학술논문
Patterns and controlling factors of soil carbon sequestration in nitrogen-limited and -rich forests in China—a meta-analysis
Document Type
article
Source
PeerJ, Vol 11, p e14694 (2023)
Subject
Language
English
ISSN
2167-8359
Abstract
Soil organic carbon (SOC) management has the potential to contribute to climate change mitigation by reducing atmospheric carbon dioxide (CO2). Understanding the changes in forest nitrogen (N) deposition rates has important implications for C sequestration. We explored the effects of N enrichment on soil carbon sequestration in nitrogen-limited and nitrogen-rich Chinese forests and their controlling factors. Our findings reveal that N inputs enhanced net soil C sequestration by 5.52–18.46 kg C kg−1 N, with greater impacts in temperate forests (8.37–13.68 kg C kg−1 N), the use of NH4NO3 fertilizer (7.78 kg Ckg−1 N) at low N levels (