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Sustainability 2015, 7(4), 3515-3527; doi:10.3390/su7043515

Spatial Distribution of Fragmentation by Diversion-Typed Hydroelectric Plant Exploitation in East Baoxing Catchment from 1999 to 2013

1
Center for Ecological Research, Northeast Forest University, No. 26 Hexing RD., Xiangfan District, Harbin 150040, China
2
Appraisal Center for Environment & Engineering Ministry of Environmental Protection, No. 8 Beiyuan RD., Chaoyang District, Beijing 100012, China
3
Yunnan Academy of Scientific &Technical Information, No. 246 Renmin Donglu, Kunming 650051, China
4
School of Geology and Geomatics, Tianjin Chengjian University, No. 26 Jinjing RD., Xiqing District, Tianjin 300384, China
*
Author to whom correspondence should be addressed.
Academic Editor: Vincenzo Torretta
Received: 1 December 2014 / Revised: 22 February 2015 / Accepted: 18 March 2015 / Published: 24 March 2015
(This article belongs to the Special Issue Sustainability of Resources)
View Full-Text   |   Download PDF [1043 KB, uploaded 24 March 2015]   |  

Abstract

In the Southwest Mountain areas, successive hydroelectric plant exploitation by humans on Baoxing River can exert a significant impact on regional landscape composition and structure. Taking East Baoxing River Catchment as the study area, the authors developed a method combining Moving Window based Calculation and Spatial Correlation Analysis to analyze the relationship between fragmentation and related spatial factors at a local scale, aiming to examine the spatial distribution rule of the landscape fragmentation and provide scientific support for the conservation of landscape ecology in the study area. From the perspective of the whole study area, although there is no clear relationship between the selected factors and the Change of DIVISION (CODIV), the comparison of R values in the latter interval (2006–2013) with those in the former interval (1999–2006) proves that the human activities of plant building have led to the increase in the DIVISION value. At the local scale, results show that a high positive relationship exists between slope and CODIV (R = 0.857, p-value = 0.05), while the relationship between river distance and CODIV is highly negative (R = −0.837, p-value = 0.01). A medium strong negative relationship lies between elevation and CODIV, while there is almost no linear relationship between distance from Qiaoqi reservoir and CODIV. View Full-Text
Keywords: landscape fragmentation processes; moving window; change of division; hydroelectric cascade exploitation; zonal statistics landscape fragmentation processes; moving window; change of division; hydroelectric cascade exploitation; zonal statistics
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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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Huang, Y.; Zheng, L.; Wang, D.; Chen, W.; Wang, Q. Spatial Distribution of Fragmentation by Diversion-Typed Hydroelectric Plant Exploitation in East Baoxing Catchment from 1999 to 2013. Sustainability 2015, 7, 3515-3527.

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