Extreme+Environments

=**Extreme Environments**=

Living at Altitude [|http://www.highaltitudelife.com]



Teaching notes

Glacial Deposition

Deserts

Quick intro to deserts; [] Some desert wildlife [] Desertification [] Definition An arid landscape or desert is one where the potential evaporation exceeds the average precipitation. (ie more evaporation than rain) Deserts are often defined in terms of deficiencies; rain, soil nutrients, vegetation and population. However deserts do have a wealth of specially adapted wildlife and can be very productive environments, particularly when they are well managed. One third of the world can be classified as arid or semi arid and with the ongoing process of desertification, this is growing.

Desert Features ppt

Flash floods instructions & hwk question

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Use p308 – 318 of your text book and [] to make notes on the following. Your notes should be extensive and should include detail and explanation as well as case studies. You may work in pairs or 3s if you wish.

1) What are the opportunities for agriculture in arid and semi arid areas?   2) Explain how aridity and infertility are different. [] 3) Use case studies to explain the importance of irrigation in the desert. (Include a map and pictures of an area where irrigation is used) []   4) What is salinization? Explain why it is a risk in arid environments. [] 5) Outline, using examples the processes and factors involved in desertification. Give case study detail of areas where desertification has happened or is a risk.   6) Outline the main conflicts caused by agriculture between the different interest groups

Mineral Extraction on Extreme Environments 

Tourism in Extreme Environments