Revegetation of the riparian zone of the Three Gorges Dam Reservoir leads to increased soil bacterial diversity

2018 ◽  
Vol 25 (24) ◽  
pp. 23748-23763 ◽  
Author(s):  
Qingshui Ren ◽  
Changxiao Li ◽  
Wenhang Yang ◽  
Hong Song ◽  
Peng Ma ◽  
...  
Keyword(s):  
Bacterial Diversity ◽  
Riparian Zone ◽  
Three Gorges Dam ◽  
Three Gorges ◽  
Soil Bacterial Diversity ◽  
Dam Reservoir ◽  
The Three Gorges ◽  
Soil Bacterial ◽  
The Three Gorges Dam

scholarly journals Evaluating the Effects of Pressure Indicators on Riparian Zone Health Conditions in the Three Gorges Dam Reservoir, China

Forests ◽  
2020 ◽  
Vol 11 (2) ◽  
pp. 214 ◽  
Author(s):  
Muhammad Arif ◽  
Songlin Zhang ◽  
Zheng Jie ◽  
Wokadala Charles ◽  
Pinky Sanelisiwe Mzondi ◽  
...  
Keyword(s):  
Riparian Zone ◽  
Plant Cover ◽  
Three Gorges Dam ◽  
Riparian Zones ◽  
Three Gorges ◽  
Dam Reservoir ◽  
The Three Gorges ◽  
Agglomerative Hierarchical Cluster Analysis ◽  
Pressure Indicators ◽  
The Three Gorges Dam

The possible negative impacts of flow regulation on riparian zone conditions can be observed due to the disruption of the natural flow regime in reservoirs. In spite of considerable literature on the qualitative effects of external disturbances on riparian health indicators (RHIs), quantitative evaluations of such changes induced by pressure are rare in the literature. Our study evaluated the effects of pressure indicators on the RHIs, and the responses of RHIs relevant to the riparian zones of the Three Gorges Dam Reservoir (TGDR), China, by using the field-based approach. This paper is a component of a large project—rapid appraisal of riparian condition for the TGDR, China. The analysis has compared pressures (13 indicators) and RHIs (27 indicators) determined from the transects (259) identified throughout the TGDR (within 15 counties) by categorizing into upstream, midstream, and downstream. By using basic statistical techniques (Kruskal-Wallis tests and Pearson’s correlation), pressure indicators were found to significantly differently influence RHIs for the categorized three sections of the riparian zones of the TGDR. The correlation analysis confirmed that the pressure indicators correlated (range of r = −0.496–0.971) with the RHIs (enlisted as habitat, plant cover, regeneration, erosion, and exotic parameters). Moreover, pressure indicators were found to have a highly significant influence on erosion and habitat parameters, but moderate effects on plant cover, exotic and regeneration parameters. In addition, the highest relative effect of the pressure indicators was detected in the upstream transects, whereas the lowest was in the downstream transects. Agglomerative Hierarchical Cluster analysis also confirmed the substantial dissimilarity in the upstream transects, whereas significant similarities were identified between midstream and downstream transects. These results may be particularly important in the planning stages, to help administrators and planners form better priorities and treatments for reach-scale conservation and restoration of wide-ranging riparian zones.

scholarly journals Foliar Cellulose and Lignin Degradation of Two Dominant Tree Species in a Riparian Zone of the Three Gorges Dam Reservoir, China

2020 ◽  
Vol 11 ◽  
Author(s):  
Zhangting Chen ◽  
Xuemei Chen ◽  
Chaoying Wang ◽  
Changxiao Li
Keyword(s):  
Riparian Zone ◽  
Early Stage ◽  
Combined Treatment ◽  
Three Gorges Dam ◽  
Three Gorges ◽  
Dam Reservoir ◽  
The Three Gorges ◽  
Riparian Species ◽  
Material Cycling ◽  
The Three Gorges Dam

