Additions to the Flora of Hainan,China(Ⅲ) Forest Ecosystems in the Long Sweep of History:An Economic Perspective Chemical Constituents from Dysoxylum hainanense Studies on the alkaloids from stem of Artabotrys hainanensis A PRELIMINARY STUDY ON THE FLORA OF GANSHILING, SOUTH HAINAN Study on the Plant Vegetation and Floristic in Tongtieling of Hainan Plant Diversity of the Artificial Ecosystem in Zhayun Township,Qiongzhong,Hainan The dynamics of spatial and temporal changes to forested land and key factors driving change on Hainan Island Carbon Storage and Its Distribution of Eucalyptus urophylla × E.tereticornis Plantations in Hainan Island, Southern China Investigation and Analysis of Fertility Characteristics of Oryza rufipogon Griff . in North Part of Hainan Province Investigationand Cluster Analysis of Main Morphological and Economical Characters for Oiltea Resource in Hainan The distribution of urea concentrations and urease activities in the coastal waters of Hainan Island during the spring Notes on the Genus Prismatomeris Thw. (Rubiaceae) of China A Supplement to the Chloranthaceae of China Effects of Dipterocarpaceae on arbuscular mycorrhizal fungi Growth characteristics of Porites lutea skeleton in east sea area of Hainan Island, China and main affecting environmental factors. Vertical structure of lianas in a tropical montane rain forest in Bawangling Nature Reserve, Hainan Island, China Bretschneideraceae,a New Record Family from Hainan Province,China Stauranthera grandiflora, a newly recorded plant from Hainan Island Observation on the gametophyte development of Phymatosorus hainanensis(Polypodiaceae) A new species of Machilus(Lauraceae)from Hainan Island A NEW SPECIES OF KURZIA (LEPIDOZIACEAE, HEPATICAE) FROM CHINA GROWTH PROCESS OF MANGLIETIA HAINANENSIS IN JIANGFENGLING, HAINAN ISLAND GAPS AND THEIR NATURAL DISTURBANCE REGIMES IN THE TROPICAL MONTANE RAIN FOREST OF HAINAN ISLAND THE RESOURCE AND ECOLOGY OF POLYPORE SPECIES IN HAINAN ISLAND Study on Morphological Diversity of Cynodon arcuatus in Hainan Study on the community of Euphorbia hainanensis in the limestone shrubland of Exianling Moutains, Hainan Province