deforestation

26
deforestation

description

deforestation. Deforestation is the cutting down or burning of trees. Clearing of forests. Positive effects of Deforestation. Land to grow crops and build houses(infrastructure). Model city made by standard 4 wiltshire. Wood for paper and furniture. Wood for fuel. coals. - PowerPoint PPT Presentation

Transcript of deforestation

deforestation

deforestation

Deforestation is the cutting down or burning of trees.Clearing of forests

Positive effects of Deforestation

Land to grow crops and build houses(infrastructure)

Model city made by standard 4 wiltshire

Wood for paper and furniture.

Wood for fuel

coalsNegative effects of DeforestationDestroying animals homes (habitat)

These are some endangered animals whose homes and food source have been destroyed by deforestation.Causes landslides and soil erosion

Less oxygen and more carbon dioxide in the air leads to the greenhouse effect (global warming).

Three groups of std.4 made models of forested and deforested areas to show the effects of rainfall.

Deforested area

Forested area (group 1)

Forested area (group 2)

Deforested area (model of a city) and model of the two forested areas

After the rains came...Deforested areaForested area

I dont think the city will survive this heavy downpour!!!

In the deforested area there is flooding.

Forested area (group 1)Forested area (group 2)

Stop cutting down treesWe need our trees!!!Presented by Damali Wiltshire