MANGROVE TREE
A
mangrove is a tropical marine tree. Mangroves have special aerial roots and
salt-filtering tap roots which enable them to thrive in brackish water.
Brackish water is salty but not as salty as sea water. Mangrove trees are
commonly planted and found in coastal areas. Mangroves can serve as walls of
protection for natural disaster in coastal area like tsunami. According to BBC
News, healthy mangrove forests had helped save lives in the Asia disaster
tsunami and people tended to respect these natural barriers even more,
especially after the tsunami.
There
are several species of mangrove tree found all over the world. Some prefer more
salinity, while others like to be very-close to a large fresh water source such
as river. Some prefer areas that are sheltered from waves. Some species have
their roots covered with sea water every day during high tide. Other species
grow on dry land but are still part of the ecosystem. The Times of India
reported that rare species of mangrove had been found and was also known as the
looking-glass tree, probably because the leaves are silver-coated.
Mangroves
need to keep their trunk and leave above the surface of the water. Yet they
also need to be firmly attached to the ground so they are not moved by waves.
Any part of root that appears above the water
flows oxygen to the plant under water surface. as the soil begin to build up,
these roots procedure additional roots that become embedded in the soil.
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