Αποτελέσματα Αναζήτησης
24 Αυγ 2018 · Some soils are more prone to erosion than others and the main factors that affect their vulnerability are: Texture : Soil erodibility increases with the amount of silt and fine sand particles. The least likely to erode are clay soils because they hold well together.
7 Φεβ 2020 · Soil erosion decreases soil fertility, which can negatively affect crop yields. It also sends soil-laden water downstream, which can create heavy layers of sediment that prevent streams and rivers from flowing smoothly and can eventually lead to flooding.
Soils that affect human health include natural soil, which usually has little anthropogenic contamination, and soils in agroecosystems, urban areas, mines, oil and gas extraction areas, landfill sites and other locations where anthropogenic contamination is more likely.
8 Δεκ 2017 · Human activity and related land use change are the primary cause of accelerated soil erosion, which has substantial implications for nutrient and carbon cycling, land productivity and...
The effects of soil erosion go beyond the loss of fertile land. It has led to increased pollution and sedimentation in streams and rivers, clogging these waterways and causing declines in fish and other species. And degraded lands are also often less able to hold onto water, which can worsen flooding.
26 Νοε 2020 · Here the authors show how rates of erosion, sediment transfer and alluvial sedimentation have increased by an order of magnitude across North America since European colonization, far exceeding...
7 Φεβ 2020 · Soil erosion is a significant threat to land sustainability and productivity in mountainous areas. Erosion can affect food security and land vulnerability to climate change.