As the concentration of carbon dioxide increases, a layer forms in the atmosphere that traps sun radiation. Deforestation facts and information national geographic. With fewer trees left, due to deforestation, there is less water in the air to be returned to the soil. These concepts will be introduced through class discussion and independent research. Mean precipitation remains unchanged, partly owing to the opposing signals of local and regional impacts and because global averaging minimizes these climatic responses5,911. Causes of deforestation in pakistan is open for the scholarship allows level programms in the field of taught at the deadline of the scholarhip is. They include loss of habitat for animals and people, soil erosion, drier air and a warmer planet. Deforestation and sustainable development social watch. Probably, the most serious result of deforestation is global warming because of the greenhouse effect.
Devastating effects of deforestation earth eclipse. Study on the evolution of some deforestation drivers and their. Environmental pollution consists of five basic types of. The effects of deforestation on the environment are numerous. Environmental pollution is one of the greatest problems that the world is facing today causing grave and irreparable damage to the earth, damaged atmosphere and depleted ozone layer leading to global warming. What are the environmental effects of deforestation. Although humans have practiced deforestation since ages, it was in the mid1800s that forests began to be destroyed at an unprecedented rate. The effect of deforestation on the climate and environment.
Deforestation affects the people and animals where trees are cut, as well as the wider world. Even the forests left standing are vulnerable to damage thanks to the changed environment that often results from deforestation. United nations conference on environment and development. Combined, these four issues affect not only wild plants and animals but human beings as well.
Deforestation puts every aspect of the environment at risk. According to fao, deforestation is the conversion of. Essay about the impact of deforestation 668 words bartleby. Deforestation and degradation of forests create ecological problems in every part of the. Climatechange science will continue to help society make. Environmental problems caused by deforestation of tropical. It is well known that deforestation is a big problem in the world today, with hundreds and even thousands of vulnerable forest being cut down both for tinder and to make way for arable farmland for cows and other livestock. Deforestation can cause many societal and environmental problems which can make our lives on earth even more challenging. 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. Twenty percent of the worlds rainforest has been destroyed because of deforestation. Deforestation definition, causes, effects, and control.
Population growth is a major hindrance to attainment of sustainable development. Pdf environmental impacts of climate change adaptation. The effects of deforestation are significant, not just for the countries that lose trees, but for the global community as a whole. Deforestation, which is the loss of wild forest habitats due to human activity, has grown into a global problem as demand for wood climbs. The issue of deforestation in the brazilian amazon can be seen to be more than just a debate between developmentalists and conservationists or a debate between the advocates of unregulated freemarket decisionmaking and advocates of governmental regulation. Deforestation is the clearing, destroying, or otherwise removal of trees through deliberate, natural or accidental. However, these impacts are yet poorly defined and analysed in the existing. Basic concepts of deforestation, degradation, and fragmentation 2. Essay on pollution and its effects in english for children. The economic and ecological effects of deforestation on the. If deforestation eliminates these natural ecosystems, many species will likely face extinction. Negative effects of deforestation environmental news network.
Unfortunately, the problem of deforestation in nigeria is on the increase. Deforestation is the act of cutting down trees and clearing forests in order to benefit people. A critical study of the literature about deforestation in the. Since carbon dioxide is a greenhouse gas, deforestation is a direct contributor to the greenhouse effect and consequently global warming. Clean development mechanism, climate change, deforestation, emission testing, green house. It is hard to think that there was a time when 90% of the earth was covered by trees, but this was once the case. Causes, effects and control strategies chapter pdf available april 2012 with 82,042 reads.
There are several effects of deforestation on earths climate and nature. One of the most immediate effects is the loss of habitat of many species of animals. Deforestation and its environmental impact deforestation is the action of clearing a wide area of trees. The three main causes of deforestation in the world are. The increase of deforestation causes to the accumulation of those greenhouse gases in the air such as methane, carbon dioxide, chlorofluorocarbon and nitrous oxide. For years remorseless destruction of forests has been going on and we have not been. For this reason, the fpp wishes to include deforestation as a topic in their educational and research programs.
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. What would come to mind apart from harming the environment is aggravating the problem in global warming, natural resources being depleted and lastly the extinction of flora and fauna. Essay on pollution and its effects on environment essay 3 400 words introduction. Population pressures, profits, and internal social and political forces can also all push up the rate of forest loss. The soil left after deforestation is often of poor quality, and it lacks the nutrients necessary for agriculture. The components of pollution can be either naturally occurring components or foreign substances.
Shrinking forests can cause widereaching problems, including soil erosion, water cycle disruption, greenhouse gas emissions and biodiversity losses. This can include clearing the land for agriculture or grazing, or using the timber for fuel, construction. Due to the rapid rate of deforestation in central america, habitat loss is their main threat. As the world warms, the rate of evaporation from our oceans seems to. There is a clear linkages between deforestation and worlds demands of fiber, food, and fuel understanding the underlying or indirect causes of deforestation is crucial to address redd and climate change most deforestation is driven from outside forestry sector e. Nearly 70 percent of the worlds species of flora and fauna live in temperate and tropical rainforests around the world. It has also impacted on humans on the account of changes in environmental support processes such as weather conditions. Download fulltext pdf download fulltext pdf deforestation. Atmospheric for global warming deforestation is the major contributor. A forest stand is a close community of trees sufficient in size, composition and location to distinguish it from other nearby communities. Generally the removal or destruction of significant areas of forest cover has resulted in a degraded environment with reduced biodiversity.
