Short essay deforestation is the clearing the forest lands in a massive level which in a slow pace reduces the quality of earth. In many countries, people clear land to use it for other purposes, such as agriculture, pasture land, and urban development. Soil moisture is dried up, nutrients evaporate and. Deforestation is almost completely caused by human activity.
The effects and linkages of deforestation and temperature on climate change in nigeria. The main causes of deforestation are summarized below. The issue of deforestation in the brazilian amazon illustrates that individuals and. Deforestation can be defined as the largescale removal of trees from forests or other lands for the facilitation of human activities. The causes and effects of deforestation in tropical rainforests tropical rainforests are the most alive places on earth. The changes in area of forest by region and subregion are shown in table 1. Forests cover about 30 percent of the planets land mass, but humans. Study on the evolution of some deforestation drivers and their. In the past 50 years deforestation has increased a significant amount, but people around the world have been removing the. Develop a greater understanding of the impact of deforestation globally, in madagascar and in northern ireland. We should put a full stop to deforestation as soon as possible. Climate change without trees, wet forest soils turn into dry land.
Population growth and the associated expansion of agricultural lands is the primary cause of present day deforestation 4, 5. As earlier mentioned in the overview, agricultural activities are one of the major factors affecting deforestation. Download fulltext pdf download fulltext pdf deforestation. There are two key issues that surround deforestation. The effects and linkages of deforestation and temperature. Due to overgrowing demand for food products, huge amount of tress are fell down to grow crops and for cattle gazing. The effects of deforestation are playing an important part in the battle against global warming. The effects of deforestation patterns, private naturereserve extents and agricultural fallow periods on forest. Looking at the importance of forests and trees in the previous pages, you can deduce the massive effects of deforestation and treecutting activities.
Deforestation is the intentional clearance of forests by logging andor burning popularly known as slash and burn. Afforestation and disasters cause an uneven ageclass distribution over a forest landscape. The effect of deforestation on the climate and environment. Environmental effects like global warming, floods and droughts, soil erosion, loss of biodiversity, and climate change are caused due to deforestation. Deforestation implies the longterm 10 years or permanent loss of forest cover. Humandriven and natural loss of treesdeforestationaffects wildlife, ecosystems, weather patterns, and even the climate. Pdf there are some key drivers that favor deforestation and forest. Lesson 2 deforestation research assignment introduction. To examine some causes and consequences of tropical deforestation. Without them, the speed and intensity of global warming is increased. Logging is the major cause of global deforestation. Deforestation can lead to adverse effects life global warming and extinction of rare animals. Deforestation of the amazon rainforest is one of the main concerns on the battle over saving the rainforests, but it is also happening all round the world, as the land is not economically viable. Deforestation is ongoing and is shaping climate and geography deforestation is a contributor to global warming, and is often cited as one of the major causes of the enhanced greenhouse effect.
This radiation gets converted to heat and causes global warming. Causes and effects of deforestation deforestation soil. 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. Pakistan is not selfsufficient in wood based products and spends billions of rupees on import of wood and wood based products. Trees absorb co2, helping to reduce the amount of carbon in the atmosphere. Deforestation generally increases rates of soil loss, by increasing the amount of runoff and reducing the protection of the soil from tree litter.
Without trees to anchor fertile soil, erosion can occur and sweep the land into rivers. In our search for model solutions to the deforestation problem we first summarise the causes of deforestation, special attention being paid to the situation in. In some areas up to 70% of rainforests have been destroyed. The combined effect of grazing and fires can be a major cause of deforestation in dry areas.
Soil erosion destruction soils and the nutrients in them are exposed to the suns heat. This paper is aimed at assessing the effect of deforestation to temperature and invariably on climate change. Causes, effects and control strategies 5 deforestation are maintained. The agricultural plants that often replace the trees cannot hold onto the soil. Deforestation is has a result of the interaction of environmental, social, cultural and political forces in a given region. Due to the rapid rate of deforestation in central america, habitat loss is their main threat.
