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- Title
Soil erosion response to land use change in a mountainous rural area of Son La Province of Vietnam.
- Authors
Nguyen, Tien Chinh; Whelan, Michael; Nichols, J. Doland
- Abstract
This study investigated the changes in soil erosion associated with land use change from 2000 to 2020 in a mountainous rural area. Land use change was detected using Landsat images and soil erosion was estimated using the revised universal soil loss equation (RUSLE). The results show that deforestation and fallow cultivation caused substantial soil loss, whereas conversion from uncultivated land to cropland reduced soil erosion. A conversion from 711 ha cropland and 234 ha forestland to uncultivated land increased the average soil loss from 17 ton·ha−1·year−1 to 42 ton·ha−1·year−1 and the area of eroded soil at the very high level from 276 to 1058 ha between 2000 and 2010. In contrast, a wide expansion of cropland from 637 ha uncultivated land decreased the average soil loss from 42 ton·ha−1·year−1 to 32 ton·ha−1·year−1 and the area of eroded soil at the very high level from 1058 to 690 ha between 2010 and 2020. We suggest management measures such as forest protection, afforestation, reforestation, fruit tree development, and soil erosion control practices in coffee and maize cultivation to reduce soil erosion.
- Subjects
VIETNAM; SON La; UNIVERSAL soil loss equation; LAND use; SOIL conservation; REFORESTATION; SOIL erosion; TILLAGE; RURAL geography
- Publication
Environmental Monitoring & Assessment, 2022, Vol 194, Issue 3, p1
- ISSN
0167-6369
- Publication type
Article
- DOI
10.1007/s10661-022-09844-6