The Impact Humans Have on Each Cycle

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The Impact Humans Has On the Ecosystem Shanty DePriest Everest University Online EVS 1001-44 October 26, 2012 The Impact Humans Has On the Ecosystem There are three Cycles in the Ecosystem that are impacted by Humans. They are the Carbon Cycle, the Phosphorus Cycle, and the Nitrogen Cycle. First cycle that human has a very significant impact on is the Carbon Cycle. The Carbon Cycle is the circulation of carbon between living organisms and their surroundings. For instance Carbon Dioxide from the atmosphere is synthesized by plants, which is ingested and metabolized by animals, which is converted to Carbon Dioxide during respiration and decay. Humans remove over 40% of the photosynthetic that effort plants in order to support human enterprises. When humans burn fossils fuels that increases the atmosphere Carbon Dioxide by 35%, then during the combustion stage the present of air (oxygen), Carbon Dioxide and water molecules are release into the atmosphere. Human has an impact on the Phosphorus Cycle as well as the Carbon Cycle. The Phosphorus Cycle is representative of the cycle of all biologically important mineral nutrients-those elements that have their origin in the rock and soil minerals of the Lithosphere, such as iron, calcium, and potassium. Humans have a serious intrusion into the Phosphorus Cycle that comes from the use of Phosphorus Cycle that contains fertilizers. Phosphorus is mined all around the world then made into fertilizers, animal feeds, detergents and other products. (Wright & Boorse) The third cycle that Humans impact in the Ecosystem is the Nitrogen Cycle. The Nitrogen Cycle is the process by which Nitrogen is converted between its various chemical forms. This transformation can be carried out through both biological and physical processes. Nitrogen takes up approximate 78% of the Earth’s atmosphere. Humans impact on the Nitrogen
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