The riparian zone can affect the degradation of foliar cellulose and lignin by changing the hydrological gradient of the foliage decomposition environment. However, their degradation dynamics during the process of foliage decomposition remain unclear in mixed plantation forests in a riparian zone. Herein, we explored degradation of cellulose and lignin for two dominant riparian species, bald cypress [Taxodium distichum (L.) Rich.] and Chinese willow (Salix matsudana Koidz.), and a combined treatment with equal proportions of foliar mass of these species, involving three water treatments [no submergence (CK), shallow submergence (SS), and deep submergence (DS)] in a riparian zone of the Three Gorges Dam Reservoir (TGDR), China. Throughout an entire year’s incubation, the degradation of cellulose and lignin was 55.57–97.76% and 79.87–93.82%, respectively. In the early stage of decomposition (i.e., the first 30 days), cellulose and lignin were rapidly degraded, and the mass loss of cellulose and lignin in water environments (SS and DS) was greater than that in a non-flooded environment (CK) regardless of the foliage type. The degradation of cellulose and lignin was mainly related to the quality of the leaf litter (as indicated by the concentrations of cellulose and lignin, and the contents of C, N, and P), decomposition period, and local environmental factors (temperature, water gradients, and dissolved oxygen). Our results will provide a clear insight into the material cycling process in a riparian zone of the TGDR and similar ecosystems in other regions.

Movement of the Shuping landslide in the first four years after the initial impoundment of the Three Gorges Dam Reservoir, China

Landslides ◽  
2008 ◽  
Vol 5 (3) ◽  
pp. 321-329 ◽  
Author(s):  
Fawu Wang ◽  
Yeming Zhang ◽  
Zhitao Huo ◽  
Xuanming Peng ◽  
Kiminori Araiba ◽  
...  
Keyword(s):  
Three Gorges Dam ◽  
Three Gorges ◽  
Dam Reservoir ◽  
The Three Gorges ◽  
The Three Gorges Dam

scholarly journals Non-native species in the Three Gorges Dam Reservoir: status and risks

2018 ◽  
Vol 7 (2) ◽  
pp. 153-158 ◽  
Author(s):  
Wen Xiong ◽  
Hui Wang ◽  
Qiang Wang ◽  
Jianfeng Tang ◽  
Peter Bowler ◽  
...  
Keyword(s):  
Native Species ◽  
Three Gorges Dam ◽  
Three Gorges ◽  
Dam Reservoir ◽  
The Three Gorges ◽  
The Three Gorges Dam

Mechanism for the rapid motion of the Qianjiangping landslide during reactivation by the first impoundment of the Three Gorges Dam reservoir, China

Landslides ◽  
2008 ◽  
Vol 5 (4) ◽  
pp. 379-386 ◽  
Author(s):  
Fawu Wang ◽  
Yeming Zhang ◽  
Zhitao Huo ◽  
Xuanming Peng ◽  
Shimei Wang ◽  
...  
Keyword(s):  
Three Gorges Dam ◽  
Three Gorges ◽  
Dam Reservoir ◽  
Rapid Motion ◽  
The Three Gorges ◽  
The Three Gorges Dam ◽  
Qianjiangping Landslide

scholarly journals Displacement monitoring on Shuping landslide in the Three Gorges Dam Reservoir area, China

2008 ◽  
Vol 44 (6) ◽  
pp. 406-412
Author(s):  
Fawu WANG ◽  
Kiminori ARAIBA ◽  
Yeming ZHANG ◽  
Zhitao HUO ◽  
Gonghui WANG ◽  
...  
Keyword(s):  
Three Gorges Dam ◽  
Three Gorges ◽  
Displacement Monitoring ◽  
Dam Reservoir ◽  
Reservoir Area ◽  
The Three Gorges ◽  
The Three Gorges Dam

Leaf decomposition and nutrient release of three tree species in the hydro-fluctuation zone of the Three Gorges Dam Reservoir, China

2018 ◽  
Vol 25 (23) ◽  
pp. 23261-23275 ◽  
Author(s):  
Chaoying Wang ◽  
Yingzan Xie ◽  
Qingshui Ren ◽  
Changxiao Li
Keyword(s):  
Tree Species ◽  
Nutrient Release ◽  
Leaf Decomposition ◽  
Three Gorges Dam ◽  
Three Gorges ◽  
Dam Reservoir ◽  
The Three Gorges ◽  
The Three Gorges Dam

scholarly journals Growth and Physiological Adaptation of Salix matsudana Koidz. to Periodic Submergence in the Hydro-Fluctuation Zone of the Three Gorges Dam Reservoir of China

Forests ◽  
2017 ◽  
Vol 8 (8) ◽  
pp. 283 ◽  
Author(s):  
Chaoying Wang ◽  
Yingzan Xie ◽  
Yanyan He ◽  
Xiaoxue Li ◽  
Wenhang Yang ◽  
...  
Keyword(s):  
Three Gorges Dam ◽  
Physiological Adaptation ◽  
Three Gorges ◽  
Dam Reservoir ◽  
The Three Gorges ◽  
Salix Matsudana ◽  
Salix Matsudana Koidz ◽  
The Three Gorges Dam
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