Soils

Introduction Soil carbon sequestration (SCS) is the removal of atmospheric Co2 and its long-term storage in soils as soil organic carbon, soil organic matter (decomposing plant and animal tissues) and soil inorganic carbon. Carbon is sequestered in oceans, geological landforms, vegetation and soils; about 75% of the carbon sequestered on land is stored in soils (Powlson et al, 2011). The size of the flow of CO2 to and fro the atmosphere into oceans, soil and geologic landforms will determine if

Soil is a vital part of the natural environment. Without soil the land on Earth would be wastelands of barren rock. Soil is the thin skin of our earth where we plant and grow vital grain crops such as wheat, corn and rice that feed more than seven billion of us. The future rests on the soil beneath our feet. History is littered with the remains of civilizations that ignored, exploited and degraded the soil beneath their feet. One-third of the world’s soil has already been damaged by wind and water

Effect of Woody Litter Mass on Soil Invertebrate Diversity Discussion Hannah Willis After performing our experiment we came to the conclusion that the amount of woody litter mass did not have a statistically significant effect on the amount of soil invertebrate diversity of an area. In each of the different areas, the P-Values were above 0.05 meaning that there was no significant correlation between woody litter mass and soil invertebrate diversity. There were 36 total invertebrates found between

of a fire the soil it travels over is effected. Alterations happen immediately after a fire passes over a soil and can continue years after a fire has gone. Soils are impacted in two main ways; by the entering of nutrients form the brunt

METHODS Data Collation Data was collected from published studies or in-press studies that focused on human impacts toward soil biodiversity. Potential relevant studies must compare multiple sites which having different land use type and/or intensity. In addition, species abundance, richness, occurrence, or other diversity metrics must be present in the study, so that diversity can be estimated. Furthermore, the information of the sites location is also very important, studies which have the sites

In North America, sodic soils are mostly found in the northern Great Plains of the United States. Sodic soils develops on glacial deposits and till of saline shales (Heck and Mermut, 1992). The presence of a fluctuating water table, landscape position, topography, parent material permeability elevate the sodicity on glacial deposits (Wilding et al., 1963; Lewis and drew, 1973; Munn and Boehm, 1983; Seelig et al., 190; Richardson et al, 1992). The total area of North Dakota in the United States is

Effects on the Earth. There are various types of soil pollution. One type is soil pollution by chemical fertilizer. This occurs when the chemical fertilizer goes into the ground, mixes with the water, and reduces the fertility of the soil. Chemical fertilizer can also affect water quality when it rains, goes into streams, or even leaches into ground waters. “Fertilized soils and livestock can be significant sources of gaseous, nitrogen-based compounds like ammonia and nitrogen oxides.” says

Introduction “Soil classification is the categorisation of soils into groups at various levels of generalisation according to their physical, chemical and mineralogical properties” (Boul et al 2011:34). The formation and subsequently the classification of soil has been at the forefront of geological scientific research since its emergence in the 19th Century. Over the course of this essay I will be considering the various classifications of soils as well as overcoming management problems they may

I found the Delpont soil series in Lewis and Clark county, Montana, but it is not just limited to Montana, this soil profile is dominated by grasslands and can be found on the fronts of the Rockies as well as bordering states. This soil can be found close by in the Tetons, the Lewis and Clark counties, as well as the Tetons this soil series can be found any were from flat to moderately steep slopes and somewhat and arises from consolidated loamy sedimentary beds. Soil Forming Factors The parent

Geotechnical Engineering Practice | August 19, 2012 1 The origins of soil deposits on the earth’s crust can reveal significant findings in the chemical and mechanical characteristics of the soils themselves. It is important to uncover such origins to find how and where such deposits may have formed over tens of thousands of years ago. Marine and Lacustrine deposits are two soil types that are commonly encountered during soil exploration, both of which are primarily traced back to either glacial