Forest and Grassland Resources Research >
Impact of Different Vegetation Restoration Types on Soil in the Wind-sand Inflow Section of the Hobq Desert
Received date: 2024-08-30
Revised date: 2024-10-10
Online published: 2025-04-18
In order to explore the influence of sandy vegetation restoration on the properties of wind-sand soil,which is crucial for the rational conservation and adaptive management of regional soil and water resources.The research focuses on four typical communities of artificial vegetation communities in the Hobq Desert sand inflow section:18-year-old Corethrodendron scoparium forest(HB),Salix matsudana+Populus simonii+Caragana korshinkii+Elaeagnus angustifolia mixed forest(HYNZ),Populus simonii+Pinus sylvestris var.mongholica Litv.mixed forest(YS),Populus simonii+Salix psammophila mixed forest(YL).The differences in soil properties under the four vegetation restoration types were comparatively analyzed through the combination of in situ sampling in the field and indoor laboratory tests.1)By planting artificial vegetation,the content of fine particulate matter of soil under different vegetation restoration types was significantly increased(P<0.05),and the content of coarse sand particles was decreased.2)Soil pH under different vegetation restoration types was decreased by 0.18~0.83.The effect of the four vegetation types on the electrical conductivity showed that HB>YL>HYNZ>YS.3)Soil bulk density significantly decreased under all vegetation restoration types (P<0.05),with the most considerable change observed in the surface layer.4)After vegetation restoration,soil nutrients were improved to different degrees. There was an obvious epimerization characteristic. The increase of mixed forests was higher than that of Corethrodendron scoparium fores. Artificial vegetation restoration promotes soil recovery in the Hobq Desert sands inlet section by developing fine-grained soil structures and enhancing soil nutrient cycling. Based on the prevailing soil and water resources,it is recommended to construct a protective vegetation system with a diverse array of arboreal and herbaceous species,which is more conducive to the long-term restoration of the regional ecosystem in the Hobq Desert region.
Siran HAO , Zhongju MENG . Impact of Different Vegetation Restoration Types on Soil in the Wind-sand Inflow Section of the Hobq Desert[J]. Forest and Grassland Resources Research, 2024 , 0(5) : 96 -105 . DOI: 10.13466/j.cnki.lczyyj.2024.05.011
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