SPECIFIC LEAF AREA AND LEAF AREA INDEX OF CONIFER PLANTATIONS IN QIANYANZHOU STATION OF SUBTROPICAL CHINA Role of Nitric Oxide and Nucleases in Different Pine Species Inoculated with a Nematode (Bursaphelenchus xylophilus) in Their Resistance to the Infection Population genetic diversity and species divergence of Pinus massoniana and P. hwangshanensis at two nucleotide loci Effects of gap size in Pinus massoniana plantations on different soil labile organic carbon fractions The relationship between content of pine inclusion and the population amount of Monochamus alternatus Effects of gaps on distribution of soil aggregates and organic carbon in Pinus massoniana plantation. STUDY ON ENERGY PATTERN OF RECOVERING THE P.MASSONIANA AND SHRUBS MIXED FOREST ON THE SERIOUS DEGRADATION RED SOIL