VERTICAL ZONES OF BRYOPHYTES IN GUANCEN MOUNTAINS FOREST AREA IN SHANXI PROVINCE Classification and Ordination of Picea wilsonii Forests in the Luya Mountain Nature Reserve Correlation Analysis Between Landscape Characteristics of Ecotourist Vegetation and Geographical Factors in Luya Mountain Relationship Between Tourism Development and Vegetation Environment in Luya Mountain Nature Reserve I. Quality Analysis of Vegetation Environment Responses of radial growth in Larix principis-rupprechtii to climate change along an elevation gradient on the southern slope of Luya Mountain Relationship between tourism development and vegetation environment in Luya Moun tain Nature Reserve:tourism influencing index and some indices analysis WT Relationship between tourism development and vegetation environment in Luya Mountain Nature Reserve: vegetation landscape types and ordination STUDIES ON FLORA DIVERSITY OF THE SEED PLANTSIN LUYA MOUNTAIN NATURE RESERVE,SHANXI Application of Self-Organizing Feature Map to Classification and Ordination of Picea wilsonii Forest in Luya Mountain Nature Reserve A PRELIMINATY STUDY ON THE BRYOFLORA OF GUANCEN MOUNTAINS FOREST AREA IN SHANXI PROVINCE Studies on relationship between species in plant communities of Luya Mountains Stem radius growth features of Picea meyeri and its relationship with environmental factors at the treeline of Luya Mountain Soil organic carbon storage and profile inventory in the different vegetation types of Luya Mountain