For agricultural purposes, man has altered the texture and fertility of large tracts of fertile land and made the land unfit for cultivation and finally converted them into desert areas. The Thar Desert, for example, is entirely a man-made desert. At one time it was so thick with forest that Emperor Akbar went hunting there.
Soil is a renewable resource only if it is protected from erosion and if suitable amount of organic matter is added to it from time to time. Barren soil cannot renew itself as it remains exposed to natural forces which cause erosion. Forests are one of the most useful renewable resources. They are our national wealth. They provide the best habitat for various kinds of wild animals.
Forests are a must for the survival of animals. They purify air, control pollution to some extent, regulate the climate, control floods, prevent soil erosion and maintain soil fertility. We also get numerous useful products like wood, rubber, gum, resin, honey, bee wax, medicinal plants, bamboo, lac, timber etc. One of the most important uses of forest is that it helps in maintaining the ecological-balance of a place. Deforestation, over-grazing, forest fires, and several pests and diseases have destroyed our forests.
Forests are renewable resource only if man takes care to replant the trees which he cuts down. Deforestation and indiscriminate hunting has led to a depletion of wildlife. Wildlife includes all plants and animals that are not domesticated, but in strict sense, they are the undomesticated animals specially mammals, reptiles, birds and fishes which are generally hunted.
Wildlife is very important. Killing of one species may cause considerable disturbance in the food-chain and food-web and thus may upset other species. In the long term, these changes may also affect man. Snakes, for example, are feared by most and are therefore killed indiscriminately. All snakes are, however, not poisonous. They play a key role in the balance of nature by acting as predators of rats and mice. Killing a large number of snakes leads to an increase in the population of rats and mice.
Rats, in turn, damage crops and eat-up stored grain. Ultimately, this affects man. Due to over-exploitation of forests, many plants and animals have become extinct. The Cheetah, the Sikkim stag, the Mountain quail, the Pink headed duck etc. Some species of cranes, bustards, partridges, pigeons, doves, hornbills, Kashmir stag, swamp-deer etc. Wildlife is renewable only if indiscriminate hunting and deforestation is prevented. Hence, it is clear from the above that most of the renewable resources are exhaustible and care needs to be taken about their utilization.
Non-renewable resources are those which are not replaced in the environment after their utilization. Metals, coal, natural gas, minerals etc. Man has to be very careful in using these resources so that he may obtain the maximum benefit from them. This is because these resources are limited in quantity and are not renewable.
The demand for natural resources is increasing as the human population is increasing at a tremendous rate. More and more cities and towns are coming up for providing shelter and other basic necessities for the ever increasing population. This has resulted in the depletion of some resources. Several new industries are being established in rural as well as urban areas to generate employment and to produce consumer articles for daily use.
This has resulted in over-exploitation of our natural resources. Deforestation means large scale cutting down of forests. The depletion of forests has also reduced the other renewable resources like soil, water and wildlife.
Unscientific mining and quarrying for the extraction of minerals and ores have also depleted resources. Repeated growing of the same crop year-after-year and excessive use of fertilizers and pesticides reduces soil productivity and makes the soil sick.
Pollution of environment, rivers, ponds, dams and oceans by insecticides and waste products of the industries have depleted wildlife.
Some bacteria, fungi, viruses, insects, pests and diseases cause great damage to the forests and other field crops. Carrying away of top soil, which is rich with nutrients, by water or wind is called soil erosion.
This causes damage to soil as well as plants. Natural forces such as landslides, earthquakes, floods, ice and snow also cause damage to plants, animals, soil, water etc. Improper disposal or treatment of sewage and town refuse also disturbs the ecological-balance in nature. If we wish to make steady progress, we should conserve natural resources so that they last longer for human welfare.
It is, therefore, necessary that natural resources are used judiciously. Conservation is defined as the judicious and wise use of natural resources without wasting them and replacing them whenever possible. Thus, these resources can be utilized without causing any ecological- imbalance. We should use only what is necessary. Only a few trees should be cut down at one time and whenever possible trees should be planted afforestation.
Plants like bamboos and other suitable species should be planted. These plants help as soil binders by not allowing top soil to run down with the flow of water. The roots of these plants hold the soil firmly together. Trees planted in rows act as wind-breakers. They break the force and speed of a strong wind and prevent it from carrying away the fertile top soil and help to prevent wind erosion. Cultivation of crops should be a regular feature. This results in the depletion of essential elements of a particular type in the soil.
Different crop should be sown in different seasons. The practice of crop-rotation should be followed. It means that in the nearest future the humanity is going to run out of its main resources of energy. That is why it so much important to stop overusing them and come up with new resources of energy. Scientists are already working on this problem. For instance, windmills are used to produce electricity without exploitation of disappearing oil fuels.
It turns kinetic energy of the wind into mechanic energy that spins the rotors the mill and generates energy. Though, this system has a couple of disadvantages. First of all, it needs great areas of land or water. Secondly, lightning strikes can lead to severe fires. Modern windmills now have protecting systems against lightning. Plus, huge windmill creating air flows can injure birds. There other alternative resources of energy such as: Biofuel is also an alternative source of energy made of the food and industrial remains.
There is a very simple way to reduce the consumption on fossil fuels —riding a bicycle. Summing up, nature has so much to offer but we have to treat her gifts with the great respect and use it wisely.
It is necessary to develop new ways of preserving natural resources not only for our generation but for coming ones too. Our future depends on our today actions.
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The exploitation of nature and natural resources can be dated back to the advent of humankind and the very start of civilization. Earlier people used to cut trees for fuel, for building materials for boats and for shelter.
(A) Renewable Natural Resources: Renewable resources are those which are regenerated through natural-cycles. For example, oxygen in the air is regenerated through photosynthesis by the plants and fresh water is renewed through the water- cycle. Therefore, air and water are renewable resources.
Essay on natural resources Natural resources are resources that occurred without any human involvement. Natural resources include sunlight, water, ground, with all flora and fauna, and atmosphere. The progress of human depends upon the exploitation of different natural resources. The utilization of soil, water, coal, electricity, oil, gas and nuclear energy is very important for the development of nation. Any matter which is required or used to sustain life or livehood is termed as a resource. Related Articles: 3 important non-renewable or [ ].
words essay on Natural Resources. Nature has provided bountiful resources surrounding us for sustenance of a better life. Thus, any part of our natural environment such as land, water, air, minerals, forest, grassland, wildlife, fish or even human population that man. Oct 23, · Importance of Natural Resources essay Natural resources were historically an important condition of the successful development of countries. The disparity in the access to natural resources predetermined, to a significant extent, the socioeconomic disparity in the development of Northern countries and Southern ones.4/5(60).