Effect of species dispersal and environmental factors on species assemblages in grassland communities Community assembly during recovery of tropical lowland rain forest from abandoned shifting cultivation lands on Hainan Island, China Assembly patterns of plant functional traits in alpine meadow under disturbances by mowing and fertilization Research advances in plant community assembly mechanisms Impacts of Different Logging Methods on Phylogenetic Structure in Tropical Montane Ra inforest of Hainan Island, China Research advances in the relationships between species diversity and invasibility in grassland communities