Chin J Plan Ecolo ›› 1997, Vol. 21 ›› Issue (6): 512-520.
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He Jinsheng, Wang Qibing and Hu Dong
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Abstract: Shrubland is the typical degraded ecosystems in the Three Gorges Region. In this paper, the biomasses of 4 types of shrublands, such as Myrsine africana,Loropetalum chinense,Vitex: negundo and Cotinus coggygria,and their responses to cutting were investigated with harvest method and cutting experiment. The results show that the biomass of these 4 types of shrublands were 22.5±5.1,21.0±3.7,16.9±7.5 and 13.6±2.4t·hm-2, respectively, being equal to about 10%~25% of that of the typical natural evergreen broadleaved forests (30 years). The shrub layer accounted for 90% of the community in terms of the total or the underground or the above-ground biomass. In the biomass species sequence, the top 5 species amounted to over 84% of the total biomass. The shrublands of the same type were similar in biomass between temperate and subtropical area. That Cotinus coggygria shrub and Loropetalum chinense shrub recovered to 42.7% and 62.0% of aboveground biomass of the control due to one year restoration after cutting, suggests their high growth rate and recovery potential.
He Jinsheng, Wang Qibing, Hu Dong. Studies on the Biomass of Typical Scrubland and Their Regeneration Capacity After Cutting[J]. Chin J Plan Ecolo, 1997, 21(6): 512-520.
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