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title: Temporal Changes of Ecosystem Carbon Stocks in Rubber Plantations in Xishuangbanna, Southwest China
author: Sun Yanci;  Ma Youxin;  Cao Kunfang;  Li Hongmei;  Shen Jinxiang;  Liu Wenjun;  Di Liang;  Mei Cencen
Issued Date: 2017
Abstract: Rubber (Hevea brasiliensis) plantations have been expanded rapidly in tropical regions of Southwest China and cover more than 20% of land area in Xishuangbanna Several studies have addressed changes of soil C stocks in rubber plantations; however, estimates of total ecosystem C stocks and their temporal changes in rubber plantations have been inadequately studied. This study calculated C stocks in soil, biomass, litter, and dry rubber (latex), and estimated the total ecosystem C stocks of rubber plantations in an age sequence of 3-, 7-, 9-, 21-, 27-, and 34-year-old in Xishuangbanna, Southwest China. The total C stocks in rubber plantations ranged from 150.3 to 283.7 Mg C ha(-1), with a mean of 213.4 Mg C ha(-1). The plantations < 9-year-old had significantly lower (P < 0.05) total C stocks than those older than 9 years. Carbon stocks in soil (mass equivalent) were between 107.1-170.5 Mg C hal-and in living biomass were between 2.8-95.7 Mg C ha(-1), representing the largest and the second largest C components in a rubber plantation ecosystem. Neglect of dry rubber C stock resulted in an underestimate of 7.8%-14.2% of the total C stock in the rubber plantations older than 9 years, which was much larger than the contribution of litter C stock (less than 2%).
Source: PEDOSPHERE
Related URLs: 10.1016/S1002-0160(17)60327-8
Appears in Collections:景观生态研究组_期刊论文

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Recommended Citation:
Sun Yanci,Ma Youxin,Cao Kunfang,et al. Temporal Changes Of Ecosystem Carbon Stocks In Rubber Plantations In Xishuangbanna, Southwest China[J]. Pedosphere,2017,27(4):737-746.

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