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Sustainability 2015, 7(7), 8548-8564; doi:10.3390/su7078548

Biomass Resources Distribution in the Terrestrial Ecosystem of China

1
Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
2
University of Chinese Academy of Sciences, Beijing 100049, China
*
Author to whom correspondence should be addressed.
Academic Editor: Vincenzo Torretta
Received: 20 April 2015 / Revised: 13 June 2015 / Accepted: 15 June 2015 / Published: 1 July 2015
(This article belongs to the Special Issue Sustainability of Resources)
View Full-Text   |   Download PDF [793 KB, uploaded 2 July 2015]   |  

Abstract

In this study, Moderate Resolution Imaging Spectroradiometer (MODIS) data and the multiple linear regression model were used to estimate distribution of biomass resources in 2010. The establishment of models, developed using different vegetation biomass sample data, normalized difference vegetation index (NDVI), leaf area index (LAI), meteorological data, coordinates, terrain data, and statistical data. Results based on a cross-validation approach show that the model can explain 95.6% of the variance in biomass, with a relative estimation error of 67 g·m−2 for a range of biomass between 0–73,875 g·m−2. Spatial statistic results were consistent with the practical condition in most cases. The above- and below-ground biomass (ABGB) of China was estimated to be 31.1 Pg (1 Pg = 1015 g) in 2010. The forest ecosystem has the largest total biomass, which represents about 70% of the whole terrestrial ecosystem. The desert ecosystem has minimum biomass value. The Belowground Endowment (BRE) varied differently in spatial distribution, with the high values occurring in the southeast and northeast. The low values were primarily distributed in north and northwest regions, where it is mostly desert and few plants. Biomass per capita indicates the availability of natural resources per capita. Tibet had the maximum biomass per capita (807 tone in 2010). Shanghai and Tianjin had the minimum biomass per capita, less than 500 kg. Shanghai, Tianjin, Guangzhou, Beijing, and Hainan had negative growth of biomass per capita. View Full-Text
Keywords: BRE; terrestrial ecosystem; MODIS; multiple linear regression model; biomass per capita; China BRE; terrestrial ecosystem; MODIS; multiple linear regression model; biomass per capita; China
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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

Li, N.; Xie, G.; Zhang, C.; Xiao, Y.; Zhang, B.; Chen, W.; Sun, Y.; Wang, S. Biomass Resources Distribution in the Terrestrial Ecosystem of China. Sustainability 2015, 7, 8548-8564.

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