Construction of Soil Organic Carbon Influencing Factors System in Pearl River Estuary

With popularity of computer applications and new technologies，as well as development of air satellite remote sensing and geographic information system，these technologies are increasingly improving data on soil and vegetation around world and in regions，and it provide important basis for further investigation.In order to explore influence factors of organic carbon in cultivated land in pearl river delta and construct influencing factor system，construction of influence factor system of soil organic carbon in pearl river estuary were studied.