Article ; Online: Exchangeable manganese regulates carbon storage in the humus layer of the boreal forest.
Proceedings of the National Academy of Sciences of the United States of America
2024 Volume 121, Issue 13, Page(s) e2318382121
Abstract: The huge carbon stock in humus layers of the boreal forest plays a critical role in the global carbon cycle. However, there remains uncertainty about the factors that regulate below-ground carbon sequestration in this region. Notably, based on evidence ... ...
Abstract | The huge carbon stock in humus layers of the boreal forest plays a critical role in the global carbon cycle. However, there remains uncertainty about the factors that regulate below-ground carbon sequestration in this region. Notably, based on evidence from two independent but complementary methods, we identified that exchangeable manganese is a critical factor regulating carbon accumulation in boreal forests across both regional scales and the entire boreal latitudinal range. Moreover, in a novel fertilization experiment, manganese addition reduced soil carbon stocks, but only after 4 y of additions. Our results highlight an underappreciated mechanism influencing the humus carbon pool of boreal forests. |
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MeSH term(s) | Taiga ; Manganese ; Carbon ; Soil ; Carbon Sequestration ; Forests |
Chemical Substances | Manganese (42Z2K6ZL8P) ; Carbon (7440-44-0) ; Soil |
Language | English |
Publishing date | 2024-03-19 |
Publishing country | United States |
Document type | Journal Article |
ZDB-ID | 209104-5 |
ISSN | 1091-6490 ; 0027-8424 |
ISSN (online) | 1091-6490 |
ISSN | 0027-8424 |
DOI | 10.1073/pnas.2318382121 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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