PRELIMINARY STUDY OF CO2 FLUX OF A LARCH FOREST BY EDDYCOVARIANCE AND ECOPHYSI OLOGICAL METHODS Ecological effects of six diseases and insects on larch crown Larch litter and soil fertility RESEARCH ON THE ECOLOGICAL FACTORS AND ECOLOGICAL MODELL OF LARCH NEEDLE CAST Establishment and Optimization of plant regeneration of Hybrid larch(L.gmelinii 10×L.kaempferi 13) Carbon Stocks Model of Compatible Individual Tree in the Natural Larch Forest of Daxing’an Mountains Carbon Storage Maturity of Larch Plantation in Heilongjiang Province Modeling Branch Diameter with Linear Mixed Effects for Dahurian Larch Inside Bark Diameter Prediction Models for Dahurian Larch A STUDY ON INTRODUCTION OF LARCH DIFFERENTIATION OF JUVENILE WOOD ZONE AND EFFECT OF TREE GROWTH RATE ON INCREMENT OF THE JUVENILE WOOD SOME BIOLOGICAL AND ECOLOGICAL CHARACTERISTICS OF STROBILOMYIA MELANIOLA (FAN) (DIPTERA:ANTHOMYIIDAE) Studies on Biological Productivity of Artificial Forests of Dahurian Larches Cloning and Stress Expression Analysis of Calnexin in Tomato Forecast of larch leaf cast and its control threshold