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The 4 Types of Natural Cycles
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The 4 Types of Natural Cycles
4 Types of Cycles are:
Welcome
Done By: Ezza Mirza
Carbon Cycle
Water Cycle
They are...
Phosphorus Cycle
Nitrogen Cycle
Carbon Cycle
What is the Carbon Cycle?
What is it?
The carbon Cycles describes the process in which carbon atoms continually travels from the atmosphere to the earth and then back into the atmosphere over and over again.
The Carbon Cycle
Cycle
Importance:
Carbon helps regulate the Earth's temperature, make all life possible, is a key ingredient in the food that sustains us, and provides a major source of the energy to fuel our global economy.
Why is it Important?
Benefits:
Nature tends to keep carbon levels balanced, meaning that the amount of carbon naturally released from reservoirs is equal to the amount that is naturally absorbed by reservoirs.
Benefits
Human Activity
Burning fossil fuels, changing land use, and using limestone to make concrete all transfer significant quantities of carbon into the atmosphere. The ocean absorbs much of the carbon dioxide that is released from burning fossil fuels. This extra carbon dioxide is lowering the ocean’s pH, through a process called ocean acidification.
Anthropogenic Impact
Water Cycle
What is it?
The water cycle, also known as the hydrologic cycle that describes the continuous movement of water on, above and below the surface of the Earth.
What is it?
Cycle
Importance
The water cycle is an extremely important process because it enables the availability of water for all living organisms and regulates weather patterns on our planet. If water didn't naturally recycle itself, we would run out of clean water, which is essential to life.
Importance
Benefits
About 71% of the Earth's surface is water-covered, and the ocean hold about 96.5% of all Earth's water. Water also exists in the air as the water vapor, in river and lakes, in glaciers, in the ground and all living thing .
Benefits
Human Interaction
Through the building of dams and irrigation schemes large amounts of water are diverted from river systems.
Through the emission of greenhouse gases causing global warming, also the rainfall and evaporation patterns are changed across the globe.
We need food, We need water
The removal of trees (deforestation) is having a major impact on the water cycle, as local and global climates change
Anthropogenic
Impact
Phosporus Cycle
Phosphorus Cycle
What is it?
The phosphorus cycle is the process by which phosphorus moves through the lithosphere, hydrosphere, and biosphere. Phosphorus is essential for plant and animal growth, as well as the health of microbes inhabiting the soil, but is gradually depleted from the soil over time.
Cycle
Importance
Importance
The phosphorus cycle is responsible for increasing the availability of phosphorus in the soil for plant growth and soil fertility
Benefits
o Root Growth
o Flowers and Seeds
o Improves Plant Resilience
Benefits
Human Interaction
Humans have had a significant impact on the phosphorus cycle due to a variety of human activities, such as the use of fertilizer, the distribution of food products, and artificial eutrophication.
Anthropogenic Impact
Nitrogen Cycle
Nitrogen Cycle
What is it?:
What is it?
Nitrogen cycle, circulation of nitrogen in various forms through nature. Nitrogen, a component of proteins and nucleic acids, is essential to life on Earth.
78% by volume of the atmosphere is nitrogen gas, this abundant reservoir exists in a form unusable by most organisms.
Cycle
Importance:
Nitrogen is found in soils and plants, in the water we drink, and in the air we breathe
o It is also essential to life: a key building block of DNA, which determines our genetics, is essential to plant growth, and therefore necessary for the food we grow.
Importance
Benefits:
When plants lack nitrogen, they become yellowed, with stunted growth, and produce smaller fruits and flowers. Farmers may add fertilizers containing nitrogen to their crops, to increase crop growth. Without nitrogen fertilizers, scientists estimate that we would lose up to one third of the crops we rely on for food and other types of agriculture
Benefits
Human Interaction
Eutrophication can reduce oxygen availability in the water during the nighttime because the algae and microorganisms that feed on them use up large quantities of oxygen in cellular respiration.