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The impact of deforestation
The impact of deforestation
The consequences of short and long term deforestation
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Deforestation in the Amazon Rainforest has been a huge environmental challenge in Latin America since 1991. Deforestation refers to the loss, or destruction, of naturally occurring forests, primarily due to human activities; logging, cutting trees for fuel, slash-and-burn agriculture, clearing land for livestock grazing, mining operations, oil extraction, dam building, and urban sprawl. In the pre-Columbian era, parts of the Amazon were densely populated, open agricultural landscapes. After the European invasion in the 16th century, the hunt for gold, western diseases, slavery and later and the rubber boom, caused the depopulation of the Amazon, and the forest grew larger. Before the 1970s, access to the forest's interior was highly restricted, and aside from partial clearing along rivers the forest remained intact. Following the opening of highways that ran deep into the forest, such as the Trans-Amazonian highway in 1972, deforestation accelerated greatly. Further, in other parts of the …show more content…
With deforestation, the genetic variations (like crop resistance) that scientists would like to preserve are greatly threatened. Regulations need to be put in place on specific medicinal plants as they may potentially save millions of lives if left unscathed. In addition, although the wood found in forests is used to supply people with timber, wood fuel, and wood pulp, the long-term financial impact far outweighs the short-term gain (Ayre 2014) . The use of forests for the creation of wood products or the conversion of forests into fields and crops has actually gone on to cause financial woes. Both West Africa and Southeast Asia have suffered lower revenue due to a decrease in timber harvests (Mallen 2013) . And adding to that point, illegal logging comes with a price each year that can cost national economies billions of dollars to compensate for the
Deforestation is the clearing of a forest and/or cutting down of trees for human benefits such as agriculture, wood exports, etc. Deforestation is the cause of numerous environmental impacts such as habitat loss, flooding and soil erosion. It can also cause climate change, by reducing the amount of rainfall and changing the amount of sunlight reflected from Earth’s surface and increases the risk of forest . Tree growth is important for biodiversity because they absorb carbon dioxide which is a harmful greenhouse gas . However, since deforestation reduces natural carbon sinks, it disrupts the balance between oxygen and carbon dioxide in the air causing the amount of carbon dioxide in the air to increase. This poses a serious threat since carbon dioxide traps the sun’s heat and radiated light inside the earth’s atmosphere. So, with the increase in carbon dioxide more heat is trapped and thus adding to the effects of global warming. Among the many places where deforestation takes place, Amazon seems to be one of the most affected ones. More than 20 percent of it is already gone, and much more of it is severely threatened due to deforestation . It is estimated that the Amazon alone is vanishing at a rate of 20,000 square miles a year .
The introduction of cattle ranching industries in the 1960s set the forefront for current Brazilian rainforest deforestation figures. During this time, development subsidy programs encouraged Brazilians to clear rainforest for pastureland and invest in new cattle ranches (Pancheco). Over the last 40 years, Brazil has destroyed 700,00 square kilometers of rainforest, an area about the size of Texas (BBC) (Enchanted Lear...
We have known that deforestation can lead to decline in biodiversity and land degradation. As John Donne has said, “No man is an island, entire of itself; every man is a piece of the continent, a part of the main”, not only governments are supposed to be responsible for deforestation, individuals should also take responsibilities. There are some things that we can do to help better the situation. For instance, we can refuse to use throwaway chopsticks and purchase wooden furniture, reduce the usage of papers by printing less, and educate others to cherish the forest resources.
Project Amazonia: Threats - Deforestation. MIT. N.p., n.d. Web. The Web. The Web. 31 Mar. 2011.
Therefore, a large amount of trees were cut down and led to forest destruction. People have done these kinds of activities for many years and these deforestation activities have brought about a lot of permanent and long term issues. Although the society has started to consider the problem of deforestation, it is not easy to solve the issues completely. Land desertification can be a huge area and it almost cannot be controlled. In addition, it is not only threatening the people and animals in the Amazon, the world is also threatened by deforestation.
“In the time you can read this sentence, eight acres of tropical rain forest will have been bulldozed and burned out of existence” (Bloyd 49). However, this destruction has been neglected and overlooked for years. Many people do not understand the long-term consequences of losing the earth’s rain forests. The rain forests have provided people with many natural resources and medicines. The benefits that rain forests provide to people will be destroyed if the depletion continues to be disregarded.
