江苏水利Issue(2)：1-5,5.
石臼湖沉积物磷形态特征及分布规律
Morphological characteristics and distribution of phosphorus in sediments of Shijiu Lake
摘要
Abstract
In order to study the forms and distribution characteristics of phosphorus in the sediments of Shijiu Lake,the Hedley and SMT extraction methods were combined with multivariate statistical analysis to determine and conduct a comparative analysis of the forms of phosphorus in the sediments of Shijiu Lake and different types of soils within the watershed.The results showed that in different types of sediments/soils,phosphorus is mainly in the form of inorganic phosphorus,with Ca-P accounting for the highest proportion,followed by Fe-P and NaHCO3-P,and H2O-P accounting for the lowest proportion;The overall content of phosphorus forms shows the characteristics of estuarine sediments>lake sediments>agricultural soils.The research results reveal the potential relationship between the form of phosphorus in the sediment of Shijiu Lake and different types of soil in the watershed,indicating that non-point source pollution in the watershed is the main contributor to the phosphorus load of Shijiu Lake sediment.关键词
沉积物/农业土壤/磷形态/生物有效磷/分布特征/石臼湖Key words
sediment/agricultural soil/phosphorus forms/bioavailable phosphorus/distribution/Shijiu Lake分类
资源环境引用本文复制引用
黄睿,段晓雪,董阿忠,胡晓东,袁和忠,张涵..石臼湖沉积物磷形态特征及分布规律[J].江苏水利,2025,(2):1-5,5.基金项目
国家自然科学基金(42207303) （42207303）
江苏省基础研究计划自然科学基金(BK20220705) （BK20220705）
江苏省水利科技项目(2021038) （2021038）
