on ecosystem multifunctionality in a tropical rainforest

Frontiers in Plant Science, Год журнала: 2023, Номер 14

Опубликована: Сен. 18, 2023

Introduction Plant diversity and soil microbial are important driving factors in sustaining ecosystem multifunctionality (EMF) terrestrial ecosystems. However, little is known about the relative importance of plant diversity, network complexity to EMF tropical rainforests. Methods This study took rainforest Xishuangbanna, Yunnan Province, China as research object, quantified various functions such organic carbon stock, nutrient cycling, biomass production, water regulation explore relationship effect EMF. Results Our results exhibited that decreased with increasing liana species richness, fungal complexity, which followed a trend initially then decreasing bacterial while complexity. Soil primarily affected cycling. Additionally, richness had significant negative on stocks. The random forest model suggested indicated more structural equation revealed tree displayed significantly positive effects EMF, via pathway. We also observed indirectly through bulk density thus influencing Simultaneously, we further found was main indicator rainforest, primary factor. Discussion findings provide new insight into between biodiversity contribution microibal function global climate change.

Язык: Английский

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Assembly processes of rare and abundant taxa are closely related to the bacterial and fungal functionality during desert vegetation reestablishment

Pedosphere, Год журнала: 2024, Номер unknown

Опубликована: Март 1, 2024

Язык: Английский

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Effects of soil conditioners on vineyard saline soil physicochemical properties and bacterial community in arid areas

Land Degradation and Development, Год журнала: 2024, Номер 35(10), С. 3434 - 3447

Опубликована: Май 5, 2024

Abstract Soil salinization adversely affects soil quality and ecosystem. Many researches have tried to ameliorate saline soils by conditioners. However, little is known about the differences in responses of bacterial communities natural artificial conditioners applied soils. Therefore, this study, effects humic acid (IK), synthetic polymer (IP), composite material (IF) (mixture IK IP (1:1)) on community structure functional genes were evaluated clarify their differences. The results showed that application three significantly reduced pH Na + content but increased alkaline phosphatase, urease, invertase catalase activities, diversity, nutrients, compared control (no conditioner). relative abundance (e.g., Subgroup_6 , RB41 MND1 KD4‐96 ) metabolic functions Two‐component system Biosynthesis amino acids) increasing nitrogen maintaining K balance. phosphatase urease activities as well Gemmatimonadaceae Quorum sensing carbon metabolism) organic carbon/nitrogen content. IF available regulated pathways ABC transporters microbial metabolism). On whole, IK, IP, could regulate function This study clarifies difference different amelioration from perspective microbiology, provides a reference for arid areas.

Язык: Английский

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Synergistic mechanisms of AMF and biochar driving rhizosphere fungal community in shallot in barren soil

Horticultural Plant Journal, Год журнала: 2024, Номер 10(5), С. 1252 - 1256

Опубликована: Июль 27, 2024

Язык: Английский

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Soil microfauna mediate multifunctionality under multilevel warming in a primary forest

Journal of Animal Ecology, Год журнала: 2024, Номер unknown

Опубликована: Ноя. 17, 2024

Abstract Soil microfauna play a crucial role in maintaining multiple functions associated with soil phosphorous, nitrogen and carbon cycling. Although both diversity multifunctionality are strongly affected by climate warming, it remains unclear how their relationships respond to different levels of warming. We conducted 3‐year multilevel warming experiment five treatments subtropical primary forest. Using infrared heating systems, the surface temperature plots was maintained at 0.8, 1.5, 3.0 4.2°C above ambient (control). Our findings indicated that low‐level (+0.8–1.5°C) increased multifunctionality, as well nematode protist diversity, compared control. In contrast, high‐level (+4.2°C) significantly reduced these variables. also identified significant positive correlations between 0–10 cm layer. Notably, we found did not change under 3.0°C treatment. results imply increase around 3°C may represent critical threshold forests, which is great importance for identifying response measures global from perspective soil. provide new evidence on regulate varying degrees forests.

Язык: Английский

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Water level fluctuation regulated the effect of bacterial community on ecosystem multifunctionality in Poyang Lake wetland

Journal of Environmental Management, Год журнала: 2025, Номер 373, С. 123965 - 123965

Опубликована: Янв. 1, 2025

Язык: Английский

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