Effects
The fact that eucalyptus trees needs huge amounts of water to grow make them a perfect tree to plant in places where malaria is rampant. Eucalyptus trees help to dry out swampy ground by sucking in moisture through their roots.
Features
Eucalyptus wood can receive a polished finish. That combined with its hardness makes it a desirable wood for such things as shipbuilding, constructing docks and home interior woodwork.
Considerations
The inner bark of eucalyptus is a source of fiber that Australians employ to make paper and cord. Aussies also use eucalyptus for a fuel source and value the bark for tanning purposes.
Eucalyptus Oil
The leaves of eucalyptus trees have a form of oil within them that makes them a key ingredient in such types of things as antiseptics, deodorants and stimulants.
Function
Eucalyptus trees are great ornamental trees and are useful in forming windbreaks.
Source: http://www.ehow.com/facts_5575257_uses-eucalyptus-trees.html