Notes Feb 16th

Notes Feb 16th - O-Zone = O3 Oxygen= O2 1 molecule of CFC-...

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Unformatted text preview: O-Zone = O3 Oxygen= O2 1 molecule of CFC- can destroy 10,000 molecules of the o-zone Smog Difficulties Breathing- asthmatics, people with emphysema, anomics I r ritation- skin and eyes Clothing and Cars- will dissolve/ Breakdown, Manmade fibers and paint The Value of Forests Detoxify Pollutants Filterer of Soil Water Recycler of Atmospheric Water Stabilize landscapes to prevent erosion Moderate ground and air temperatures with shade Recharges ground water Reservoir for valuable plants and animals Deforestation Either by natural means such as fire, or cutting the forests for timber and fuel Results Increase erosion, particularly on steep slopes Loss of nutrients since little leaf litter Soil dries out since there is no shade Forest Islands- smaller and smaller patches of forests. Support lower species and diversity than intact forests American Chestnut Tree- diseases spread from New England down to the south and all were killed Desertification- Conversion of grasslands, rain fed croplands, and ir rigated crop lands and...
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Notes Feb 16th - O-Zone = O3 Oxygen= O2 1 molecule of CFC-...

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