Experimental Soil Warming and Permafrost Thaw Increase CH₄ Emissions in an Upland Tundra Ecosystem

Agriculture & Biology

• permafrost 100%
• soil heating 98%
• tundra 84%
• methane 63%
• highlands 60%
• ecosystems 49%
• carbon dioxide 12%
• Arctic region 11%
• growing season 8%
• subsidence 8%
• graminoids 7%
• wet environmental conditions 7%
• anaerobiosis 6%
• soil organic carbon 6%
• shoulders 6%
• soil temperature 5%
• thawing 5%
• soil 5%
• soil water 4%
• degradation 3%

Earth & Environmental Sciences

• tundra 70%
• permafrost 64%
• warming 51%
• ecosystem 38%
• soil 27%
• growing season 13%
• moisture 10%
• transition 9%
• thawing 7%
• soil temperature 7%
• respiration 6%
• subsidence 6%
• soil moisture 5%
• carbon dioxide 5%
• organic carbon 5%
• methane 5%
• decomposition 5%
• rate 2%