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首页> 外文期刊>Current Science: A Fortnightly Journal of Research >Variation in carbon storage among tree species in the planted forest of Kathmandu, Central Nepal
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Variation in carbon storage among tree species in the planted forest of Kathmandu, Central Nepal

机译：尼泊尔市加德满都种植林树种中碳储存的变化

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摘要

Carbon stock variation among trees of planted forest, was estimated in a 41-year old Coronation garden of Kathmandu, Central Nepal. Forty-one square quadrates of 20 m x 20 m were selected by applying stratified systematic sampling method in three horizontal strata of the forest. The biomass of trees was estimated using an allometric equation which was later converted to the carbon stock by using carbon fraction. The study site stored 196.4 Mg C ha(-1) (carbon sequestration rate: 4.78 Mg ha(-1) yr(-1)) equivalent to 720.7 Mg CO2 ha(-1) (CO2 assimilation rate: 17.58 Mg ha(-1) yr(-1)). Eucalyptus citriodora had the highest carbon storage (54.6 Mg ha(-1), 27.8%) and sequestration rate (1.33 Mg ha(-1) yr(-1)). Cinnamomum camphora and Salix babylonica were the dominant tree species, while Salicaceae and Lauraceae were the dominant families growing in the forest. Myrtaceae was the dominant family in terms of carbon storage and carbon sequestration rate. The study suggests that E. citriodora, C. camphora, S. babylonica and P. roxburghii would be the best species to select for forest plantation which would yield large impacts on landscape-level carbon stocks and could also mitigate climate change.
机译：种植林树木之间的碳储备变异，估计在尼泊尔中部加德满都的41岁的加冕花园中。通过在森林的三个水平上施加分层系统采样方法选择40米×20μm的四十一平衡。利用碳馏分后来转化为碳储备的同种异体方程估计树木的生物质。该研究现场储存196.4mg C ha（-1）（碳封存率：4.78mg ha（-1）Yr（-1））相当于720.7mg CO 2 HA（-1）（CO2同化率：17.58mg HA（ - 1）Yr（-1））。桉树Citriodora具有最高的碳储存（54.6mg ha（-1），27.8％）和螯合率（1.33mg ha（-1）Yr（-1））。 Cinnamomum camphora和Salix babylonica是占优势的树种，而Salicaceae和Lauraceae是森林中生长的主要家庭。 Myrtaceae在碳储存和碳封存率方面是主导家庭。该研究表明，E.Citridora，C.Camphora，S.Babylonica和P. Roxburghii将是选择森林种植园的最佳物种，这将为景观级碳储备产生很大影响，也可以减轻气候变化。

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