Research on nitrate concentrations of sea surface by remote sensing in the Northern South China Sea STUDY ON RELATIONSHIP BETWEEN SERIOUS FOREST FIRE ANNUITY AND ABNORMAL CHANGE OF SEA SURFACE TEMPERATURE Growth characteristics of Porites lutea skeleton in east sea area of Hainan Island, China and main affecting environmental factors. Modern marine entironment information records in hermatypic coral Latest forty two years‘ sea surface temperature change of Weizhou Island and its influence on coral reef ecosystem The coral reef at Dengloujiao, Leizhou Peninsula, northern coast of the South China Sea——its ecology and sustainable development as a resource