divendres, 11 de juny del 2010

The eucalyptus


This tree was introduced into Delta region in the mid-19th century in order to dry up the swamplands that favoured the breeding of malaria-carrying mosquitoes. Its root system can adsorb up to 200 liters of water per day. It is notable for the aromatic fragance of its gumnuts, leaves and flowers. The wood is used industrially to extract a cellulose paste while the leaves have a medical use for respiratory infeccions.