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Forests 2015, 6(6), 1763-1778; doi:10.3390/f6061763

Carbon Storage in a Eucalyptus Plantation Chronosequence in Southern China

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Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China
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Huanjiang Experimental Station of Karst Ecosystem, Chinese Academy of Sciences, Huanjiang 547100, China
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Author to whom correspondence should be addressed.
Academic Editors: Reynaldo Campos Santana and Eric J. Jokela
Received: 10 March 2015 / Revised: 17 May 2015 / Accepted: 20 May 2015 / Published: 26 May 2015
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Abstract

Patterns of carbon (C) allocation across different stages of stand development in Eucalyptus urophylla × E. grandis plantations are not well understood. In this study, we examined biomass and mineral soil C content in five development stages (1, 2, 3, 4–5, and 6–8 years old) of a Eucalyptus stand in southern China. The tree biomass C pool increased with stand age and showed a high annual rate of accumulation. Stems accounted for the highest proportion of biomass C sequestered. The C pool in mineral soil increased initially after afforestation and then declined gradually, with C density decreasing with soil depth. The upper 50 cm of soil contained the majority (57%–68%) of sequestered C. The other biomass components (shrubs, herbaceous plants, litter, and fine roots) accounted for <5% of the total ecosystem C pool. Total C pools in the Eucalyptus plantation ecosystem were 112.9, 172.5, 203.8, 161.1, and 162.7 Mg ha−1 in the five developmental stages, respectively, with most of the C sequestered below ground. We conclude that Eucalyptus plantations have considerable biomass C sequestration potential during stand development. View Full-Text
Keywords: biomass; carbon allocation; Eucalyptus plantation; southern China; stand age biomass; carbon allocation; Eucalyptus plantation; southern China; stand age
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Du, H.; Zeng, F.; Peng, W.; Wang, K.; Zhang, H.; Liu, L.; Song, T. Carbon Storage in a Eucalyptus Plantation Chronosequence in Southern China. Forests 2015, 6, 1763-1778.

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