Geography: Rainforest

Extracted soil samples indicate simultaneous reduction of rainfall and occasional erosion. Both soil and sediment features show establishment of marked

#18. The relationship between the diversity of plant root systems and erosion is that the roots protect the soil from erosion and the thinner the soil is the more perennial the roots become.

Soil turnover - as soil is moved around by digging animals, organic matter is mixed through which distributes nutrients throughout the soil

The soil commonly found is alkaline which allows the desert plants to grow and gain nutrients through the roots in the ground. the temperature allows for Predators to be able to hunt for longer stretches of time in cooler temperatures and often rest in the shade in preparation of hunting in the warmer temperatures. the sand dunes help to Prevent soil erosion by storing sand that replaces the eroded sand below with more sand so the total amount of sand in an area does not decrease.

Look around you; do you think that we need soil in our everyday lives? Sure we do. Natural flowing water is filtered through the soil thus making it drinkable. We breathe the air that is produced by plants that grow in soil. Our clothes wouldn’t be made if the cotton plant had no soil to grow in.

The soil nutrient availability is higher around trees that are older bigger and less available around open fields. The rich soil tends to be near trees and cannot thrive thrive out in the open. Light availability differs with the types of trees and the open grasslands. Some plants have to survive and fight for sunlight. The decomposition rate is pretty quick because of termites that are in the

Soil is the word that literally holds this world together. Without the necessity of soil, we probably wouldn’t even be where we are today. It is the main support system for our earth because it holds the roots to the ground, keeping our ground in tact. When we can’t control what happens in nature, like the Dust Bowl, we may be hit with unexpected dangers, but when it comes to things we can control we need to act right away. In the 1930’s, with little to no rainfall, weak soil and no advanced technology the people in the great plains were headed for a major catastrophe. They had no control over the way their land was moving, so it just kept going and eventually ended up to be known around the world as the Dust Bowl. If they would have had the

When assembling all roles of soil, one is able to see that soil plays a vital part of the natural environment. It is just as important as plants, and animals. It influences the distribution of plant species and provides a habitat for a wide range of organisms.

Terraces: reduces soil erosion by breaking slopes into a series of shorter ones, protects water quality by intercepting agricultural runoff, helps prevent gully formation, makes it easier to farm steep slopes, and they improve soil quality and productivity by improving

According to the European Union’s Joint Research Center, soil contains nearly one third of all living organisms, but only about one percent have been identified. Another study in 2003 featured in the journal Ecosystems estimated that 5% of the United State’s soil biodiversity was “in danger of substantial loss, or complete extinction, due to agriculture and urbanization.” (Robbins) The damage comes from multiple sources. Paving or building over soil effectively blocks out the air, water, and light needed to have a functioning soil biome meaning that roads, cities, sidewalks, houses, and businesses have destroyed the soil beneath it. Agricultural practices remove organic material, decreasing food, and then allows fallowed land to become dry and exposed to the elements. Household, industrial, and agricultural toxins can also sterilize soil if not disposed of

Generally soils located in grassland regions have very and this is what I presumed, however, the Delpoint soil series has a relatively short A horizon, which is abnormal for a grassland soil. The melanization that has formed this A horizon is very minimal and made so due to the cryic temperature regime, which blesses us with short periods of frost free conditions as well as limited precipitation decreases organic material. This also shows how this soil creates its self and is forming from the parent material and slowing working upwards. Also some alluvial deposits from up hill deposit to form the thin fertile crust.

soil properties over a larger region may not be so well behaved. In simple words isotropic

Soil movement is caused by the force of the wind against the ground. Each surface and soil type have a different amount of velocity it takes to move the soil particle. Once the particles get this velocity they will move, depending on the particle size and wind velocity.

Significantly, desertification also cause soil erosion, which means soil surface is worn by wind and water. Desertification makes soil easy to erode by water or wind, as soil is exposed and soil structure is instable without forest. LaI R(2003) says that ““Land area globally affected by erosion is 1094 million ha (Mha) by water erosion, of which 751 Mha is severely affected, and 549 Mha by wind erosion, of which 296 Mha is severely affected.” To control soil erosion, an obvious way is virescence, enlarging forest cover, which can protect the soil far from exposing to strong wind. Also, the roots of plants under ground play a role as a framework, as they are obstructions to soil movement,

Soil is a heterogeneous body that shows large variations in most of the properties (physical, chemical and biological). Although many factors and processes of soil formation contribute to the variation in soil properties, time and space are the two most important