EFFECT OF DROUGHT STRESS ON STRUCTURE CHARACTERISTICS OF RIBULOSE-1,5-BISPHOSPHATE CARBOXYLASE IN PHRAGMITES COMMUNIS Electroantennogram and behavioural responses of two varieties of Leis axyridis from three types of habitats to aphid-damaged tea shoot volatiles and aphid kairomones Response of Leaf Anatomical Characteristics of Nitraria tangutorum Bobr.from Different Populations to Habitats Study on quality of Salvia miltiorrhiza from different habitats Comparative study on clonal and sexual reproductive traits of Leymus chinensis populations in different habitats Comparison on ginsenosides in Panax ginseng from different habitats in northeast China and its processed products The population structure and dynamics of Populus euphratica at the upper reaches of the Tarim River The change of water parameters in Tetraena mongolica with season and habitat Comparative analysis of morphological characteristics and effective composition contents of Epimedium pubescens in different habitats Analysis on the growth characteristics of Eupatorium catarium in different types of habitats sup>Effect of different habitats and floral characteristics on fruit set in Epimedium wushanense Establishment of quality evaluation system and difference analysis on roots of Codonopsis pilosula from different habitats Quantitative analysis of the effects of Stipa krylovii and Leymus chinensis on the factors of vitiality of Oedaleus decorus asiaticus Species Diversity and Community Stability of Populus simonii Plantations in Different Habitats in Hilly Area of the Loess Plateau The seasonal change of endogenous phytohormone and differentiation of populations in Tetraena mongolica in different habitats Analysis on morphological characteristics and effective composition contents of Houttuynia cordata in different habitats Establishment of quality evaluation system and difference analysis on roots of Codonopsis pilosula from different habitats Studies on the Secondary Xylem Anatomy of Hippophae rhamnoides under Different Habitats Size-Class Structure and Distribution Pattern of Emmenopterys henryi in Different Habitats Population Dynamics of Ranalisma rostratum, an Endangered Species Growing in Different