what are the causes and consequences of deforestation
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Causes
There are many causes of deforestation. The WWF& reports that half of the trees illegally removed from forests are used as fuel.
Some other common reasons are:
To make more land available for housing and urbanization
To harvest timber to create commercial items such as paper, furniture and homes
To create ingredients that are highly prized consumer items, such as the oil from palm trees
To create room for cattle ranching
Common methods of deforestation are burning trees and clear cutting. These tactics leave the land completely barren and are controversial practices.
Clear cutting is when large swaths of land are cut down all at once. A forestry expert quoted by the Natural Resources Defense Council describes clear cutting as "an ecological trauma that has no precedent in nature except for a major volcanic eruption."
Burning can be done quickly, in vast swaths of land, or more slowly with the slash-and-burn technique. Slash and burn agriculture entails cutting down a patch of trees, burning them and growing crops on the land. The ash from the burned trees provides some nourishment for the plants and the land is weed-free from the burning. When the soil becomes less nourishing and weeds begin to reappear over years of use, the farmers move on to a new patch of land and begin the process again.
Reforestation would facilitate:
Restoring the ecosystem services provided by forests including carbon storage, water cycling and wildlife habitat
Reducing the buildup of carbon dioxide in the atmosphere
Rebuilding wildlife habitats
Reforestation won't completely fix the damage, though. For example, Daley points out that forests cannot sequester all of the carbon dioxide humans are emitting to the atmosphere through the burning of fossil fuels and a reduction in fossil fuel emissions. It is still necessary to avoid buildup in the atmosphere. Reforestation will not help with extinction due to deforestation, either. "Unfortunately, we have already diminished the population of many species to such an extreme that they might not recover, even with a massive reforestation effort," Daley told Live Science.
In addition to reforestation, some other tactics are being taken to counteract or slow deforestation. Some of them include shifting the human population to a plant-based diet. This would lower the need for land to be cleared for raising livestock.
There are many causes of deforestation. The WWF& reports that half of the trees illegally removed from forests are used as fuel.
Some other common reasons are:
To make more land available for housing and urbanization
To harvest timber to create commercial items such as paper, furniture and homes
To create ingredients that are highly prized consumer items, such as the oil from palm trees
To create room for cattle ranching
Common methods of deforestation are burning trees and clear cutting. These tactics leave the land completely barren and are controversial practices.
Clear cutting is when large swaths of land are cut down all at once. A forestry expert quoted by the Natural Resources Defense Council describes clear cutting as "an ecological trauma that has no precedent in nature except for a major volcanic eruption."
Burning can be done quickly, in vast swaths of land, or more slowly with the slash-and-burn technique. Slash and burn agriculture entails cutting down a patch of trees, burning them and growing crops on the land. The ash from the burned trees provides some nourishment for the plants and the land is weed-free from the burning. When the soil becomes less nourishing and weeds begin to reappear over years of use, the farmers move on to a new patch of land and begin the process again.
Reforestation would facilitate:
Restoring the ecosystem services provided by forests including carbon storage, water cycling and wildlife habitat
Reducing the buildup of carbon dioxide in the atmosphere
Rebuilding wildlife habitats
Reforestation won't completely fix the damage, though. For example, Daley points out that forests cannot sequester all of the carbon dioxide humans are emitting to the atmosphere through the burning of fossil fuels and a reduction in fossil fuel emissions. It is still necessary to avoid buildup in the atmosphere. Reforestation will not help with extinction due to deforestation, either. "Unfortunately, we have already diminished the population of many species to such an extreme that they might not recover, even with a massive reforestation effort," Daley told Live Science.
In addition to reforestation, some other tactics are being taken to counteract or slow deforestation. Some of them include shifting the human population to a plant-based diet. This would lower the need for land to be cleared for raising livestock.
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