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Human Impact on the Natural Environment Case study: The world's Tropical rainforests

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Introduction

Human Impact on the Natural Environment Case study: The world's Tropical rainforests Tropical Rainforest can be found In The Following Rejoins: Central + West Africa, Indonesia, South Asia, South America, Central America, South East Asia. Describe the scale and global distribution of tropical rain forest? They are found around the equator between the tropic of Cancer and the tropic of Capricorn. They run in a belt from west - east. The landmass of tropical forest is very extensive, it covers 7% of all the worlds land. It is trans continental; it covers 4 continents South America, Africa, Asia and Oceania. The Rainforest Environment: The Amazon rejoins of South America (Amozonia) Population density is number of people by area of land Population density = number of people/ are of land Brazil population = 150500000 Land area = 8361111 km2 ...read more.

Middle

The Tropical Rainforest climate compared to our own (London and England) The range of temperature is the amount of degrees between the lowest temperature and the highest. (1) The annual rainfall for Manus is 1811mm this is about three times as much rain as London receives 600mm London has a very fixed amount of rainfall over the year and Manus has an extremly varied amount of rainfall over the year. (2) Manus has a very high average temperature at about 28oc this is about three times the temperature of londons at 11oc. (3) Manus has a very small range of temperature 2oc this shows no fixed seasons with temperature because there is very little change London's is seven times bigger a 11oc this shows that the temperature is not fixed this is show by the four seasons winter spring autumn and summer, in June, July and August the temperasture is at its highest showing summer. ...read more.

Conclusion

to the floor it starts to decompose quickly, There are 4 layers in a rain forest the top layer is the Emergents these are 45 meters high they are close together and stop some light passing through the there is the main canopy at 30 meters this stops more light and then at 25 meters there is the under canopy this stops more light then there are the shrubs at 5 meters this stops more light, so there is not very much light at the floor. The trees in the tropical rainforest are deciduous but the forest remains evergreen. Why? There are constant high temperatures, this means that there are no seasons like winter when the tress lose there leaves, the tress lose their leaves at different times in the year so it looks like the forest is evergreen. ...read more.

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