Pdf deforestation, production intensity and land use. Cause and effects of deforestation linkedin slideshare. The estimated annual rates of deforestation chart is derived from orr, d. Essay about the impact of deforestation 668 words bartleby. Governments and large lumber companies see large profits in the mass deforestation of forests and state that their actions are having few, if any, harmful effects.
Population growth is a major hindrance to attainment of sustainable development. Deforestation refers to wanton cutting down of trees in forested areas. In fact, tropical rainforests are believed to be the most diverse ecosystems on the planet. Deforestation is has a result of the interaction of environmental, social, cultural and political forces in a given region. Truly shocking facts about deforestation you simply cant. It has also impacted on humans on the account of changes in environmental support processes such as weather conditions.
The most concentrated deforestation occurs in tropical rainforests. The soil only stays nutrient rich for so long, about two years11, after this time, the nutrients from the burned biomass are used up. Effects of deforestation increased greenhouse gas emissions. Most deforestation in south america occurs in brazil. Deforestation therefore favours a population explosion of this species. Over the longer term, deforestation of tropical rainforests can have a broader impact, affecting global climate and biodiversity. There are several effects of deforestation on earths climate and nature. Impact of deforestation with everything that is happening, the earth is threatened. The first step in turning the wilderness into a shopping center is deforestation. Deforestation refers to the loss or destruction of naturally occurring forests, primarily due to human activities such as logging, cutting trees for fuel, slashandburn agriculture, clearing land for livestock grazing, mining operations, oil extraction, dam building, and urban sprawl or other types of development and population expansion. Second, inflation raises the relative price of domestically produced products and reduces the countrys international competitiveness.
Deforestation poses a grave threat to this biodiversity. Tropical deforestation contributes as much as 90% of the current net release of biotic carbon dioxide into the atmosphere. Looking at the importance of forests and trees in the previous pages, you can deduce the massive effects of deforestation and treecutting activities. Causes, effects and control strategies 5 deforestation are maintained. Select multiple pdf files and merge them in seconds. Further effects of deforestation include soil erosion and coastal flooding. Opinion deforestation and drought the new york times. These changes are more challenging to observe and forecast from local effects, since they take place over a longer time scale and can be difficult to measure. On education, environment, and the human prospect, washington, d. Feasibility study on options to step up eu action against deforestation.
Our forest cover plays an important role in generating a natural habitat for wildlife as well as improving and regulating the amount of precipitation within an area. And the new york declaration on forests pdf, which emerged from the uns climate summit in 2014, and includes nonbinding commitments to half the rate of deforestation by 2020 and end it. Causes, effects and control strategies sumit chakravarty 1, s. Deforestation inhibits water recycling and converts inland forest to dry land and potential waste land. 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. The goals of both afforestation and reforestation are the same. Severe flooding is a result of deforestation because removal of the forest leaves little.
Dec 27, 2010 deforestation inhibits water recycling and converts inland forest to dry land and potential waste land. Forests help filter pollutants from the air, and also transform carbon dioxide into oxygen, which we need to live. Download fulltext pdf download fulltext pdf deforestation. According to study around seventy percent of the worlds animals and plants live in forests and due to deforestation they are quickly losing their habitats and loss of their habitats can even lead to their extinction as well. Causes, effects and control strategies chapter pdf available april 2012 with 81,727 reads. Largescale deforestation is thus believed to be a major contributor to the extreme drought in brazil.
Deforestation definition, causes, effects, and control. Reforestation process and importance of reforestation. Deforestation and its environmental impact deforestation is the action of clearing a wide area of trees. The changes in area of forest by region and subregion are shown in table 1. Deforestation is consequently an important potential source of carbon. Orange sectors are drivers of deforestation, red sectors are key drivers per country. The greenhouse effect is when the harmful ultraviolet rays of the sun are trapped inside the atmosphere because of the excessive amount of carbon di oxide in the air. Deforestation is the permanent removal of trees to make room for something besides forest. Deforestation facts and information national geographic. Soil erosion destruction soils and the nutrients in them are exposed to the suns heat. Deforestation is clearing forests on a massive scale. Due to the rapid rate of deforestation in central america, habitat loss is their main threat.
