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[1]L Furong,HAN Zhen,DENG Longyun,et al.Impact of Change in Rainfall and Landscape Pattern on Soil Erosion in Huang-Huai-Hai Plain[J].Research of Soil and Water Conservation,2021,28(06):1-8.

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Impact of Change in Rainfall and Landscape Pattern on Soil Erosion in Huang-Huai-Hai Plain

Research of Soil and Water Conservation[ISSN 1005-3409/CN 61-1272/P] Volume: 28 Number of periods: 2021 06 Page number: 1-8 Column: Public date: 2021-10-10

Title:: Impact of Change in Rainfall and Landscape Pattern on Soil Erosion in Huang-Huai-Hai Plain

Author(s):: LÜ Furong¹，HAN Zhen^1,2，DENG Longyun¹，YANG Jijun¹，WU Quanyuan¹，QIAO Jianmin¹; (1.College of Geography and Environment，Shandong Normal University，Jinan 250358，China; 2.Qingdao Guoce Haiyao Information Technology Co. Ltd.，Qingdao，Shandong 266000，China)

Keywords:: GIS; Huang-Huai-Hai Plain; rainfall; land use; soil erosion; landscape pattern

CLC:: S157.1

DOI:: -

Abstract:: In order to better monitor and control soil erosion，GIS spatial analysis，correlation analysis and multiple regression methods were used to evaluate soil erosion intensity by USLE equation，and the dynamic change of landscape pattern index was quantified. On this basis，the influence of change in rainfall and land use pattern on soil erosion in the Huang-Huai-Hai region from 2000 to 2015 was analyzed. The results show that from 2000 to 2015，the average annual rainfall of the Huang-Huai-Hai Plain was 667.11 mm，which increased spatially from northwest to southeast，and showed a general downward trend in time; the changes in land use were that the cultivated land was more dispersed and smaller，and the construction land was more concentrated and larger; the soil erosion had been alleviated，slight erosion was dominant，and concentrated on cultivated land，and erosion was severe in a few areas，mainly on grassland and forest land; compared with precipitation，soil erosion intensity is more affected by landscape pattern changes; the higher the CONTIG_MN，the better the landscape connectivity between the same type of patches，and the lower the soil erosion intensity. To sum up，landscape pattern is a more important factor affecting soil erosion，and more attentions should be paid to the impact of human activities on landscape pattern in order to better rationally use soil resources and strengthen soil erosion control.

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Last Update: 2021-10-10