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[1]WANG Dongli,GUO Yingying,XIE Wei,et al.Community and Soil Seed Bank Characteristics of Different Vegetation Restoration Types in Aeolian Sandy Loess Dumps[J].Research of Soil and Water Conservation,2022,29(05):171-177.

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Community and Soil Seed Bank Characteristics of Different Vegetation Restoration Types in Aeolian Sandy Loess Dumps

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 29 Number of periods: 2022 05 Page number: 171-177 Column: Public date: 2022-08-20

Title:: Community and Soil Seed Bank Characteristics of Different Vegetation Restoration Types in Aeolian Sandy Loess Dumps

Author(s):: WANG Dongli¹, GUO Yingying¹, XIE Wei^1,2, QIAN Xiaotong¹, GUO Jianjun², ZHAO Xiaoliang¹, LIAN Zhao¹, DU Huadong³; (1.College of Environmental Science and Engineering, Liaoning Technical University, Fuxin, Liaoning 123000, China; 2.Ecological Research Institute, Shendongtianlong Group Corporation Ltd, Ordos, Inner Mongolia 017000, China; 3.College of Geology & Environment, Xi'an University of Science and Technology, Xi'an 710054, China)

Keywords:: open pit coal mine; dumping ground; vegetation type; soil seed bank; semiarid region

CLC:: S156

DOI:: -

Abstract:: As an artificial ecosystem, the natural conditions of the dump in the aeolian loess region are severe and the soil is barren. The characteristics and relationship between aboveground vegetation communities and soil seed bank of different vegetation types were studied by using the method of vegetation investigation and seed bank germination experiment, and the benefit and potential of vegetation restoration were discussed. There are 47 species of plants belonging to 16 families and 40 genera in the aboveground vegetation community under the artificial vegetation restoration in the study area. The soil seed bank consists of 14 species belonging to 5 families and 13 genera, among which Gramineae, Compositae, Chenopodiaceae and Leguminosae are dominant. The species diversity of aboveground vegetation and soil seed bank of shrubbery are the best. The density of soil seed bank and aboveground vegetation variy from 88.48 to 495.47 plants/m² and from 74.74 to 1422.91 seeds/m², and they are the largest under grassland type. The similarity coefficient of soil seed bank and aboveground vegetation ranges from 0.16 to 0.23. Therefore, it is necessary to strengthen the protection and management for the vegetation restoration and reconstruction of the dumping site in the aeolian loess area. The artificial grassland and Shrub should be considered as the main factors to improve the community diversity and stability, and different provenances should be introduced to increase the community restoration potential.

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Last Update: 2022-08-20