Dynamics of Understory Shrub Biomass in Six Young Plantations of Southern Subtropical China
AbstractUnderstory shrubs are an important component of forest ecosystems and drive ecosystem processes, such as ecosystem carbon cycling. However, shrub biomass carbon stocks have rarely been reported, which limits our understanding of ecosystem C stock and cycling. In this study, we evaluated carbon accumulation of shrub species using allometric equations based on height and basal diameter in six subtropical plantations at the age of 1, 3, 4 and 6 years. The results showed that plantation type did not significantly affect the total biomass of shrubs, but it significantly affected the biomass of Rhodomyrtus tomentosa, Ilex asprella, Clerodendrum fortunatum and Baeckea frutescens. The biomass of dominant shrub species R. tomentosa, I. asprella, Gardenia jasminoides and Melastoma candidum increased with stand age, while the biomass of C. fortunatum and B. frutescens decreased. The inconsistent biomass-time patterns of different shrub species may be the primary reason for the altered total shrub biomass in each plantation. Consequently, we proposed that R. tomentosa, I. asprella, G. jasminoides and M. candidum could be preferable for understory carbon accumulation and should be maintained or planted because of their important functions in carbon accumulation and high economic values in the young plantations of southern subtropical China. View Full-Text
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Chen, Y.; Cai, X.; Zhang, Y.; Rao, X.; Fu, S. Dynamics of Understory Shrub Biomass in Six Young Plantations of Southern Subtropical China. Forests 2017, 8, 419.
Chen Y, Cai X, Zhang Y, Rao X, Fu S. Dynamics of Understory Shrub Biomass in Six Young Plantations of Southern Subtropical China. Forests. 2017; 8(11):419.Chicago/Turabian Style
Chen, Yuanqi; Cai, Xi’an; Zhang, Yanju; Rao, Xingquan; Fu, Shenglei. 2017. "Dynamics of Understory Shrub Biomass in Six Young Plantations of Southern Subtropical China." Forests 8, no. 11: 419.
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