Thawing permafrost increases old soil and autotrophic respiration in tundra: Partitioning ecosystem respiration using δ¹³C and {increment}¹⁴C

Agriculture & Biology

• ecosystem respiration 77%
• permafrost 73%
• tundra 62%
• soil respiration 59%
• thawing 49%
• cell respiration 49%
• climate change 33%
• growing season 19%
• primary productivity 19%
• ecosystems 18%
• soil 16%
• net primary productivity 10%
• plant communities 7%
• carbon 5%

Earth & Environmental Sciences

• soil respiration 54%
• thawing 52%
• tundra 52%
• permafrost 47%
• respiration 43%
• partitioning 40%
• permafrost ecosystem 34%
• ecosystem 28%
• climate change 28%
• growing season 26%
• primary production 18%
• warming 15%
• productivity 13%
• plant community 9%
• community composition 8%
• soil 8%
• incubation 8%
• young 6%
• carbon 5%

Chemical Compounds

• Tundra 100%
• Soil Respiration 98%
• Ecosystem 57%
• Soil 41%
• Carbon Atom 5%