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Seed removal on loess slopes in relation to runoff and sediment yield
Authors:Luyan Han  Juying Jiao  Yanfeng Jia  Ning Wang  Dong Lei  Linyu Li
Affiliation:1. Institute of Soil and Water Conservation, Northwest A&F University, Yangling 712100, Shaanxi, PR China;2. Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling 712100, Shaanxi, PR China
Abstract:Overland flow and sediment transport can carry away seeds at the soil surface and in the soil, cause a secondary seed dispersal event, lead to seed redistribution, and influence the spatial distribution of seedling renewal, which plays an important role in vegetation restoration and succession. The objectives of this study were to investigate the process of seed loss on loess slopes and its relationship to the yield of runoff and sediment, the effects of rainfall intensity, slope gradient and seed morphology on seed removal.
Keywords:Seed redistribution   Seed loss   Water erosion   Loess slope   Simulating rainfall
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