The Amazon Rain Forest crosses several national boundaries in South America, although the majority of it is located in Brazil. It covers over 3,562,000 acres, making it the largest in the world. But globally, over 138,600 acres of rain forest are lost each year to deforestation, 50,000 of those in Brazil alone (Holdsforth), and the world's rain forests are quickly disappearing. Deforestation in the Amazon occurs primarily for three reasons: clear-cutting, fragmentation, and edge effects.
Nowadays deforestation is the one of the most important and controversial environmental issues in the world. Deforestation is cutting down, clearing away or burning trees or forests. Particularly tropical rainforests are the most waning type of forests because of its location in developing countries such as Indonesia, the Philippines, India, central African countries and Brazil. Deforestation rate in those regions is high enough to worry about, because of large economic potential of forest areas. As the result of causes such as agriculture land expansion, logging for timber, fire blazing and settling infrastructure there might be serious impacts in future. For instance, extinction of endemic species of animals and plants which will be feral, increase of greenhouse gas emissions which may lead to global warming and consecutive catastrophes, destruction of home for indigenous residents which is considered as violation of human rights. Some people can argue with these drawbacks telling that deforestation have more valuable benefits such as growth of economics, production of food and providing better opportunities for life for poor families. However, these benefits are quite temporary and government of that countries and world organisations tries to halt deforestation proposing several solutions. Deforestation problem is especially acute in the Brazilian Amazon, where its rate is much high comparing with other regions. This paper will describe world-wide rainforests, causes and effects of deforestation, and evaluate possible solutions of deforestation in the Brazilian Amazon.
* Establish an "early warning" monitoring system to minimize negative environmental and social impacts while increasing governmental capacity for effective oversight of forest extractive activities.
In South America lies the largest and most wondrous rainforest in the world, the Amazon Rainforest. This 1.4 billion acre forest represents over half of the planet's remaining rainforests, and comprises the largest and most bio-diverse tract of rainforest in the world. Ten percent of all known species on the planet are found in this rain forest, most of which have yet to be discovered. For the past century, the Amazon has been gradually decreasing in size due to agricultural expansion, ranching, infrastructure projects, energy exploration and illegal logging. In its current state, the Amazon is losing land equal to the size of the state of Delaware every year.
The biggest drivers of deforestation in the Congo rainforest over the past 20 years have been small-scale subsistence agriculture, clearing for charcoal and fuelwood, urban expansion, and mining. Industrial logging has been the biggest driver of forest degradation. However it's important not to understate the impact of logging in the region. Logging roads have opened up vast areas of the Congo to commercial
Though deforestation has increased at an alarming rate throughout the past fifty years, deforestation has been performed during the course of history. According to the World Resources Institute, a majority of the world’s enduring naturally occurring forests are found in Alaska, Canada, Russia and the Northwestern Amazon. Research has demonstrated forests are more likely to be destroyed and repurposed where economic revenues tied to agriculture and pasture are prominent, typically attributed to advantageous weather conditions, or lower expenses of demolishing the forest and delivering merchandises to the global
Forests are vital for life and have many important functions. They are home to millions of species and protect soil from erosion. Along with this they produce oxygen which is vital for human life, store carbon dioxide and help control climate. They also provide humans with shelter, food and medicines vital for life.
People have been deforesting the Earth for thousands of years, primarily to clear land for crops or livestock. Although tropical forests are largely confined to developing countries, they aren’t just meeting local or national needs; economic globalization means that the needs and wants of the global population are bearing down on them as well. Direct causes of deforestation are agricultural expansion, wood extraction (e.g., logging or wood harvest for domestic fuel or charcoal), and infrastructure expansion such as road building and urbanization. Rarely is there a single direct cause for deforestation. Most often, multiple processes work simultaneously or sequentially to cause deforestation.
Deforestation is the amputation of trees from forest areas more swiftly than they can be replanted or regenerate naturally. The fact that trees play an incredibly momentous part in stabilising climate, atmospheric composition and soil structure, removing trees rapidly becomes a major problem. There are numerous reasons behind the felling of trees by mankind. The Amazon basin is a prime example of humans exploiting rainforests. Within this tropical rainforest lie a vast variety of tree species, with many uses, giving humans even more reason to exploit this area.