Title: Biogeochemical Cycles: Oxygen Carbon Sulfur Nitrogen Phosphorous Calcium
1Biogeochemical CyclesOxygenCarbonSulfurNitro
genPhosphorousCalcium
2Oxygen Cycle
Brazils forests produce 40 of the earths
atmospheric oxygen
3Oxygen Cycle
Image obtained from http//www.accessexcellence.co
m/AB/GG/photo_Resp.html  Â
4Oxygen Cycle
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5Oxygen Cycle
www.nasa.gov
Depletion of ozone leads to ecosystem health risks
6Carbon Cycle
Temperate rainforests store vast amounts of
carbon, both above and below ground.
7Carbon Cycle
Brazils rainforests re-cycle carbon faster than
any other ecosystem.
8Carbon Cycle
vrs
Carbon stink
Carbon sink
Today, the earths atmosphere is accumulating
CO2 faster that it can be sequestered.
9Carbon Cycle
10Carbon Sinks1. Marine viruses and
phytoplankton2. Forests3. Coral reefs
11Carbon Cycle
The earths core temperature is rising
12Nature Is Re-shuffling The DeckAs The
Environment Changes