Methods for the determination of CO2 flux from non-photosynthetic organs of trees and their influences on the results Study on the CO2 grads and flux in near canopy layer of tropical mountain rainforest at Jianfengling, Hainan Island In Situ Measurements of CO2 Flux in Grassland Ecosystem by Closed Chamber Technique A STUDY ON THE MEASUREMENT OF CO 2 EMISSION FROM THE SOIL OF THE SIMULATED Quercus Liaotungensis FOREST SAMPLED FROM BEIJING MOUNTAIN AREAS Carbon dioxide fluxes from soil respiration and woody debris decomposition in boreal forests