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give reason-the rainforests are depleting.

Rainforest are depleting because of the over population.

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Rainforests are depleting because of the human greed.

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The developmental activities like gaining more land for agriculture , house i.e because of over population are leading to gradual destruction of biologically diverse rainforests.

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because of development activities like industrialisation .

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There was a time when the green belt of rainforests covered about 12−14% of Earth’s land surface. Large-scale developmental activities have led to the clearing of large tracts of land in the rainforests (for example, clearing of land for agriculture, cattle pasture, wood, mining and road building). Today, the rainforests cover only about 2−6% of the Earth’s land surface. Due to constant deforestation, the top soil—which is held together by the trees—gets washed away as the rains fall. As a result, the once lush green forests change into barren landscapes.

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Rainwater harvesting is the accumulating and storing of rainwater for reuse before it reaches the aquifer. It has been used to provide drinking water, water for livestock, water for irrigation, as well as other typical uses. Rainwater collected from the roofs of houses and local institutions can make an important contribution to the availability of drinking water. It can supplement the subsoil water level and increase urban greenery. Water collected from the ground, sometimes from areas that are especially prepared for this purpose, is called Stormwater harvesting. In some cases, rainwater may be the only available, or economical, water source. Rainwater harvesting systems can be simple to construct from inexpensive local materials, and are potentially successful in most habitable locations. Roof rainwater may not be potable and may require treatment before consumption. As rainwater rushes from your roof it may carry pollutants, such as mercury from coal burning buildings, or bird faeces. Although some rooftop materials may produce rainwater that would be harmful to human health as drinking water, it can be useful in flushing toilets, washing clothes, watering the garden, and washing cars; these uses alone halve the amount of water used by a typical home. Household rainfall catchment systems are appropriate in areas with an average rainfall greater than 200 mm (7.9 in) per year, and no other accessible water sources (Skinner and Cotton, 1992). Overflow from rainwater harvesting tank systems can be used to refill aquifers in a process called groundwater recharge; though this is a related process, it must not be confused with rainwater harvesting.

There are several types of systems to harvest rainwater, ranging from very simple home systems to complex industrial systems. The rate at which water can be collected from either system is dependent on the plan area of the system, its efficiency, and the intensity of rainfall (i.e., annual precipitation (mm per annum) x square meter of catchment area = litres per annum yield) ... a 200 square meter roof catchment catching 1,000mm PA yields 200 kLPA.

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The Rain forests are depleting because of following reasons : 1) The developmental activities are leading to the gradual destruction of biologically diverse rainforests 2) A large areas of the rainforests as been disappering annually 3) The topsoil is washed away as rainfall and lush forest turn into barren land scape

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ns: (i) It is true that rain forests are depleting. The various reasons for their depletion are – Developmental activities have started in a big way, resulting in the cutting of rain- forests for various purposes. Indigenous populations of rain-forests have been driven out who practiced conservation activities of forests and wild life. Industries are being set up after clearing the forests. Lumbering activities have also caused depletion of forests. Top soil is washed away during rains and lush green forests turn into barren lands.
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The various reasons for their depleting are:

(i)Developmental activities have started in a big way, resulting in the cutting of rainforests for various purposes.

(ii)Indigenous populations of rainforests have been driven out who practised conservation activities of forests and wild life.

(iii)Lumbering activities have also caused depleting of forests.

(iv)Industries are being set up after clearing the forests.

(v)Top soil is washed away during rains and lush green forests turn into barren lands.

