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Saturday, 28 April 2012

Effects of Cutting TREEs


Erosion of Soil
When forest areas are cleared, it results in exposing the soil to the sun, making it very dry and eventually, infertile, due to volatile nutrients such as nitrogen being lost. In addition, when there is rainfall, it washes away the rest of the nutrients, which flow with the rainwater into waterways. Because of this, merely replanting trees may not help in solving the problems caused by deforestation, for by the time the trees mature, the soil will be totally devoid of essential nutrients. Ultimately, cultivation in this land will also become impossible, resulting in the land becoming useless. Large tracts of land will be rendered permanently impoverished due to soil erosion.

Disruption of the Water Cycle
Trees contribute in a large way in maintaining the water cycle. They draw up water via their roots, which is then released into the atmosphere. A large part of the water that circulates in the ecosystem of rainforests, for instance, remains inside the plants. When these trees are cut down it results in the climate getting drier in that area. The groundwater tables are affected and soon get depleted. The trees help in prevention of running off of water and help the soil absorb the flowing water. When there are no trees, water just runs off, leaving no chance for the groundwater tables to absorb more water. Thus, ultimately leading to reduction in water resources.

Loss of Biodiversity
The unique biodiversity of various geographical areas is being lost on a scale that is quite unprecedented. Even though tropical rainforest make up just 6 percent of the surface area of the Earth, about 80-90 percent of the entire species of the world exist here. Due to massive deforestation, about 50 to 100 species of animals are being lost each day. The outcome of which is the extinction of animals and plants on a massive scale. The deforestation effects on animals is very heartbreaking. They not only lose their habitat and protective cover, they are pushed to extinction. Many beautiful creatures, both plants and animals have vanished from the face of the earth.

Flooding and Drought
One of the vital functions of forests is to absorb and store great amounts of water quickly when there are heavy rains. When forests are cut down, this regulation of the flow of water is disrupted, which leads to alternating periods of flood and then drought in the affected area. Thus, leading to disruption of human settlements and loss of life in thousands.

Climate Change
It is well-known that global warming is being caused largely due to emissions of greenhouse gases like carbon dioxide into the atmosphere. However, what is not known quite as well is that deforestation has a direction association with carbon dioxide emissions into the atmosphere. Trees act as a major storage depot for carbon, since they absorb carbon dioxide from the atmosphere, which is then used to produce carbohydrates, fats, and proteins that make up trees. When deforestation occurs, many of the trees are burnt or they are allowed to rot, which results in releasing the carbon that is stored in them as carbon dioxide. This, in turn, leads to greater concentrations of carbon dioxide in the atmosphere.

These are just a few of the causes and effects of deforestation. The consequences of deforestation are very unpleasant as every form of life on earth is interlinked with one another. Not only do animals lose their homes, but humans dependent on the local ecology are also affected. The water cycle gets disturbed leading to floods and droughts. People dependent on the forests for their survival lose their livelihood. Global warming is another problem looming over our heads. Cutting tree causes and its effects can be stopped to some extent, if we all do our bit towards the environment. Reduce emissions by avoiding use of cars and bikes indiscriminately. Make our factories more cleaner and monitor their emissions. Develop better ways of farming that help increase the yield without having an impact on the neighboring forest areas.  Reforestation of lost areas and following sustainable practices will help us balance our green cover. Remember, trees give us life, without them it will be impossible to sustain life.

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