Interspecific segregation of species in tree and shrub layers of the Pinus bungeana Zucc. ex Endl. community in the Wulu Mountains, Shanxi Province, China A STUDY ON SEED AND GERMINATION CHARACTERISTICS OF PINUS BUNGEANA ZUCC. EX ENDL. FROM DIFFERENT PROVENANCES CLIMATIC REGIONALIZATION ON THE DISTRIBUTION AREA OF PINUS BUNGEANA The Relationship Between Parameters of Electrical Impedance Spectroscopyand Some Physiological Parameters in Pinus bungeana Zucc. Needles DuringDehardening The Relationship Between Parameters of Electrical Impedance Spectroscopyand Some Physiological Parameters in Pinus bungeana Zucc. Needles DuringDehardening Studies on Cytochemistry of Albuminous Ceils in Secondary Phloem of Stem in Pinus bungeana Zucc.