Effects of artificial cultivation of Aralia elata under different environmentc onditions Study on genetic diversity of Cynanchum otophyllum in Yunnan by AFLP Study on genetic diversity of Cynanchum otophyllum in Yunnan by AFLP Correlation analysis between meteorological factors, biomass, and active components of Salvia miltiorrhiza in different climatic zones Impacts of typhoon storm on farmland ecological environments in the eastern coastal area of Zhejiang Province and their countermeasures