ORIGINAL RESEARCH
Evaluation of Ecological Efficiency of Water
Resources: A Case Study in Henan Province
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1
School of Geographic Sciences, Xinyang Normal University, Xinyang, Henan, 464000, China
2
Henan Engineering Research Center for Big Data of Remote Sensing and Intelligent Analysis in Huaihe River Basin,
Xinyang Normal University, Xinyang, Henan, 464000, China
Submission date: 2023-04-14
Final revision date: 2023-09-14
Acceptance date: 2023-10-01
Online publication date: 2023-11-27
Publication date: 2024-01-22
Corresponding author
Huimin Zhai
Key Laboratory for Synergistic
Prevention of Water and Soil
Environmental Pollution,
Xinyang Normal University,
Xinyang Henan 464000 – China, China
Pol. J. Environ. Stud. 2024;33(2):1391-1399
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ABSTRACT
As an important agricultural product base in China, Henan province crosses the Qinling-Huaihe
River demarcation line between the north and the south of China. The efficiency of water resources in
Henan Province is of great importance for China to realize water saving, consumption reduction and
green sustainable development. However, serious water pollution, environmental degradation and other
problems restrict the local economy sustainable development. This study aims to analyze the ecological
efficiency of water resources in Henan Province by using the super efficiency SBM and Malmquist index
model. The results showed that: (1) the ecological efficiency of water resources in most cities fluctuated
and increased during 2010-2019, while some regions showed a downward trend due to the influence of
geographical location and climate, (2) the ecological efficiency of water resources varies greatly among
cities from the perspective of the spatial pattern and the regions with higher ecological efficiency of
water resources are concentrated in the economically developed centers which have a driving effect on
the surrounding areas, (3) historical resources, economic development level and technological progress
all have an impact on the eco-efficiency of water resources, among which technological progress has
the greatest impact. In addition, suggestions on effective utilization of water resources are put forward
according to its change rules and influencing factors.