Effects of Different Vegetation Restoration Patterns on Soil Biological Characteristics in Mining Subsidence Area―A Case Study of Jiaozuo Forest Park

Jiao Jun-Dang, MA Shou-Chen

Ekoloji, 2017, Issue 101, Pages: 11-16, Article No: e101002

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Abstract

Land reclamation and ecological reconstruction in mining subsidence area are important measures to improve the ecological environment of mining areas. Soil is the key factor to mainten the functional stability of restored ecosystem, different reclamation and utilization patterns have different effects on soil characteristics. The reclaimed soil microbial characteristics of artificial lawn, red maple forest, acacia forest, and flower bed in forest park of Jiaozuo city are studied through the field investigation and laboratory analysis. The results show that, compared with the artificial lawn, the other three vegetation restoration patterns significantly improve the soil microbial characteristics of the reclaimed soil. The effects of four vegetation restoration patterns on soil nutrients and soil biological characteristics are artificial lawn<red maple forest< acacia forest < flower bed. Relevant analysis shows that, the biological characteristics of the reclaimed soil are closely related to soil nutrients. Especially soil organic carbon is significantly positively correlated with each of the soil microbial properties (P<0.01), such as SMBC, SMBN, SMBC/ SMBN, qMB, soil enzyme activity and soil respiration rate.

Keywords

mining subsidence, land reclamation, reclamation mode, soil microbial characteristics

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