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Int. J. Environ. Res. Public Health 2017, 14(1), 2; doi:10.3390/ijerph14010002

Ecosystem Health Assessment at County-Scale Using the Pressure-State-Response Framework on the Loess Plateau, China

1,2,* and 3,4
1
Safety and Emergency Management Research Center, Henan Polytechnic University, Jiaozuo 454000, China
2
Emergency Management School, Henan Polytechnic University, Jiaozuo 454000, China
3
School of Resources and Environment, North China University of Water Resources and Electric Power, Zhengzhou 450011, China
4
Key Laboratory of the Loess Plateau Soil Erosion and Water Loss Process and Control, Ministry of Water Resources, Yangling 712100, China
*
Author to whom correspondence should be addressed.
Academic Editor: Jason K. Levy
Received: 16 September 2016 / Revised: 17 November 2016 / Accepted: 9 December 2016 / Published: 22 December 2016
(This article belongs to the Section Environmental Health)
View Full-Text   |   Download PDF [1281 KB, uploaded 22 December 2016]   |  

Abstract

Assessing ecosystem health is helpful to determine reasonable eco-environmental restoration and resource management strategies. Based on a pressure-state-response (PSR) framework, a set of comprehensive indicators including natural, social and economic aspects was proposed and applied for assessing the ecosystem health of Yuanzhou County, Loess Plateau, Ningxia Province, China. The basic data used to calculate the values of the assessment indicators include Landsat TM image and socio-economic data, and remote sensing (RS) and the geographic information system (GIS) were used to process image data. The results showed that the ecosystem health conditions of most townships in Yuanzhou County were at the moderately healthy level, three townships were at the healthy level, and only two townships were at the unhelathy level; the areas (percentage) at the unhealthy, moderately healthy and healthy levels were 443.91 km2 (12.66%), 2438.75 km2 (69.54%) and 624.50 km2 (17.81%), respectively. The results could provide useful information for local residents and the government to take measures to improve the health conditions of their township ecosystem. View Full-Text
Keywords: ecosystem health; sustainability; comprehensive indicators; GIS ecosystem health; sustainability; comprehensive indicators; GIS
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MDPI and ACS Style

Liu, D.; Hao, S. Ecosystem Health Assessment at County-Scale Using the Pressure-State-Response Framework on the Loess Plateau, China. Int. J. Environ. Res. Public Health 2017, 14, 2.

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