Phosphorus Alleviation of Nitrogen-Suppressed Methane Sink in Global Grasslands

Lihua Zhang from Minzu University of China published a study on grassland methane sinks. The research includes a 4-year field experiment and a meta-analysis of 382 data points from global grasslands. It estimates that nitrogen deposition suppresses the global grassland methane sink by 11%, while concurrent phosphorus deposition alleviates this suppression by 6%.

Use Cases

• Modeling the global methane cycle based on grassland sink data.
• Analyzing the impact of nitrogen deposition on soil methane uptake.
• Studying the interactive effects of nitrogen and phosphorus on microbial enzyme competition.
• Projecting future changes in atmospheric methane based on nutrient deposition scenarios.

Strengths

• Findings are supported by a 4-year field experiment.
• Meta-analysis incorporates 382 data points from global grasslands.
• Provides quantitative global impact estimates (11% suppression, 6% alleviation).

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is unknown, which may limit suitability assessment.
• Last update date is unknown; freshness unverified.

Provenance

Source

Minzu University of China

Collection Method

4-year field experiment combined with a meta-analysis of published studies.

Geography

Global grasslands