ArticleFrontiers in plant science2022
Nitrogen Deposition Shifts Grassland Communities Through Directly Increasing Dominance of Graminoids: A 3-Year Case Study From the Qinghai-Tibetan Plateau.
Article in Frontiers in plant science, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed.
- Nitrogen addition level is more influential to aboveground productivity than nitrogen addition frequency in an alpine grassland.Frontiers in plant science · 2026Article
- Influence Pattern and Mechanism of Increased Nitrogen Deposition and AM Fungi on Soil Microbial Community in Desert Ecosystems.Microorganisms · 2025Article
- Effects of Simulated Nitrogen Deposition on the Physiological and Growth Characteristics of Seedlings of Two Typical Subtropical Tree Species.Plants (Basel, Switzerland) · 2025Article
- Nutrient Additions Regulate Height Growth Rate but Not Biomass Growth Rate of Alpine Plants Through the Contrasting Effect of Total and Available Nitrogen.Plants (Basel, Switzerland) · 2025Article
- Effects of nitrogen deposition on soil nitrogen fractions and enzyme activities in wet meadow of the Qinghai-Tibet Plateau.Scientific reports · 2024Article
- Changes in the Phylogenetic Structure of Alpine Grassland Plant Communities on the Qinghai-Tibetan Plateau with Long-Term Nitrogen Deposition.Plants (Basel, Switzerland) · 2024Article
- Article
- Potential short-term effects of earthquake on the plant-soil interface in alpine grassland of the Qinghai-Tibetan Plateau.Frontiers in plant science · 2023Article
- Nitrogen Addition Affects Ecosystem Carbon Exchange by Regulating Plant Community Assembly and Altering Soil Properties in an Alpine Meadow on the Qinghai-Tibetan Plateau.Frontiers in plant science · 2022Article
- Response strategies of fine root morphology ofFrontiers in plant science · 2022Article
- Characteristics of nitrogen deposition research within grassland ecosystems globally and its insight from grassland microbial community changes in China.Frontiers in plant science · 2022Article
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6 authors.
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Abstract
Nitrogen (N) deposition has been increasing for decades and has profoundly influenced the structure and function of grassland ecosystems in many regions of the world. However, the impact of N deposition on alpine grasslands is less well documented. We conducted a 3-year field experiment to determine the effects of N deposition on plant species richness, composition, and community productivity in an alpine meadow of the Qinghai-Tibetan Plateau of China. We found that 3 years of N deposition had a profound effect on these plant community parameters. Increasing N rates increased the dominance of graminoids and reduced the presence of non-graminoids. Species richness was inversely associated with aboveground biomass. The shift in plant species and functional group composition was largely responsible for the increase in productivity associated with N deposition. Climatic factors also interacted with N addition to influence productivity. Our findings suggest that short-term N deposition could increase the productivity of alpine meadows through shifts in composition toward a graminoid-dominated community. Longer-term studies are needed to determine if shifts in composition and increased productivity will be maintained. Future work must also evaluate whether decreasing plant diversity will impair the long-term stability and function of sensitive alpine grasslands.
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