The air we breathe, the water we drink, the energy we consume, almost everything we use or consume, originates from the processes controlled by trees and plants. In our quest for development and luxury, we forgot to appreciate the dependence of humans on trees/forests. In the last 12000 years, our planet has lost three trillion trees, but the forest has an incredible capacity to bounce back. And that is the only hope for the survival of humanity on this planet.
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Trees are a crucial factor in our existence. The devastating and disastrous consequences of deforestation are gradually becoming visible, but without any clear, concrete, and cumulative effort, the future is bleak.
Forests constitute some of the most complex and dominant terrestrial ecosystems of earth. The environment may be analyzed into several factors, such as soil, moisture, wind, and temperature, etc. All these factors essential for life on earth originated and controlled by trees or forests. Trees arose approximately 380 million years ago with the evolution of Archaeopteryx (both tree-like and fern-like, growing 10 meters height) and converted into dense forests with time. Forests can be broadly divided into two categories.
A. Biotic(living) Trees, shrubs, vines, grasses and herbaceous
B. Abiotic Mosses, algae fungi, etc.
They account for 75 % gross primary production of the earth’s biosphere. They contain 80% of the earth’s plant biomass. Net primary production is 21.9 gigaton carbon per year for tropical forests, 8.1 for temperate forests, and 2.6 for boreal forests.
To understand it better, let’s see how forests create an influence on climatic conditions.
- Influence on Air Temperature – Forest vegetation reduces temperature up to almost five feet above ground from 0.8 to 1.8-degree F. In summer and spring. Whereas in winter, it raises the temperature. The influence of forest on general precipitation is far greater than their local effect. A forest, break or moderate the force of air currents they serve to protect lands. This in turn helps in raising the relative humidity, lowering the temperature and in covering the mineral soil. A large part of the water absorbed by vegetation is taken from the soil, enters the transpiration current, and is returned to the air.
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To avoid temperature, rise by more than 1.5 degrees C above pre-industrial levels, we need to increase forest cover by 10 million square km. by 2050.
- Direct impact on human life. – A full-grown tree produces about 100 kgs of oxygen per year. A human being uses about 550 liters of pure oxygen (19 cubic feet) per day. One kg of oxygen is 26.62 cubic feet. So, you can calculate how many trees are required for a single person to generate that amount of oxygen. Forests serve as genetic reserves.
Only 20% of the world’s original forest remained in large intact tracts of undisturbed forests. Out of which 75% lie in three countries Russia, Canada, and Brazil.
Trees are a crucial part of the carbon cycle in which carbon dioxide constantly circulates through the atmosphere into organisms and back again through photosynthesis and other processes. Trees are the biggest banks of carbon. In the absence of trees, the percentage of carbon dioxide will increase, lowering the percentage of oxygen in the atmosphere. Trees absorb other pollutants like Carbon monoxide, Sulphur dioxide, nitrogen dioxide which are the by-products of industrial and vehicle movement activities.
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Plants and trees differ from animals and humans only in their lack of visible movement. They react so certainly and promptly to the external world, which is not possible without the faculty of communication. Plants and trees are constantly observing and recording events and phenomena of which man knows nothing since he is trapped in the ANTHROPOCENTRIC view of the world.
TREES are real friends, relatives, and well-wishers.
Tags: #environment, #forests, #gngagritech, #greengetgrowing, #greenstories, #lifeline, #planet, #plant, #savethe tree, #soil, #trees
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