Introduction of large ear wheat variety Xianyang84(Jia)79 31 Butterfly diversity and evaluation of forest eco-system health in important ecological areas of Zhejiang Province Comparison of photosynthetic eco-functions of water hyacinth and their environmental factors in different areas Analysis of agronomic traits of winter rapeseed (Brassica campestris L.) in different ecological areas of North China Comparative Analysis on the Chromosome Karyotypes of Coptis teeta Populations of Yunnan in Different Ecological Areas