Value Assessment of Ecosystem Service Function of Ecological Public Welfare Forests in Wenchang City

摘要

Based on the measurement parameters and index in the Specifications for Assessment of Forest Ecosystem Services in China（LY/T 1721-2008）,the value of ecological service functions of ecological public welfare forest in Wenchang City was evaluated and analyzed.The results show that the total value of ecosystem service function of ecological public welfare forests in Wenchang City is about 4.020 billion yuan,of which storage capacity,water purification,soil fixation,fertilizer（N,P and K fertilizer） conservation,carbon sequestration,oxygen release,forest nutrient accumulation,providing anion,absorbing SO2,absorbing fluoride,absorbing NxO,absorbing soil heavy metals,dust retention,noise reduction,sterilization,forest protection,forest biodiversity protection,and forest recreation（ecological tourism） are about 1.510 billion,582.256 million,3.769 million,268.220 million,116.360 million,2.747 million,22.682 million,42.817 million,1.722 million,74,600,131,900,187.918 million,77.409 million,28.721 million,43.090 million,180.696 million,571.036 million,and 108.677 million yuan respectively