Biogeochemical Cycles YouTube Lecture Handouts

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Biogeochemical Cycle


Sedimentary Cycle

  • Phosphorous cycle

  • Human Impact on phosphorus cycle

  • Sulfur Cycle

  • Acid Rain

  • Adverse Effects

Phosphorus Cycle

Phosphorous Cycle - Where is it Possible

Phosphorous Cycle - Where is It Possible

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  • Main Component of Nucleic Acid

  • Part of energy storing molecules

  • Bones and Teeth

Main Reservoir- Rocks

Small cycle +Global cycle

Human Impact on Phosphorous

  • Dead zone due to lack of oxygen in water resources

  • Health related problems

Sulfur Cycle

  • Natural form-Solid

  • Amino acids ,protein, Vitamins and enzymes

  • Main Reservoir- Rocks & Oceans

Sulfur Cycle

Sulfur Cycle Image

Sulfur Cycle Image

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Acid Rain



  • Disturbance of blood circulation

  • Eye related

  • Reproductive failure

  • Immune System

  • Damage of liver & kidney function