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Global Environments

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Carissa Campbell

on 1 August 2013

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Transcript of Global Environments

Global Environments
Don't try this at home
Deserts are areas where there is a shortage of water and low rainfall. There are two main types - Hot and Cold. Deserts are harsh environments and they don't support large settlement.
Mountain Environments are the highest areas on Earth and are found on all continents and latitudes. They are mild to cold with steep to rugged land. Some mountain regions are subject to natural hazards such as volcanoes, earthquakes and avalanches.
Tundra Environments are between 0 and 10 degrees celsius. Vegetation is small and ground hugging. Trees can't grow because of the permafrost.
Polar Environments
are located inside the Arctic and the Antarctic. They are very cold with little or no vegetation. They are sparsely populated by people but home
to many animals.
Wetland Environments are covered by water some or all of the year. It can be salt or fresh water to a depth of six metres.This includes swamps and marshes. Many wetlands have been drained for settlement. They cover six percent of the world's surface.
Grassland Environments are dominated by grasses rather than trees and shrubs. There are two main types
- which have a few trees and a hot climate and
- which has more rainfall and makes valuable farming land.
Coastal Environments include hinterlands, islands, beaches and estuaries.
River Environments flow through different environments into the sea. Settlements occur along rivers because they provide fresh water and transport routes.
Coral Reefs are made up of a variety of species including corals, algae and sponges. They are located in the tropical waters within 30 degrees north and south of the equator.
Rainforest Environments need constantly wet conditions. There are three types.
Rainforests are valuable sources
of timber.
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