Deforestation causes of carbon dioxide in the atmosphere. The effects of deforestation have led to a decline in forest cover, forest degradation, impoverishment. Forests serve as a carbon sink by absorbing atmospheric carbon dioxide during photosynthesis. Deforestation is the permanent destruction of forests in order to utilize the land or trees. We thank tory stevens parks and protected areas branch, bc ministry of environment, dianna colnett policy and planning department, greater vancouver. For a complete list of modules available in the global change instruc. Impact of deforestation on climate change iosr journal. Pollution is the presence of contaminants in natural environment that adversely affect all living things.
Pakistan is not selfsufficient in wood based products and spends billions of rupees on import of wood and wood based products. The economic and environmental costs are staggering. While runoff and sediment organic carbon loss are estimated based on the gleams. Some 250 million people living in forest and savannah areas depend on them for subsistence and income. Groundwater loading effects of agricultural management. Humandriven and natural loss of treesdeforestationaffects wildlife, ecosystems, weather patterns, and even the climate. Trees are vitally important to the environment, animals, and of course for us.
What are the environmental impacts of deforestation. Deforestation is the permanent removal of trees to make room for something besides forest. 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. Lesson 2 deforestation research assignment introduction. These other uses can include settlements, industrialization or agriculture. Nov 12, 2012 the usual connotation when we hear about deforestation is that it is something that can bring harm to mother nature. The forests also provide important environmental services for the. In addition to its local effects, burning organic materials on a large scale, like what is done with. The fast pace of tropical deforestation occurring in southeast. Lesson 2 deforestation research assignment introduction lesson overview this lesson will introduce students to the concept of deforestation, its effects on the environment, and how countries are working to save their forests. Nevertheless, deforestation has been a widespread phenomenon in tropical africa, with an annual forest clearance of between 1. Nov 12, 2012 flooding as well as soil erosion are two of the effects caused by deforestation. Effects of deforestation pattern and private nature reserves. The removal, however, occurs for a variety of different reasons and has a variety of devastating consequences.
Deforestation is the process of removing forest areas and using the land for other uses. The most dramatic impact is a loss of habitat for millions of species. Effects of tropical deforestation on climate and agriculture. Deforestation has many causes, including farming and logging. Deforestation can have a negative impact on the environment. The various dangers brought by deforestation the effects of. 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. Deforestation is clearing forests on a massive scale. The national climate assessment summarizes the impacts of climate change on the united states, now and in the future.
In short, water evaporates into the atmosphere from both land and sea and returns to earths surface in the form of rain and snow. Climate change affects weather, in large part, by intensifying the water cycle. Deforestation and climate change climate institute. Forests still cover about 30% of earths land, but humans have been cutting them down at an increasingly alarming rate. Dec 27, 2010 deforestation not only affects the climate by increasing the atmospheric level of carbon dioxide but also affects the environment by inhibiting water recycling, triggering severe flooding, aquifer. The effects of deforestation on our environment studymoose. Deforestation is an important factor in global climate change.
The act of deforestation has impacted on the world in terms of depreciating the natural environment and wildlife. Forests cover about 30 percent of the planets land mass, but humans. It started with the simple cutting of trees, but was soon followed with the use of fire to clear the land. The effects of deforestation patterns, private naturereserve extents and agricultural fallow periods on forest conservation. In the last 30 years, over 500,000 square miles of forests have been lost. The united states environmental protection agency defines deforestation as the permanent removal of standing forests. Typically, deforestation is clearing a lot of trees without the intention of establishing future growth. While the secondary data source involved the search into published and unpublished materials relevant to the subject matter. Impact of deforestation on agroenvironmental variables in. Harvesting, forest fires, and insect infestations do not count as deforestation because the affected areas will eventually grow back. Deforestationcauses, effects, and solutions futurism. Regardless of the motive for clearing forests, the consequences of cutting down large parcels of trees has the same environmental impact.
Eighty percent of earths land animals and plants live in forests, and many cannot survive the deforestation that. Nigeria has the highest and worst deforestation rate. 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. It began early in the age of humans, who did it for varying reasons. Effects of deforestation the subject of deforestation and the effects that it has on the environment have been heavily debated for a long time. The changes in area of forest by region and subregion are shown in table 1. Pdf effects of deforestation on land degradation researchgate. Climate change adaptation reduces adverse effects of climate change but may also have undesirable environmental impacts. Deforestation threatens the sustainability of the environment globally but seems to have more detrimental effects in nigeria. Deforestation has so many negative consequences on the environment.
In addition to its local effects, burning organic materials on a large scale, like what is. In turn, this causes dryer soil and the inability to grow crops, an ironic twist when considered against the fact that 80% of deforestation comes from smallscale agriculture and cattle ranching. Causes, effects and control strategies 5 deforestation are maintained. Thus, deforestation can alter the earths biodiversity making a lot or rare species even more extinct. To put that rate of deforestation into perspective, nature says that research indicates people currently cut down about 15 billion trees a year. The issue of deforestation in the brazilian amazon illustrates that individuals and. Deforestation is has a result of the interaction of environmental, social, cultural and political forces in a given region.
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