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北京市森林資源價值評價與方法研究

發(fā)布時間:2018-09-09 14:04
【摘要】:本研究提出了一種基于3S技術(shù)的森林資源價值評價方法,利用TM遙感影像解譯出研究區(qū)林地面積,利用GPS結(jié)合全站儀每木檢尺(包括樹木三維坐標(biāo)測量、樹高、胸徑),根據(jù)二元立木材積表計算出對應(yīng)樹種以及樹木生長狀況所對應(yīng)的材積。再與相應(yīng)樹種單位材積價值的乘積確定樣地立木價值,通過對遙感圖像分析的各研究區(qū)的林地面積樣地與林木價值的乘積來計算樣地所在區(qū)縣林木價值。本研究資料來源于遙感TM影像和國家林業(yè)局標(biāo)定的2012年北京市28塊樣地的測量數(shù)據(jù)。 在林地資源價值的評價中,以林地出產(chǎn)量為計量依據(jù),將林地一年內(nèi)的產(chǎn)品交易產(chǎn)生的收益依照比例扣除相應(yīng)成本、稅費(fèi)和附加費(fèi)用后得出的凈收益為計算基礎(chǔ),以持續(xù)經(jīng)營為林地價值獲取的時間價值尺度以及在此基礎(chǔ)上不斷獲得凈收益為計量目標(biāo),采用收益還原法計算林地使用年度內(nèi)的價值量。 本研究在生態(tài)資源價值的核算中以《中華人民共和國林業(yè)行業(yè)標(biāo)準(zhǔn)LY/T1721-2008森林生態(tài)系統(tǒng)服務(wù)功能評估規(guī)范》來計算森林生態(tài)服務(wù)價值年生態(tài)服務(wù)價值。價值量包含涵養(yǎng)水源、保育土壤、凈化環(huán)境、固碳制氧四個方面對社會服務(wù)價值的核算包含:游憩、文化教育、拉動經(jīng)濟(jì)產(chǎn)業(yè)發(fā)展、林業(yè)公共管理、生態(tài)服務(wù)功能性建設(shè)五個方面。 本文對森林資源價值的研究中,將收益價值與成本價值、價值量與生物量嚴(yán)格區(qū)分扣除有森林資源自身服務(wù)功能所產(chǎn)生的例如涵養(yǎng)水源、防護(hù)等功能衍生價值,并利用經(jīng)濟(jì)學(xué)原理,確定新的核算體系,重新計算森林資源價值。這樣不僅可以將森林資源價值評價中生物量與價值量兩者相區(qū)分,也大大增強(qiáng)了核算結(jié)果的可信度。 依照上述方法計算得出北京市延慶縣、門頭溝區(qū)、海淀區(qū)、平谷區(qū)、昌平區(qū)、懷柔區(qū)、密云縣2012年森林資源價值分別為: (1)林木資源價值:269.01億元、276.30億元、25.29億元、74.25億元、71.78億元、253.01億元、410.98億元。 (2)林地資源價值:172.62億元、151.06億元、20.20億元、78.17億元、94.16億元、203.41億元、184.80億元。 (3)生態(tài)服務(wù)價值:69.87億元、44.97億元、8.57億元、31.40億元、41.54億元、85.54億元、78.48億元。 (4)社會服務(wù)價值:5.55億元、4.86億元、0.65億元、2.51億元、3.02億元、6.53億元、5.94億元。 (5)森林資源總價值:505.78億元、496.10億元、53.79億元、182.12億元、204.92億元、534.89億元、667.49億元。
[Abstract]:In this paper, a method of forest resource value evaluation based on 3s technology is put forward. The area of forest land in the study area is interpreted by TM remote sensing image, and the tree height is measured by GPS combined with total station meter (including three dimensional coordinate measurement of trees, tree height, and so on). DBH), according to the binary tree volume table, the corresponding tree species and tree growth corresponding to the volume. With the product of the unit volume value of the corresponding tree species, the stand tree value of the sample plot is determined, and the forest value of the sample plot is calculated by the product of the forest land area sample land and the forest value of the study area of the remote sensing image analysis area. The data were obtained from remote sensing TM images and data from 28 plots of Beijing in 2012 as calibrated by the State Forestry Administration. In the evaluation of forestland resource value, based on the measurement of forestland output, the net income obtained after deducting the corresponding costs, taxes and additional expenses from the products traded in the forest land within one year is taken as the basis of calculation. Based on the time value scale of forest land value obtained by continuous operation and the net income obtained on this basis, the value of forest land in the year of use is calculated by income reduction method. In this study, the annual value of forest ecosystem service value was calculated by LY/T1721-2008 standard of forestry industry standard of the people's Republic of China in the calculation of ecological resource value. The value includes water conservation, soil conservation, environment purification, carbon sequestration and oxygen production, including recreation, culture and education, economic and industrial development, forestry public management. Five aspects of functional construction of ecological services. In the study of forest resource value, the profit value and cost value, value quantity and biomass are strictly distinguished and deducted from the derived value derived from the functions of forest resources such as water conservation, protection and so on. And use economics principle, determine new accounting system, recalculate forest resource value. In this way, not only the biomass and the value of forest resources can be distinguished from each other, but also the reliability of the accounting results can be greatly enhanced. According to the above calculation, we can get Yanqing County, Mentougou District, Haidian District, Pinggu District, Changping District, Huairou District of Beijing, The value of forest resources in Miyun County in 2012 is: (1) Forest resources value: 26.901 billion yuan, 27.63 billion yuan, 2.529 billion yuan, 7.425 billion yuan, 7.178 billion yuan, 25.301 billion yuan, 41.098 billion yuan. (2) Forest land resource value: 17.262 billion yuan, 15.106 billion yuan, 2.02 billion yuan. Yuan, 7.817 billion yuan, 9.416 billion yuan, 20.341 billion yuan, 18.48 billion yuan. (3) Ecological service value: 6.987 billion yuan, 4.497 billion yuan, 857 million yuan, 3.14 billion yuan, 4.154 billion yuan, 8.554 billion yuan, 7.848 billion yuan. (4) Social service value: 555 million yuan, 486 million yuan, 65 million yuan 2.51 Total value of forest resources: 50.578 billion yuan, 49.61 billion yuan, 5.379 billion yuan, 18.212 billion yuan, 20.492 billion yuan, 53.489 billion yuan, 66.749 billion yuan.
【學(xué)位授予單位】:北京林業(yè)大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2013
【分類號】:S757

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