Chunan County Forest Ecosystem Services Valuation

This study combined the references and summarized the species of forest ecosystem service function, and the mechanism and evaluate method were also expatiated and analyzed. According to the theory analysis and combining the area environment reality, the index system of forest ecosystem service function value evaluation in ChunAn county was put forward: the value of forest maintenance soil function, the value of variety of forest conservation biology, the value of forest self-restraint fountain, the value of forest cleanse circumstance, the value of forest solidify carbon, the value of supply of byproduct by forest and the value of forest tour.The results of the value evaluation of forest ecosystem service function in ChunAn county showed: the total value of forest ecosystem service function in ChunAn county was2978615.03 ten thousands yuan. The value of supply of wood and forest byproducts by forest was 31000 ten thousands yuan; the value of forest maintenance soil function was 1886535.92 ten thousands yuan; the value of forest self-restraint fountain was 728870.78 ten thousands yuan; the value of forest solidify carbon was 3653.4 ten thousands yuan; the value of forest cleanse circumstance was 135245.24 ten thousands yuan; the value of variety of forest conservation biology was 309.69 ten thousands yuan; the value of forest tour was 193000 ten thousands yuan. According to the structure of value: the direct value of society economy was 224000 ten thousands yuan, which accounted for 7.52% of total value; the indirect zoology value was 2754615.03 ten thousands yuan, which accounted for 92.48% of total value.According to the upwards benefit research, using the theory of system dynamics, the simulation imitation research on the value of forest ecosystem service function in ChunAn county was performed. The results showed: from 2006 to 2026, the area of forest was 533702hm2,increased 49.99%.the total value of forest ecosystem service function was437.16×108yuan,increased 46.77%,in which, the value of forest soil conversation was 274.58×108yuan,increased 45.55%;the value of forest water preservation was108.51×108yuan,increased 48.87%,the forest air purification value was20.14×108yuan,increased 48.96%, the forest CO2 fixation value was0.54×108yuan,increased 45.95%,the forest bio-diversity preservation value was 0.05×108yuan,increased 66.67%, the forest travel valve was28.72×108yuan,increased 48.81%,the forest addition timber and vice-productions was 4.62×108yuan,increased 49.03%。...