上游充通大学 Shanghai Jiao Tong University 1、碳循环 Atmospheric C02 Human activities Land Animals and Dissolved plants microorganisms C02 Aquatic plants and Aquatic algae animals Death and Fossil Humus mineralization fuels Soil in sediments formation Rock Earth's crust formation 碳循环与氧循环密切相关 上海交大生命学院陈峰Shanghai Jiao Tong University 1、碳循环 碳循环与氧循环密切相关 上海交大生命学院陈峰