On the basis of the biomass and productivity research,and by means of calorimetry measurement,the standing crop of energy,net energy production and energy conversing efficiency of Pinus taiwanensis community were determined.The results were as follows:(1)There were some differences in the gross caloric value among the fractions of Pinus taiwanensis community.The gross caloric value of bark of trunk was the highest(22 14kJ/g),that of dead root was the lowest(16 27kJ/g).(2)The energy in standing cro...