Responses of phytoplankton community to the construction of small hydropower stations in Hainan Province FINE AND FAST-GROWING FUELWOOD SPECIES SELECTION IN THE CENTRAL-NORTH HAINAN PROVINCE THE INSECT FAUNA AT JIANFENGLING IN HAINAN ISLAND -PYRALIDAE Forage Grasses Resources of Hainan Province and Assessment of Their Nutritional Values A Discussion on the Indicators and Standards of Ideal Structure of Montane Rainforest in Bawangling of Hainan Province Preliminary research on the zoning method of the marine ecological red line: a case study of Hainan Province Composition and diversity of spiders in the rubber plantation and natural forest of Hainan Island, China Investigation,Determination of Chemical Compositions and Screening of Non-food Bio-diesel Plant in Hainan Province Bretschneideraceae,a New Record Family from Hainan Province,China Two genera of Gesneriaceae Newly Recorded from Hainan Province A New Butt and Root Rot of Acacia confusa in Hainan of China ANTS OF JIANFENGLING FOREST REGION IN HAINAN PROVINCE (HYMENOPTERA: FORMICIDAE) CHEMICAL ELEMENT CONCENTRATIONS OF TROPICAL PLANT LEAVES IN HAINAN PROVINCE New records of plants of Lasianthus Jack (Rubiaceae) from Hainan Province, South China. Anatomical Characteristics of C4 and C3 Photosynthetic-pathway Poaceae Plants in Hainan Investigation and Analysis of Fertility Characteristics of Oryza rufipogon Griff . in North Part of Hainan Province Appraisal of ecological carrying capacity of regional urban-rural system aiming at Ecological Province — A case study of Hainan Province