Variations in the natural 13C and 15N abundance of plants and soils under long-term N addition and p

• 作 者: Guoyong Yan Shijie Han Mingxin
• 机 构: SchoolofLifeSciences,CollegeofAgriculturalResourceandEnvironment,SchoolofForestry,SchoolofLifeScienc
• 出 处: 森林生态系统:英文版
• 发表日期: 2020年4期
• 关键词: δ13C δ15N N addition Precipitation reduction Nutrient acquisition strategies
• 基金项目: from National Natural Science Foundation of China(Grant Nos:41773075,41575137,31370494,31170421).

Background:The nitrogen isotope natural abundance(δ15N)provides integrated information on ecosystem N dynamics,and carbon isotope natural abundance(δ13C)has been used to infer how water-using processes of plants change in terrestrial ecosystems.However,ho