Thermal dissipation method and ICT-2000TE (Transpiration-Environment) automatic measuring system for tree transpiration and environmental factors were applied to study comparatively the stem sap flow dynamics of main tree species (Quercus mongolica, Fraxinus mandshurica, Pinus koraiensis, Phellodendron amurense, Juglans mandshurica, Betula platyphylla, Tilia amurensis and Pinus sylvestris) in field under the consistent tree status and environmental factors. The tree biological and environmental f...