STUDIES ON THE INJURIOUS CHARACTERISTICS AND ITS DENSITY ESTIMATE OF THE LARVAE OF DIORYCTEIA YIAI A Study on some Symptoms of the Declining and Mortal Pinus massoniana Lamb. Forest on Nanshan Mountain in Chongqing STUDIES ON SYMBIOTIC MYCORRHIZA FUNGI WITH MASSON PINE THE GENETIC VARIATION OF NATURAL POPULATIOM OF PINUS MASSONIANA LAMB. Studies on chemical constituents from fresh pineneedles of Pinus massoniana Estimation of Parents Genetic Gain by Open-pollinated Progeny Test of Seedling Seed Orchard of Masson Pine THE GROWTH RESPONSE OF MASSON PINE PULPWOOD TO DIFFERENT THINNING INTENSITIES STUDY ON ROSIN CONTENT AND ITS MODIFICATION OF MASSON PINE STUDY ON THE STAND STRUCTURE LAW OF MULTI-STORIES MIXED UNEVENAGED PINUS MASSONIANA LAMB. PLANTATIONS SEASONAL DYNAMIC PATTERNS OF DEVELOPMENT AND NUTRIENT CONTENTS IN THE FEMALE CONES OF PINUS MASSONIANA LAMB A COMPARATIVE ANALYSIS ON PLANTING RESULT AND ECONOMIC BENEFIT OF PINUS MASSONIANA LAMB.FROM DIFFERENT PROVENANCE THE SEASONAL CHANGES OF BIRD COMMUNITY AND BIRD SPECIES DIVERSITY IN MASSON PINE(PINUS MASSONIANA LAMB.) PLANTATION IN NORTHERN ZHEJIANG PROVINCE The absorption and identification of volatiles from pine needles of Pinus massoniana Lamb.damaged by Dendrolimus punctatus(Walker) and the antennal responses of female Blepharipa zebina(Walker) to these volatile compounds Degraded Features of Pinus massoniana Forest Stressed by Compound-pollution due to particulate, SO2 and NOX