A comparative study on genetic differentiation of Leymus chinensis in different geographic populations Studies on the Supercooling Point of Ericerus pela at Different Instars and Overwintering Female Adults of Different Geographic Populations Genetic differentiation within and between Leymus chinensis populations from different zones of Mid-Eastern Inner Mongolia steppe Genetic differentiation in eight populations of Leymus chinensis in Inner Mongolia Steppe Effects of Long-term High-temperature Stress on the Biomass and NonStructure Carbohydrates of Pinus sylvestris var. mongolica Seedlings GENETIC DIFFERENTIATION OF GEOGRAPHIC POPULATIONS IN LIRIODENDRON CHINENSE USING RAPD MARKERS Genetic Differentiation of Matsucoccus matsumurae from Three Geographic Populations in China The cold hardiness in the different geographic populations of Asian corn borer, Ostrinia furnacalis Susceptibility to pesticides of different geographic populations of Hylyphantes graminicola and relative fitness of susceptible and resistant populations A RAPD analysis on genetic differentiation of Stipa krylovii populations in central and eastern Inner Mongolia Steppe