What is the speed of deforestation?
How can deforestation affect tropical rainforests?
What are deforestation processes?
Deforestation processes refer to the loss or destruction of naturally occurring forests, primarily due to human activities such as:
1. Logging and cutting trees for fuel, see also the impact of burning wood.
2. Slash and burn agriculture.
3. Clearing land for livestock grazing.
4. Mining operations and oil extraction.
5. Dam building, and urban sprawling or other
types of development and population expansion.
6. Therefore deforestation is a growing global
problem with far-reaching environmental and economic consequences, including
some that may not be fully understood until it is too late to prevent them.
Logging activities:
1. Logging is the activity of cutting down
trees to sell the wood, but much of it is illegal, and the loss accounts for
more than thirty tow million acres of planet's natural forests every year according
to the Nature Conservancy.
2. Not all deforestation is intentional; some
deforestation may be driven by a combination of natural processes and human
interests.
3. Wildfires burn large sections of forest
every year, and although fire is a natural part of the forest lifecycle, but subsequent
overgrazing by livestock or wildlife after a fire can prevent the growth of
young trees.
Deforestation speed:
1. Forests still cover about thirty percent of
the Earth's surface, but each year about thirteen million hectares of forests
are converted to agricultural land or cleared for other purposes.
2. According to United Nations Food and
Agriculture Organization reports that approximately 7.3 million hectares of
forests are permanently lost every year.
3. Reforestation programs as well as landscape
restoration and the natural expansion of forests have somewhat slowed the net
deforestation rate.
Tropical rainforests:
1. In some places like Indonesia, the Congo,
and the Amazon Basin, these rainforests are particularly vulnerable and at
risk.
2. At the current rate of deforestation
tropical rainforests could be wiped out as functioning ecosystems in less than
one hundred years.
3. West Africa has lost about ninety percent of
its coastal rainforests, while deforestation in South Asia has been nearly as
bad.
4. Two-thirds of the lowland tropical forests
in Central America have been converted to pasture since nineteen fifty, and
also forty percent of all rainforests have been lost.
5. Madagascar has lost ninety percent of its
eastern rainforests, and more than ninety percent of the Atlantic Forest has
been disappeared in Brazil.
6. Many countries have declared deforestation a
national emergency.
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