Effects of meteorology and soil on the herb species diversity in plantations in a reclamation area of coal mine after 6 years
2020
Guo, Chunyan | Zhang, Feng | Wang, Xiang | Lu, Ning
The ecological restoration of mining areas has always been emphasized in ecological research. This study has investigated herb species diversity of plantations in a reclamation area of the Antaibao opencast coal mine in China after 6 years, aiming to investigate the changes over time and spontaneous succession patterns. One hundred fifty-six species of naturally colonizing herb belonging to 26 families and 86 genera in the six plantations were chosen. Most of 24 herb-dominant species belong to Gramineae, Compositae, and Papilionaceae. Species diversity, meteorology, and soil were recorded. Over time, although the dominant degree of Gramineous has decreased and the degree of Labiatae and Polygonaceae has increased, it still indicated that Gramineae, Compositae, and Papilionaceae occupied an important position in the herb community and played an important role in natural vegetation recovery in reclamation area of the Antaibao opencast coal mine. The diversity of herb species showed significant differences between different plots and years. Correlation analysis indicates that the most important factors for herb species diversity are soil bulk density, average winter temperature, and the mean autumn rainfall.
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