{"database":"biostudies-literature","file_versions":[],"scores":null,"additional":{"submitter":["Jiang G"],"funding":["National Natural Science Foundation of China","National Key Research and Development Program of China","National Natural Science Foundation of China (National Science Foundation of China)"],"pagination":["190"],"full_dataset_link":["https://www.ebi.ac.uk/biostudies/studies/S-EPMC12780225"],"repository":["biostudies-literature"],"omics_type":["Unknown"],"volume":["17(1)"],"pubmed_abstract":["Retrogressive thaw slumps are an increasingly prevalent form of abrupt permafrost thaw that can reshape ecosystem carbon exchange, yet their impacts remain poorly quantified. Here we show, using chamber measurements of fluxes at five young slumps during the 2024 growing season and a complementary August 2025 survey at five young and two older slumps, that thaw slumps shift alpine grasslands on the interior Tibetan Plateau from a carbon sink toward a carbon source. Exposed, vegetation-free surfaces halve respiration but reduce gross primary productivity by approximately four-fifths, producing a large increase in net CO<sub>2</sub> release relative to undisturbed ground. CH<sub>4</sub> uptake occurs but is too small to offset these losses. Cross-age comparisons show that the CO<sub>2</sub> a"],"journal":["Nature communications"],"pubmed_title":["Thaw slumps alter ecosystem carbon budget in alpine grassland on the Tibetan Plateau."],"pmcid":["PMC12780225"],"funding_grant_id":["42371141"],"pubmed_authors":["Men X","Yang Y","Jiang G","Zeng L","Hu W","Elberling B","Wu Q","Fu Z","Du W","Gao S","Wang L"],"additional_accession":[]},"is_claimable":false,"name":"Thaw slumps alter ecosystem carbon budget in alpine grassland on the Tibetan Plateau.","description":"Retrogressive thaw slumps are an increasingly prevalent form of abrupt permafrost thaw that can reshape ecosystem carbon exchange, yet their impacts remain poorly quantified. Here we show, using chamber measurements of fluxes at five young slumps during the 2024 growing season and a complementary August 2025 survey at five young and two older slumps, that thaw slumps shift alpine grasslands on the interior Tibetan Plateau from a carbon sink toward a carbon source. Exposed, vegetation-free surfaces halve respiration but reduce gross primary productivity by approximately four-fifths, producing a large increase in net CO<sub>2</sub> release relative to undisturbed ground. CH<sub>4</sub> uptake occurs but is too small to offset these losses. Cross-age comparisons show that the CO<sub>2</sub> a","dates":{"release":"2025-01-01T00:00:00Z","publication":"2025 Nov","modification":"2026-06-06T11:23:51.29Z","creation":"2026-05-29T03:12:55.497Z"},"accession":"S-EPMC12780225","cross_references":{"pubmed":["41318573"],"doi":["10.1038/s41467-025-66869-4"]}}