沈阳市森林涵养水源经济价值核算研究——基于森林蓄水量价格倒算法
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摘要
为提升沈阳市森林涵养水源经济价值核算的准确性和合理性,提高人们重视水资源和保护森林资源的意识。研究以沈阳市森林资源清查数据为基础,采用森林蓄水量价格倒算法公式求得森林蓄水量价格,再根据降水截留率与森林林冠?降水量的关系求得森林涵养水源实物量,并利用影子工程法求得涵养水源价值。结论为沈阳市各植被类型的森林涵养水源能力大小排序依次为:阔叶林(524747928.60m~3)>针叶林(121192844.25m~3)>经济林(49794296.66m~3)>针阔混交林(4066061.06m~3);2013年沈阳市森林蓄水量价格为2.40元/m~3,森林涵养水源量为699801130.57m~3,森林涵养水源价值量为33.59亿元。结论:贴合实际的森林蓄水量价格使森林涵养水源价值结果更加客观合理,且丰富了森林涵养水源价值量的评价方法。
In order to improve the accuracy and rationality of economic value accounting of forest water conservation sources in Shenyang and to raise people's awareness of water resources and protection of forest resources,based on the inventory data of forest resources in Shenyang city,this article uses the formula of forest water storage price inversion formula to get the price of forest water storage,and then obtains the forest water conservation physical quantity according to the relationship between the rainfall cut-off rate and the forest canopy and precipitation,and uses the shadow engineering method to draw the conservation water source the value. The results showed that the order of forest water conservation capacity for each vegetation type in Shenyang is: broadleaf forest( 524747928. 60 m~3) > coniferous forest( 121192844. 25 m~3) > economic forest( 49794296. 66 m~3) > coniferous and broad-leaved mixed forest( 4066061. 06 m~3) The price of forest storage in Shenyang is 2. 40 yuan/m~3,the amount of water conserved in forests is 699801130. 57 m~3,and the water conservation value of forests is 3. 359 billion yuan. So we can see that fitting the actual price of forest water storage makes the value of forest water conservation value more objective and reasonable and enriches the evaluation method of forest conservation water value.
In order to improve the accuracy and rationality of economic value accounting of forest water conservation sources in Shenyang and to raise people's awareness of water resources and protection of forest resources,based on the inventory data of forest resources in Shenyang city,this article uses the formula of forest water storage price inversion formula to get the price of forest water storage,and then obtains the forest water conservation physical quantity according to the relationship between the rainfall cut-off rate and the forest canopy and precipitation,and uses the shadow engineering method to draw the conservation water source the value. The results showed that the order of forest water conservation capacity for each vegetation type in Shenyang is: broadleaf forest( 524747928. 60 m~3) > coniferous forest( 121192844. 25 m~3) > economic forest( 49794296. 66 m~3) > coniferous and broad-leaved mixed forest( 4066061. 06 m~3) The price of forest storage in Shenyang is 2. 40 yuan/m~3,the amount of water conserved in forests is 699801130. 57 m~3,and the water conservation value of forests is 3. 359 billion yuan. So we can see that fitting the actual price of forest water storage makes the value of forest water conservation value more objective and reasonable and enriches the evaluation method of forest conservation water value.
引文
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[15]石小亮,陈珂,揭昌亮,等.吉林省森林生态系统服务价值评价[J].水土保持通报,2016,36(5):312-319.
[2]Pearee A J,Stewart M K,Sklash M G.Storm runoff generation in humid headwater catchments.Where does the water come from3[J].Water Resources Research,1986,22(8):1263-1272.
[3]石小亮,陈珂.吉林省森林涵养水源经济价值核算[J].水土保持通报,2015,35(5):169-172,179.
[4]石小亮,陈珂,何丹.森林蓄水量价格倒算法公式推演与实证研究[J].水土保持通报,2016,36(6):165-168.
[5]石小亮.吉林森工集团森林生态系统服务价值评价及预测研究[D].北京:北京林业大学,2015.
[6]Li Yang,Wang Baitian,Rao Liang Yi,et al.Research on water conservation function of typical forests in Jinyun Mountain[J].Agricultural Science&Technology,2012,13(1):181-188.
[7]石小亮,张颖.基于时空变域的森林生态系统管理研究概述[J].林业科技开发,2014,28(6):10-14.
[8]石小亮,张颖,单永娟.云南省森林涵养水源价值核算[J].中国林业经济,2014(4):54-56.
[9]王颖,杨新兵.冀北山地6种林分类型土壤水分-物理性质变化[J].水土保持研究,2017,(03):108-112.
[10]罗佳,田育新,周小玲,等.不同造林模式水源涵养功能研究[J].中南林业科技大学学报,2017,(03):79-85.
[11]石小亮,张颖,单永娟,等.云南省高原典型森林植被涵养水源功能研究[J].长江流域资源与环境,2015,24(8):1366-1372.
[12]喻阳华,杨苏茂.水源涵养林结构配置研究进展[J].世界林业研究,2016,(04):19-24.
[13]刘璐璐,曹巍,邵全琴.南北盘江森林生态系统水源涵养功能评价[J].地理科学,2016,(04):603-611.
[14]孟祥江,侯元兆.森林生态系统服务价值核算理论与评估方法研究进展[J].世界林业研究,2010,(06):8-12.
[15]石小亮,陈珂,揭昌亮,等.吉林省森林生态系统服务价值评价[J].水土保持通报,2016,36(5):312-319.