An integrated indicator-based system for soil environmental quality assessment in sustainable rehabilitation of mine waste area

Authors:
Xiang Zhu;Yingyi Chen;Daoliang Li
Affiliations:
College of Information and Electrical Engineering, China Agricultural University, Beijing, P.R. China and Key Laboratory of Modern Precision Agriculture System Integration, Ministry of Education, ...;College of Information and Electrical Engineering, China Agricultural University, Beijing, P.R. China and Key Laboratory of Modern Precision Agriculture System Integration, Ministry of Education, ...;College of Information and Electrical Engineering, China Agricultural University, Beijing, P.R. China and Key Laboratory of Modern Precision Agriculture System Integration, Ministry of Education, ...
Venue:
MATH'08 Proceedings of the 13th WSEAS international conference on Applied mathematics
Year:
2008

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Abstract

Establishment and monitoring soil environmental quality in rehabilitation of mine waste area is quite often a difficult task. The efficiency of the scheme selected can be substantially improved by using adequate simple indicators system so that trends can be plotted, elucidated and assessed. This article presents here an indicator-based system of soil environmental quality that evaluates sustainable rehabilitation of mine waste through a set of 2 subindicators, chemical fertility and stocks of organic matter, and further combines them into a single general Indicator of Soil Quality (GISQ). The design and calculation of the indicators were based on sequences of multivariate analyses. Principal component analysis (PCA) was used to assess soil quality overall. A GISQ combined the different subindicators providing a global assessment of soil environmental quality. Our findings provide evidence that selected indicators can provide a definitive, quantitative assessment of soil environmental quality and lend credence to the value of our approach in quantifying relationships between soil function and indicators for specific areas.