The State Key Laboratory of Environmental Geochemistry;
Institute of Geochemistry;
Chinese Academy of Sciences;
Guiyang 550002;
China;
Chongqing Key Laboratory ofExogenic Minerallization and Mine Environment;
Chongqing Institute of Geology and Mineral Resources;
Chongqing 400042;
China;
Chongqing Research Center of State Key Laboratory of Coal Resources and Safe Mining;
Chongqing 400042;
China;
Graduate School of Chinese Academy of Sciences;
Beijing 100049;
China;
College of Urban Planning and Environment Science;
Xuchang University;
Xuchang 461000;
China;
碳同位素组成; 有机物质; 澄海; 海底泥; 湖泊沉积物; 水生植物; 生产力; 有机质;