UNIT 5 Environmental studies BCA 1st year First semester 2023
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UNIT 5 Environmental studies
ACID RAIN
- Acid rain is made up of highly acidic water drops.
- Acid rain as the name suggest can be said as the acid in the form of rain in the simplest meaner.
- Acid rain is very harmful to agriculture, plant and animal
- It damages the buildings and monuments made up of stones and metals.
- Example- Taj mahal statue of liberty
- Acid rain, also called acid precipitation or acid deposition, precipitation possessing a pH of about 5.2 or below primarily produced from the emission of sulfur dioxide (SO2) and nitrogen oxides (NOx; the combination of NO and NO2) from human activities, mostly the combustion of fossil fuels. In acid-sensitive landscapes, acid deposition can reduce the pH of surface waters and lower biodiversity.
Asian brown cloud
- Asian brown cloud is also known as Indian ocean Brown cloud
- It is a layer of air pollution that covers parts of south Asia .
- The cloud was reported by NASA in 2004 and 2007.
- Asian brown cloud, a large atmospheric brown cloud that occurs annually from about November through May over eastern China and southern Asia. The Asian brown cloud is caused by large amounts of aerosols (such as soot and dust) produced in the combustion of fossil fuels and biomass across the region.
Wild life
- A group of local and native animals is referred to as wild life.
- Wildlife provides between products such as food.
- It balances nature elements wild life includes all undomesticated living plant and animals.
- Wildlife refers to undomesticated animal species, but has come to include all organisms that grow or live wild in an area without being introduced by humans. Wildlife was also synonymous to game: those birds and mammals that were hunted for sport. Wildlife can be found in all ecosystems.
Basic needs of wildlife
- All animals have three basic needs food, water and shelter.
- Animals need protection.
- Natural resources such as leaves, fruits, seeds, nuts and insects are necessary for keeping wildlife
Rain water Harvesting
- All living things including Plants animals and human beings needs, water to live and carry our different activities
- Water is precious
- Rain water harvesting is the simple process used to conserve rain water by collecting.
- Rain water harvesting is collection and storage of rain water that runs off from roof tops, parks, roads, open grounds, etc. This water run off can be either stored or recharged into the ground water.
Advantages of Rain water harvesting
- Less cost Helps in reduces soil erosion
- Improves the quality of ground water
- Promotes both water and energy conservation
- The water can be used for daily use.
Tiger project
- Project tiger is a program set up by the government of India in1973 for the sole purpose of tigers
- Project tiger was launched by the Indira Gandhi form the Jim Corbett National Park in Uttara khand
- Currently India has the largest tiger population in the world.
- It is the home for nearly 3000 tigers.
- The Govt. of India had launched “Project Tiger” on 1st April 1973 to promote conservation of the tiger. Project Tiger has been the largest species conservation initiative of its kind in the world. While the field implementation of the project, protection and management in the designated reserves is done by the project States, who also provide the matching grant to recurring items of expenditure, deploy field staff/officers, and give their salaries, the Project Tiger Directorate of the Ministry of Environment and Forests was mandated with the task of providing technical guidance and funding support.
- The implementation of Project Tiger over the years has highlighted the need for a statutory authority with legal backing to ensure tiger conservation. On the basis of the recommendations of National Board for Wild Life chaired by the Hon’ble Prime Minister, a Task Force was set up to look into the problems of tiger conservation in the country. The recommendations of the said Task Force, interalia include strengthening of Project Tiger by giving it statutory and administrative powers, apart from creating the Wildlife Crime Control Bureau. It has also recommended that an annual report should be submitted to the Central Government for laying in Parliament, so that commitment to Project Tiger is reviewed from time to time, in addition to addressing the concerns of local people. Broadly the urgent recommendations of the said Task Force are as below
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