PPT-Humans and Soil Soil erosion and conservation

By the end of this section you will be able To name and explain the causes of soil erosion Describe in detail how human activities can cause soil erosion Name and explain the primary methods of soil conservation. Methods of soil conservation (ch3). The key aspects discussed in this chapter are:. Windbreaks. Contour ploughing. Stubble planting. Terraces. Stone walls. Reduce farming in dry weather. Windbreaks. Reforestation. in Poland. This project has been funded with support from the European Commission.. This publication reflects the views only of the author, and the . Commision. cannot be held responsible for any use which may be of the information contained therein.. Anticipated Problem: . What is soil erosion?. I. . Soil erosion . is the process by which soil is moved. When soil is eroded, it may become pollution in the water or air. The land where it came from, loses fertility. Vegetation and other coverings help prevent soil erosion. . Chad Lentz. Why Care?. Removes valuable topsoil. Carries away expensive nutrients. Increase tillage costs to fix. Creates algae blooms and dead zones due to excess nutrients in waterways. Types of Erosion. Nancy . Rogel. Eddie . Guadarrama. . Outline. What is Soil Erosion. Types of Erosion. Factors Affecting Erosion Rates. Human Activities that increase Erosion Rates. How to Prevent Erosion. What is Soil Erosion. formation of landforms. weathering and erosion. The process of weathering and erosion are the main forces behind landscape types. . However, they are not the only reason for a plain, plateau, or a mountain region to form. . (chapter 10, section 4). mature soil takes . THOUSANDS. of years to form (so it’s . nonrenewable. ), so it needs to be. . protected (conserved). Why is soil so important?. 1. Nutrients. --Soil . erosion is the process by which the products of weathering are transported. agents of erosion are gravity, wind, glaciers, water, ocean waves, currents streams, groundwater. What is erosion?. What is Soil Erosion?. another.. 2 . kinds:. 1) . Rill erosion. is the erosion by running water in small channels. , on the side of a slope.. 2) . Gully erosion. is when a rill channel evolves to become deep and wide.. . Wided Batita . Ing. , . Ph.D. . Geomatics. . Laval . University. Québec, Canada . 28. th. April 2017. Outline. Statement of the Problem. . Methodology & Theoretical . Orientation. Findings. DSE3T : Factor, Processes and Mitigation Soil Erosion Soil is the most precious gift of nature - Prime resource - for food, fodder etc. for food, fodder etc. It is the earth’s fragile covering t Section 4:. Erosion. Erosion. – transporting weathered material, agents – gravity, wind, glacier, & water. Soil erosion major concern. Soil erodes faster than its made. Land use & climate affect S.E.. Soils. Precipitation. Vegetation. Surface Area. Slope Length. Slope Gradient. Surface Texture. Grayling. January 2022. 3. Factors that Influence Erosion. Goal of this section. :. Be able to name the erosion factors:. areas. : . facts. , . issues. , and . perspectives. Caring. . for. . Soil. – . Where. . Our. . Roots. . Grow. Outline. :. ->. Definitions. (focus on water . erosion. ). ->. Facts. /. examples.