Human Impacts on Energy Flows and Carbon and Nitrogen Cycles

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Human Impacts on Energy Flows and the Carbon and Nitrogen Cycles
Humans have both positive and negative impacts on the biogeochemical cycles, such as the carbon and nitrogen cycles. In most cases, the effect is negative due to the various activities humans indulge in directly or indirectly, threatening the ecosystem. The ecosystem involves cycles that work simultaneously, and the disruption of one process interferes with all the others. Maintaining a state of equilibrium among the biogeochemical cycles is critical to preventing disruption of the different cycles and energy flows. The various human activities trigger diverse adverse effects on the ecosystem.
The application of nitrate fertilizers in excessive amounts on crops triggers an adverse effect due to leaching and eutrophication. Heavy rains carry the excess fertilizers and deposit them into large water bodies, interfering with the aquatic life balance. The deposition of nitrogen inhibits t...