本文選題：復(fù)合生態(tài)系統(tǒng) + 橡膠��； 參考：《中南林業(yè)科技大學(xué)學(xué)報(bào)》2016年01期

【摘要】：根據(jù)2個(gè)不同年齡橡膠—催吐蘿芙木—降香黃檀復(fù)合生態(tài)系統(tǒng)樣地的調(diào)查數(shù)據(jù),采用所建立的生物量回歸方程,分析了2個(gè)不同年齡復(fù)合生態(tài)系統(tǒng)中植物的生長(zhǎng)動(dòng)態(tài)、生物量及其分配特征。結(jié)果表明:4年生橡膠林下催吐蘿芙木和降香黃檀的年均胸徑生長(zhǎng)量均顯著大于7年生橡膠林下催吐蘿芙木和降香黃檀的生長(zhǎng)量,但年均高度生長(zhǎng)量則無(wú)顯著差異;在種植4.5 a后,前者的生物量分別是后者的2.86倍和2.90倍;4年生橡膠林復(fù)合生態(tài)系統(tǒng)的總生物量(67.49 t·hm-2)顯著大于其單一橡膠林的生物量(47.06 t·hm-2),并超過(guò)7年生橡膠林復(fù)合生態(tài)系統(tǒng)(63.86 t·hm-2)及單一橡膠林的總生物量(60.38 t·hm-2);生物量的器官分配比例除4年生復(fù)合系統(tǒng)中的催吐蘿芙木為莖枝根葉外,均呈現(xiàn)出莖根枝葉的趨勢(shì);隨著橡膠年齡的增長(zhǎng),催吐蘿芙木和降香黃檀的生長(zhǎng)量和生物量雖呈下降的趨勢(shì),但橡膠的生物量及膠林復(fù)合生態(tài)系統(tǒng)的總生物量呈增長(zhǎng)的趨勢(shì)。橡膠林下催吐蘿芙木和降香黃檀的種植具有提高生物量積累和碳固存的潛力和優(yōu)勢(shì)。
[Abstract]:Based on the investigation data of two different ages of rubber, Rosewood and red sandalwood complex ecosystem, the plant growth dynamics in two different age complex ecosystems were analyzed by using the established biomass regression equation. Biomass and its distribution characteristics. The results showed that the average annual DBH growth of Rothophora vulgaris in 4 years was significantly higher than that in 7 years, but there was no significant difference in annual height growth. After 4.5 years of cultivation, The biomass of the former was 2.86 times and 2.90 times of that of the latter, and the total biomass of the compound ecosystem was 67.49 t 路hm ~ (-2), which was significantly higher than that of the single rubber forest (47.06 t 路h ~ (-2) and 63.86 t 路h ~ (-2) of the compound ecosystem of the rubber forest for more than 7 years. The total biomass of single rubber forest was 60.38 t 路hm ~ (-2), and the organ allocation ratio of biomass was as follows: Rothophora was the stem, branch, root and leaf in the compound system of 4 years old, and the total biomass was 60.38 t 路hm ~ (-2). With the increase of rubber age, the growth and biomass of Rothophora thunbergii and Radix sandalwood decreased, but the biomass of rubber and the total biomass of compound ecosystem of rubber forest showed an increasing trend. Under the rubber forest, the cultivation of Rothophora and sandalwood has the potential and advantage of increasing biomass accumulation and carbon sequestration.
【作者單位】： 中國(guó)科學(xué)院大學(xué);中國(guó)科學(xué)院西雙版納熱帶植物園熱帶植物資源可持續(xù)利用重點(diǎn)實(shí)驗(yàn)室;中國(guó)藥科大學(xué)生命科學(xué)與技術(shù)學(xué)院;
【基金】：中國(guó)科學(xué)院農(nóng)業(yè)項(xiàng)目辦公室項(xiàng)目(KSCX2-EW-B-12;KSCX2-YW-N-44-09);中國(guó)科學(xué)院“一三五”專項(xiàng)(XTBG-T03) 西雙版納州科學(xué)技術(shù)局項(xiàng)目(200915;YX201102)
【分類號(hào)】：S718.556

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