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8 Cards in this Set
- Front
- Back
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Point and non point |
Point: comes from single point. Easy to regulate and monitor. Can be traced Back to single point Non point: come from multiple sources. Hard to monitor and regulate |
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Nutrient pollution |
Excess nutrients (nitrogen and phosphorus from fertiLizer and waste) enter water and stimulate algae growth- eutrophication Leads to less O2 and death of fish. To stop, stop letting waste get into water and remove nutrients |
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Heavy metal pollution |
Metals such as arsenic, mercury etc enter water from mining, oil and gas operations and cars. Failed fish reproduction and biomagnification. To stop, store metal away from water and decrease use |
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Heat pollution |
Water heats up because factories use water to cool equipment and dump it back. Reduces oxygen level and kills fish. To stop it, cool ponds before they move into lakes and transfer heat to atmosphere |
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Pathogens pollution |
Disease causing bacteria get into water from sewage and waste. Kill shellfish and form diseases like hepatitas and cholera. To stop, treat with UV |
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Agricultural waste |
Agrochemicals enter water and cause biomagnfication and neurological problems. To stop, ban it |
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Water pollution |
A physical chemical or biological change in water that has adverse effect on life and ecosytem |
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Variables |
Independent - organisms and chemicals Dependant- levels of ammoia nitrate conductivity and dissolved o2 Control- source of water distance it travels water pump and movement of water |