Concern about deforestation deforestation has long been the imputed cause of ecological degradation in europe, the. On a local scale, the clearing of forest land can cause a decline in the population of certain species. Deforestation, clearance, clearcutting or clearing is the removal of a forest or stand of trees from land which is then converted to a nonforest use. Deforestation causes of carbon dioxide in the atmosphere. Apart from these, deforestation also affects biodiversity and the natural processes in the ecosystem. Deforestation also disrupts the water cycle, which is the circulation of water between the earth and the atmosphere. Truly shocking facts about deforestation you simply cant ignore. Humans have gradually lost the forests that are very essential for our existence. Impact of deforestation and pollution articles web. When this happens, farmers pack up and move on to the next section of the rainforest, leaving their farmland behind for. The causes of deforestation in developing countries article pdf available in annals of the association of american geographers 752.
Trees help to mitigate carbon dioxide and other greenhouse gas emissions, but they become carbon sources once theyre cut, burned, or otherwise removed. Battling deforestation in the amazon the wider image reuters. Devastating effects of deforestation earth eclipse. One and onehalf acres of rainforest are lost every second with tragic. Mean precipitation remains unchanged, partly owing to the opposing signals of local and regional impacts and because global averaging minimizes these climatic responses5,911. The causes of deforestation in developing countries. Trees are highly effective in absorbing water quantities, keeping the amount of water in watersheds to a manageable level. What is the effect of deforestation on wild animals. Sep 29, 2017 and the new york declaration on forests pdf, which emerged from the uns climate summit in 2014, and includes nonbinding commitments to half the rate of deforestation by 2020 and end it by 2030. As the concentration of carbon dioxide increases, a layer forms in the atmosphere that traps sun radiation. Basic concepts of deforestation, degradation, and fragmentation 2. This can include clearing the land for agriculture or grazing, or using the timber for fuel, construction. The effect of deforestation on the climate and environment. Deforestation in the amazon by rhett a butler rainforests once covered 14% of the earths land surface.
There are many causes of tropical deforestationcommercial logging, large scale agriculture. Deforestation can result to watersheds that are no longer able to sustain and regulate water flows from rivers and streams. Deforestation affects the people and animals where trees are cut, as well as the wider world. Effects of tropical deforestation on climate and agriculture. Twenty percent of the worlds rainforest has been destroyed because of deforestation. The three main causes of deforestation in the world are. Indeed some 31 countries do not even make the list because they have already removed most of their forests and even if that remain are seriously fragmented and degraded. Where pas overlap, the areas are merged for total area estimation.
Understanding deforestationa growing global problem. Pdf the causes of deforestation in developing countries. Deforestation may have destructive or constructive consequences depending upon ecological conditions, extent of economic development, and many other factors allen 1983. Some 250 million people living in forest and savannah areas depend on them for subsistence and income. Economic drivers of deforestation chain reaction research. Aug 23, 2017 rising deforestation in previously protected places like apui is reflected in government data. For this reason, the fpp wishes to include deforestation as a topic in their educational and research programs. If deforestation is the destruction of the forest, reforestation is the construction of forest. Figure 1 above shows the diverse economic drivers of deforestation in six key tropical countries. According to fao, deforestation is the conversion of. Atmospheric for global warming deforestation is the major contributor. Scientists have long known that vegetation has a profound effect on weather. Deforestation can involve conversion of forest land to farms, ranches, or urban use. Deforestation and connectivity among protected areas of.
Without them, the soil erodes and washes away, causing farmers to move on and perpetuate the cycle. May 14, 2012 impact of deforestation and pollution one of the major problems which these two cause is the greenhouse effect. The act of deforestation has impacted on the world in terms of depreciating the natural environment and wildlife. I can tell you by personal observation living in new jersey. One of the most worrying factors today is the massive destruction of the rainforest of the world is affecting the biodiversity adversely, as well as being one of the major contributory factors to the ongoing holocene mass extinction. Nevertheless, deforestation has been a widespread phenomenon in tropical africa, with an annual forest clearance of between 1. Tree roots pull water out of the ground and release it as water vapor into the air. State of the worlds forests 1997 sofo published by the united nations food and agriculture organization fao. Reducing emissions from deforestation and forest degradation in.
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