乐东县生态公益林生态服务功能价值评估

The Value Assessment on Ecosystem Service Function of Ecological Public Welfare Forest in Ledong County

运用《森林生态系统服务功能评估规范》(LY/T 1721—2008)的相关标计量参数和指标,对乐东县生态公益林生态服务功能价值进行评估,并对乐东县生态公益林生态服务功能价值进行分析。结果表明,乐东县生态公益林产生的生态服务功能总价值为1 510 815.42万元,其中涵养水源价值511 560.77万元;净化水质价值197 259.94万元;固土价值1 611.32万元;保肥价值(N、P、K肥)15 462.81万元;固碳价值40 312.45万元;释氧价值85 843.84万元;林木营养物质积累价值8 455.66万元;提供负离子价值15 371.24万元;吸收二氧化硫价值714.54万元;吸收氟化物价值31.43万元;吸收氮氧化合物价值55.52万元;吸收土壤重金属价值85 246.01万元;滞尘价值34 673.23万元;降噪价值17 467.73万元;灭菌价值26 207.46万元;森林防护功能价值118 634.78万元;森林保育生物多样性价值255 332.80万元;森林游憩(生态旅游)价值96 573.88万元。

Based on＇the forest ecosystem service function evaluation standard＇（ LY/T 1721-2008） related to the measurement parameters and index,the ecological service function value of ecological public welfare forest in Ledong County was evaluated. The study showed that ecological service function of ecological public welfare forest produced a total value of 1 510 815. 42 billion yuan,including the storage capacity value of511 560. 77 billion yuan; Purifying water quality value of 197 259. 94 million yuan; Soil-fixation value of 1 611. 32 million yuan; Protecting fertilizer value（ N,P and K fertilizer） of 15 462. 81 million yuan; Carbon fixation value of 40 312. 45 million yuan; Releasing oxygen value of 85 843. 84 million yuan. The total value of forest nutrient accumulation was about 8 455. 66 million yuan; including providing the anion of 15 371. 24 million yuan; The sulfur dioxide absorption value of 714. 54 million yuan; Absorbing fluoride value of 314 300 yuan; Absorbing nitrogen oxide value of552 000 yuan; Absorbing soil heavy metal value of 85 246. 01 million yuan; Detaining dust value of 34 673. 23 million yuan; Noise reduction value of 17 467. 73 million yuan; Sterilization value of 26 207. 46 million yuan; Forest protection function value was 118 634. 78 million yuan; Forest biodiversity conservation value was 255 332. 80 million yuan; Forest recreation（ ecological tourism） value was RMB 96 573. 88 million.