| Biology and Soil |
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| Biomass Allocation and Biomass Estimation Models of the Clonal Plant Population of Eremosparton songoricum |
| WANG Jian-cheng1,2, SHI Xiang1,2, ZHANG Dao-yuan1,3, YIN Lin-ke1,3 |
1.Key Laboratory of Biogeography and Bioresource in Arid Land, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi 830011, China;
2.Graduate University of Chinese Academy of Sciences, Beijing 100049 , China;
3.Turpan Eremophytes Botanical Garden, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Turpan 838008, Xinjiang, China |
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Abstract We established biomass estimation model of each module unit in Eremosparton songoricum based on characteristics of the rhizomatous clonal plants. Results showed that the rhizome biomass, root biomass, branch biomass and fruit biomass of the clonal plants was 6.33, 39.72, 27.93 g·m-2 and 3.47 g·m-2, respectively. The above-ground biomass accounted for 40.55% of the entire individual, which was much less than that in underground (59.45%). Compared with the crown width(C), the individual height (H) and the product of C,H were better choice to estimate the biomass of each module unit. Most of the regression models had significant correlation and a linear model had the highest value of R2. The model based on CH was the optimal one to predict biomass, which would be a demonstration for budget estimation of carbon storage in the clonal shrub species.
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Received: 02 April 2011
Published: 20 January 2012
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2012, Vol. 32 
