Surface creep erosion.
By the talented Katarina Abts and the one and only Paige Ready
Effects on vegetation
- Soil fertility is reduced
- Ground cover is thinned out
- Can expose dense clay subsoils
- Build-up of soil particles against obstacles
- Damage vegetation
http://en.wikipedia.org/wiki/Erosion
How to prevent
http://www.derm.qld.gov.au/factsheets/pdf/land/l259.pdf
Three of the primary ways to help prevent it
http://milford.nserl.purdue.edu/weppdocs/overview/wndersn.html
http://www.ext.colostate.edu/pubs/crops/00518.html
- 3. cover the soil with plant residue and/or growing plants.
- 1. with a feild with no shelter from the wind, decrease the distance across the field
- 2. form ridges, with the correct material, around the esges of the field.
Where it all happens.
Surface creep happens on the surface of the soil when the wind blows grains of sand around. It creeps along the surface.
Definition.
Surface creep erosion: The large paticles which are too heavy to be lifited into the air are moved through a process called surface creep. In this process, the particles are rolled across the surface after coming into contact with the soil particles in saltation.
How it happens
- Overgrazing livestock
- Feral animals
- Drought
- Extreme Winds