Forest ecosystems have been increasingly paid more and more attentions due to the roles in sequestration and storage of carbon with an increase in green house gas concentration in the atmosphere for the last decades. For forest ecosystems, the carbon storage and the cycling of carbon are common indicators to assess the CO_2 -fixation capacity. In southern China, mao bamboo (Phyllostachy pubescens) is an important forest resource, which can be widely utilized as materials, energy etc., and forms one of essen...