Vegetation Carbon Storage, Spatial Patterns and Response to Altitude in Lancang River Basin, Southwest China
AbstractVegetation plays a very important role of carbon (C) sinks in the global C cycle. With its complex terrain and diverse vegetation types, the Lancang River Basin (LRB) of southwest China has huge C storage capacity. Therefore, understanding the spatial variations and controlling mechanisms of vegetation C storage is important to understand the regional C cycle. In this study, data from a forest inventory and field plots were used to estimate and map vegetation C storage distribution in the LRB, to qualify the quantitative relationships between vegetation C density and altitude at sublot and township scale, and a linear model or polynomial model was used to identify the relationship between C density and altitude at two spatial scales and two statistical scales. The results showed that a total of 300.32 Tg C was stored in the LRB, an important C sink in China. The majority of C storage was contributed by forests, notably oaks. The vegetation C storage exhibited nonlinear variation with latitudinal gradients. Altitude had tremendous influences on spatial patterns of vegetation C storage of three geomorphological types in the LRB. C storage decreased with increasing altitude at both town and sublot scales in the flat river valley (FRV) region and the mid-low mountains gorge (MMG) region, and first increased then decreased in the alpine gorge (AG) region. This revealed that, in southwest China, altitude changes the latitudinal patterns of vegetation C storage; especially in the AG area, C density in the mid-altitude (3100 m) area was higher than that of adjacent areas. View Full-Text
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Chen, L.; Zhang, C.; Xie, G.; Liu, C.; Wang, H.; Li, Z.; Pei, S.; Qiao, Q. Vegetation Carbon Storage, Spatial Patterns and Response to Altitude in Lancang River Basin, Southwest China. Sustainability 2016, 8, 110.
Chen L, Zhang C, Xie G, Liu C, Wang H, Li Z, Pei S, Qiao Q. Vegetation Carbon Storage, Spatial Patterns and Response to Altitude in Lancang River Basin, Southwest China. Sustainability. 2016; 8(2):110.Chicago/Turabian Style
Chen, Long; Zhang, Changshun; Xie, Gaodi; Liu, Chunlan; Wang, Haihua; Li, Zheng; Pei, Sha; Qiao, Qing. 2016. "Vegetation Carbon Storage, Spatial Patterns and Response to Altitude in Lancang River Basin, Southwest China." Sustainability 8, no. 2: 110.