外源碳添加对三江湿地土壤有机碳矿化的影响OA
Effects of Exogenous Carbon Additions on Soil Organic Carbon Mineralization in Sanjiang Plain Wetland
采用模拟实验探究不同浓度外源碳添加对土壤有机碳(SOC)矿化的影响.结果显示,SOC累积矿化量随碳添加浓度升高而显著增加,平均矿化速率在添加量为1.50％时达到显著峰值;SOC累积矿化量与微生物生物量碳(MBC)显著正相关,外源碳浓度可解释矿化量变异的48.70％.外源碳添加对三江平原湿地SOC矿化具有显著促进作用,其浓度阈值为1.50％.
A simulation experiment was conducted to investigate the effects of different concentrations of exogenous carbon addition on soil organic carbon(SOC)mineralization.The results showed that the cumulative SOC minerali-zation increased significantly with higher carbon addition concentrations,and the average mineralization rate peaked significantly at an addition concentration of 1.50％.The cumulative SOC mineralization was significantly positively correlated with microbial biomass carbon(MBC),and the exogenous carbon concentration explained 48.70％of the variation in mineralization.Exogenous carbon addition significantly promoted SOC mineralization in the wetlands of the Sanjiang Plain,with a threshold concentration of 1.50％.
石兰英;李沐奚;刘宇;李旭龙
牡丹江师范学院 历史与文化学院,黑龙江 牡丹江 157011牡丹江师范学院 历史与文化学院,黑龙江 牡丹江 157011牡丹江师范学院 历史与文化学院,黑龙江 牡丹江 157011牡丹江师范学院 历史与文化学院,黑龙江 牡丹江 157011
农业科技
外源碳添加土壤有机碳有机碳矿化活性有机碳组分
exogenous carbon additionsoil organic carbonorganic carbon mineralizationactive organic carbon components
《牡丹江师范学院学报（自然科学版）》 2026 (2)
40-45,6
黑龙江省自然科学基金项目(LH2023D020)黑龙江省省属科研院所科研业务费项目(CZKYF2021-2-A005)牡丹江师范学院教改项目(25-XJ04325-XJ038)
评论