Performance of Hybrids between Weedy Rice and Insect-resistant Transgenic Rice under Field Experiments: Implication for Environmental Biosafety Assessment The effects of different land-use scenarios on habitat suitability of indicator species in the Liaohe River Delta wetlands Global consequences and control strategies of biological invasion Age-structure dynamics and genetic consequences of Hippophea rhamnoides Lsubsp sinensis clone population in Mu Su sandland Invasive Spartina alterniflora: biology, ecology and management Consequences and strategies about the excessive grazing to public grassland in Bashang