Saturday, 15 September 2018

Essay on The Importance of Trees - 500 Words

Essay on The Importance of Trees - 500 Words

Essay on The Importance of Trees
Almost everyone knows the trees and other living plants are valuable. They beautify our surroundings, purify our air, act as sound barriers, manufacture precious oxygen and help us save energy through the air cooling set in summer and their wind reduction in winter.

Trees have a positive effect on people. They make us feel happy and connected with nature day reduce stress they help us recover from illness faster and their restore our spirits. Many people don't realize however that plant has $1 value of their own that can be measured by competent plant appraisers.

Ecological value: During the process of photosynthesis green plants take in carbon dioxide and give off oxygen. Primitive plants are responsible for converting the poisonous atmosphere of Earth into an oxygen rich atmosphere has supports animal life. Trees help to maintain low levels of carbon dioxide, thereby reducing the greenhouse effect which threatens to make the earth uncomfortably warm.

Soil benefits from trees as their far-reaching hold the soil in place, preventing erosion. Trees improve soil quality as their leaf litter makes perfect compost. Some trees, for example acacias have bacteria living in their roots. The bacteria convert nitrogen from the air into nitrates which the tree can use to grow and reproduce, whilst the soil is also enriched.

The leaves of trees are eaten by many insects as well as monkeys, elephants, giraffes, kudus and bush-bucks. Even fallen dead leaves are eaten - they are a favorite food of the blue duiker. Flowers are eaten by monkeys and nectar by birds, insects and bats. Many fruits are eaten by animals, some of which aid seed dispersal.

Trees provide nest sites for birds. The leafy branches make good hiding places and are difficult for most predators to reach - even non-breeding birds roost in trees at night. Woodpeckers, barbets and hornbills nest in holes in trees. Very large, old trees frequently develop a hollow centre, a favorite breeding and roosting place for bats. When dead, their rotting wood is a source of food for insects and their predators.

COMMERCIAL VALUE: Trees provide timber. A widely-used building material, its strength and lightness often gives it the advantage over concrete and steel. Modern buildings still require timber in roof construction. Timber is used in furniture manufacture, and for various other products ranging from tool handles and sporting equipment to matchsticks. Pulped wood is used to make paper.

Wood was our first fuel, and is still the main energy source for many people. Sawdust and off cuts are an important fuel in industry, and may be processed to produce alcohol and chemicals.
Bark of some trees provides cork and can also be made into simple cord - the main building material of half the world's people. However the main importance of bark is as a source of chemicals and medicines.

Tannin, derived from wattle bark, is the basis of the leather tanning industry, Bark, and many other parts of the tree, are used in traditional and modern medicine. Quinine and aspirin, for example, are made from bark extracts.

The inner bark of certain trees provides latex, main ingredient of rubber. Acacias produce sap used in gum manufacture, and the maples of North America yield edible maple syrup. Several palms produce a watery sap which is drunk as palm wine, or can be fermented and distilled into a powerful spirit.

Trees are great producers of edible fruits - apples„ bananas, plums, papayas, avocados, olives, nuts, oranges, litchis - the list of commercially grown fruits is almost endless. Many wild species are of economic importance, including the Brazil nut and Marcela. Wild fruits eaten by rural people include monkey oranges and wild plum.

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