立木山價 的英文怎麼說

中文拼音 [shānjià]
立木山價 英文
stumpage
  • : 動1 (站) stand; remain in an erect position 2 (使豎立; 使物件的上端向上) erect; stand; set up...
  • : Ⅰ名詞1 (樹木) tree 2 (木頭) timber; wood 3 (棺材) coffin 4 (姓氏) a surname Ⅱ形容詞1 (木...
  • : 名詞1 (地面形成的高聳的部分) hill; mountain 2 (形狀像山的東西) anything resembling a mountain...
  • : 名詞1. (價格) price 2. (價值) value 3. [化學] (化合價) valence
  1. Based on the principle of significant effect of soil fertility factors on forest growth, soil physical factors ( natural water content, bulk density, total porosity, capillary porosity, aggregate degree, coarse silt and physical clay ), chemical factors ( om. total n, alkali - hytrolyzable n, total p, humus and ha / fa ) and biological factors ( urease, acidphosphotase, invertase and microbes ) were selected as evaluation index system of soil fertility. applying principal component analysis, soil ifi of subalpine coniferous forest was calculated

    從土壤物理、化學、生物學三方面出發,建了川西亞高針葉林不同演替階段土壤肥力評指標體系,應用主成分分析,計算出不同演替階段土壤肥力綜合指標值( ifi ) ,各演替階段大小順序為: 10年生雲杉林地跡地原始林地次生樺林地30年生雲杉林地20年生雲杉林地50年生雲杉林地60年生雲杉林地40年生雲杉林地。
  2. The results showed that the total annual service value of forest ecosystem in yashushan natural reserve was up to 8. 9866 10 ^ 7 yuan ( rmb ), of which 7. 695 10 ^ 6 yuan for standing tree value, 1. 925 10 ^ 6 yuan for forest by - production, 7 10 ^ 5 yuan for cattle breeding, 2. 496 10 ^ 6 yuan for forest recreation, 3. 6805 10 ^ 7 yuan for water conservation, 5. 446 10 ^ 6 yuan for soil conservation, 1. 823 10 ^ 7 yuan for co2 absorption and o2 release, 1. 5732 10 ^ 7 yuan for environmental purification, 1. 37 10 ^ 5 yuan for nutrient storage, 7. 8 10 ^ 4 yuan for forest calamity prevention and 6. 24 10 ^ 5 yuan for gene resource

    結果表明,寧化牙梳自然保護區森林生態系統服務功能平均每年達8986 . 6萬元,其中各分項的生態服務功能值為:活值769 . 5萬元;林副產品值192 . 5萬元;畜牧養殖值70 . 0萬元;旅遊值249 . 6萬元;涵養水源值3680 . 5萬元;水土保持值544 . 6萬元;固定co2和釋放o2值1823 . 0萬元;凈化環境值1573 . 2萬元;營養物質的循環和貯存值13 . 7萬元;生物防害值7 . 8萬元;基因資源值62 . 4萬元。
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