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Oh
 
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the answer was very helpful
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1. The indegenious population was pushed out for the developmental activities. 2. The deforestation was done a very large scale for constructing roads, houses, buildings.etc.
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Every year an area of rainforest the size of New Jersey is cut down and destroyed. The plants and animals that used to live in these forests either die or must find a new forest to call their home. Why are rainforests being destroyed? Humans are the main cause of rainforest destruction. We are cutting down rainforests for many reasons, including: wood for both timber and making fires; agriculture for both small and large farms; land for poor farmers who don’t have anywhere else to live; grazing land for cattle; pulp for making paper; road construction; and extraction of minerals and energy. Rainforests are also threatened by climate change **, which is contributing to droughts in parts of the Amazon and Southeast Asia. Drought causes die-offs of trees and dries out leaf litter, increasing the risk of forest fires, which are often set by land developers, ranchers, plantation owners, and loggers. In 2005 and 2010 the Amazon experienced the worst droughts ever recorded. Rivers dried up, isolating communities, and millions of acres burned. The smoke caused widespread health problems, interfered with transportation, and blocked the formation of rain clouds, while the burning contributed huge amounts of carbon dioxide to the atmosphere, worsening the effects of climate change. Meanwhile, Indonesia has experienced several severe droughts in recent decades. The worst occurred in 1982-1983 and 1997-1998 when millions of acres of forest burned.
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Reasons:-
1. Due to over population and need of wood.
2. For land and agricultural settlements.
HOPE THIS HELPS!!
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Due to the developmental activities deforestation is done and so the top soil is eroded also because of the rainfall the top layer is flooded away.
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Because of the developmental activities that are going on at a fast speed. The biologically diverse rainforests are being destroyed day by day. It is estimated that large number of rainforests have been disappearing in amazon basin. As a result the top soil is washed away and the lush green forest change into barren landscape
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The rainforests are depleting because of: 1.Large scale development and industrial activities. 2.Clearing of land for farming and mining. 3.The use of trees in industrial processes. 4.The need for wood for industrial process. Due to deforestation ,the topsoil gets further washed away.As a result,there is no scope for the growth of trees.Hence rainforests are depleting.
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Forests are being cut down for woods, roads being made to reach the interiors and farming is coming up in areas where forests have been cleared . Industry is also developing along with mining, oil exploration and logging activities. At a pace the de forestation is taking place nearly 50 per cent of Amazon forests would be cleared by 2025.
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here it is 
Answer: Due to developmental activities, the forests are being destroyed. This is the reason fordepletion of rainforests. Paddy is grown in the Ganga-Brahmaputra plains. e.g. Because rice requires sufficient amount of water to grow.
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Due to developmental activities, the forests are being destroyed.
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Due to deforestation
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Rainwater harvesting is the accumulating and storing of rainwater for reuse before it reaches the aquifer. It has been used to provide drinking water, water for livestock, water for irrigation, as well as other typical uses. Rainwater collected from the roofs of houses and local institutions can make an important contribution to the availability of drinking water. It can supplement the subsoil water level and increase urban greenery. Water collected from the ground, sometimes from areas that are especially prepared for this purpose, is called Stormwater harvesting. In some cases, rainwater may be the only available, or economical, water source. Rainwater harvesting systems can be simple to construct from inexpensive local materials, and are potentially successful in most habitable locations. Roof rainwater may not be potable and may require treatment before consumption. As rainwater rushes from your roof it may carry pollutants, such as mercury from coal burning buildings, or bird faeces. Although some rooftop materials may produce rainwater that would be harmful to human health as drinking water, it can be useful in flushing toilets, washing clothes, watering the garden, and washing cars; these uses alone halve the amount of water used by a typical home. Household rainfall catchment systems are appropriate in areas with an average rainfall greater than 200 mm (7.9 in) per year, and no other accessible water sources (Skinner and Cotton, 1992). Overflow from rainwater harvesting tank systems can be used to refill aquifers in a process called groundwater recharge; though this is a related process, it must not be confused with rainwater harvesting.

There are several types of systems to harvest rainwater, ranging from very simple home systems to complex industrial systems. The rate at which water can be collected from either system is dependent on the plan area of the system, its efficiency, and the intensity of rainfall (i.e., annual precipitation (mm per annum) x square meter of catchment area = litres per annum yield) ... a 200 square meter roof catchment catching 1,000mm PA yields 200 kLPA.

Rainwater harvesting is the accumulating and storing of rainwater for reuse before it reaches the aquifer. It has been used to provide drinking water, water for livestock, water for irrigation, as well as other typical uses. Rainwater collected from the roofs of houses and local institutions can make an important contribution to the availability of drinking water. It can supplement the subsoil water level and increase urban greenery. Water collected from the ground, sometimes from areas that are especially prepared for this purpose, is called Stormwater harvesting. In some cases, rainwater may be the only available, or economical, water source. Rainwater harvesting systems can be simple to construct from inexpensive local materials, and are potentially successful in most habitable locations. Roof rainwater may not be potable and may require treatment before consumption. As rainwater rushes from your roof it may carry pollutants, such as mercury from coal burning buildings, or bird faeces. Although some rooftop materials may produce rainwater that would be harmful to human health as drinking water, it can be useful in flushing toilets, washing clothes, watering the garden, and washing cars; these uses alone halve the amount of water used by a typical home. Household rainfall catchment systems are appropriate in areas with an average rainfall greater than 200 mm (7.9 in) per year, and no other accessible water sources (Skinner and Cotton, 1992). Overflow from rainwater harvesting tank systems can be used to refill aquifers in a process called groundwater recharge; though this is a related process, it must not be confused with rainwater harvesting.

There are several types of systems to harvest rainwater, ranging from very simple home systems to complex industrial systems. The rate at which water can be collected from either system is dependent on the plan area of the system, its efficiency, and the intensity of rainfall (i.e., annual precipitation (mm per annum) x square meter of catchment area = litres per annum yield) ... a 200 square meter roof catchment catching 1,000mm PA yields 200 kLPA.

Rainwater harvesting is the accumulating and storing of rainwater for reuse before it reaches the aquifer. It has been used to provide drinking water, water for livestock, water for irrigation, as well as other typical uses. Rainwater collected from the roofs of houses and local institutions can make an important contribution to the availability of drinking water. It can supplement the subsoil water level and increase urban greenery. Water collected from the ground, sometimes from areas that are especially prepared for this purpose, is called Stormwater harvesting. In some cases, rainwater may be the only available, or economical, water source. Rainwater harvesting systems can be simple to construct from inexpensive local materials, and are potentially successful in most habitable locations. Roof rainwater may not be potable and may require treatment before consumption. As rainwater rushes from your roof it may carry pollutants, such as mercury from coal burning buildings, or bird faeces. Although some rooftop materials may produce rainwater that would be harmful to human health asm yield) ... a 200 square meter roof catchment catching 1,000mm PA yields 200 kLPA.

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