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Effects of land clearing for agriculture on soil organic carbon stocks in drylands: A meta-analysis

Citation

Wang, Yuangang et al. (2022), Effects of land clearing for agriculture on soil organic carbon stocks in drylands: A meta-analysis, Dryad, Dataset, https://doi.org/10.5061/dryad.mgqnk992r

Abstract

To improve our understanding of clearing natural ecosystems for cropland on soil organic carbon stocks in drylands, we searched for related peer-reviewed research papers published from 1980 to 2022 on the Web of Science (https://www.webofscience.com) and the Scopus Database (https://www.scopus.com) (accessed on 30th April 2022). Then, we screened papers for integrity, relevance, and scientific merit under the following criteria: (1) We made sure all studies were independent and based on field-measured data; (2) Each study had to report paired SOC stocks of cropland and adjacent natural ecosystems with the same or a similar suite of environmental factors; (3) Studies need to explicitly present results on SOC stocks or concentrations for certain depths and areas; (4) Studies have specified the types of natural ecosystems that were converted to cropland, which are used as criteria for defining CNEC types. Finally, we winnowed results to a total of 159 scientific journal articles, comprising 242 sites with 1379 paired soil layer observations from 601 paired soil profiles.

Funding

National Natural Science Foundation of China, Award: U1803243

Key Projects of Natural Science Foundation of Xinjiang Autonomous Region, Award: 2022D01D01

Chinese Academy of Sciences Strategic Priority Research Programme, Award: XDA20060302

National Natural Science Foundation of China, Award: 42177436

High-End Foreign Experts Project of China