Deforestation caused by unsustainable or illegal logging according to the united nations framework convention on climate change unfccc secretariat, logging is responsible for around 14% of deforestation activity. Pdf on apr 25, 2012, sumit chakravarty and others published deforestation. Tropical deforestation is responsible for approximately 20% of world greenhouse gas emissions. It is a serious environmental concern since it can result in the loss of biodiversity, damage to natural habitats, disturbances in the water cycle, and soil erosion. Effects of deforestation what effects are we having on. Pdf effects of deforestation on land degradation researchgate. Central africa would likely cause declines in rainfall in the gulf of mexico and parts of the us midwest and. Deforestation can be defined as the change of forest with depletion of tree crown cover more than 90%. Cause and effect of deforestation in sumatra forests. Deforestation can also occur to produce the wood and organic materials needed for a variety of industries. Many are concerned about the possible impacts of losing boreal.
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. Concluding remarks 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. Deforestation definition, causes, effects, and control. The three main causes of deforestation in the world are. As the concentration of carbon dioxide increases, a layer forms in the atmosphere that traps sun radiation. A few effects of deforestation are soil erosion, disruption of the water cycle, and possible even global warming when forest areas are cleared, it results in exposing the soil to the sun. Severe flooding is a result of deforestation because removal of the forest leaves little. Causes and effects of deforestation trees are one of the most important aspects of the planet we live in.
Deforestation involves the cutting down, burning, and damaging of forests. However, depletion of forest tree crown cover less than 90% is considered forest degradation. Impact of deforestation on agroenvironmental variables in. Deforestation and climate change climate institute. October 2015 cause and effect of deforestation deforestation is a problem that does not concern many people, but it is an issue that the people of earth need to deal with. Forests help filter pollutants from the air, and also transform carbon dioxide into. For this reason, the fpp wishes to include deforestation as a topic in their educational and research programs.
Deforestation is the process of cutting down trees and clearing land. Causes, effects and control strategies find, read and cite all the research you need on researchgate. Logging is also a common cause of deforestation as trees are cut down to use. These croplands and pastures presently cover about 10%, 45% and 27% of the areas originally occupied by boreal, temperate, and tropical forests respectively 14. The phenomenon has become a contentious issue due to the noticeable decrease in forest areas. The cutting down of forest or deforestation can affect us and have serious effects on our environment as well. Causes, effects and control strategies sumit chakravarty 1, s. Deforestation is the clearing of trees without the intent of replacing them or reestablishing a stand of trees. Trees are vitally important to the environment, animals, and of course for us humans. Deforestation causes, effects and solutions conserve. While the secondary data source involved the search into published and unpublished materials relevant to.
Amazon rainforest past 15 years while present figures are much better than before, deforestation continues to threaten the worlds ecosystem the razing of forests continues to be a major contributor to the emissions that drive climate change 17. Probably, the most serious result of deforestation is global warming because of the greenhouse effect. They are important for the climate of the earth, they act as filters of carbon dioxide, they are habitats and shelters to millions of species, and they. The first part of the chapter gives an overview of the extent of the problem of deforestation. This also can cause infertility in the land due to overgrazing which will prevent the growth of new forests. Even taking into account natural disasters such as hurricanes or wild fires, humans are accountable for almost all deforestation on the planet, which amounts to a whopping 1. Effects of tropical deforestation on climate and agriculture. North america reached a peak between 1800 and 1850, which corresponds to the colonisation of the continent. 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. Pakistans forest resources are shrinking at a rate of one percent which will have dreadful effects on the people of pakistan. 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.
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 other issue is that trees are often cleared and burned. Nevertheless, deforestation has been a widespread phenomenon in tropical africa, with an annual forest clearance of between 1. Deforestation defined broadly can include not only conversion to nonforest, but also.
Deforestation, the permanent destruction of forests in order to make the land available for other uses, is considered to be a contributing factor to global climate change. Deforestation has a lot of consequences on the environment. National laws supposedly regulate the production and trade of timber products at all stages, from harvesting to processing to sales. Learn reasons for deforestation and discover the consequences of this process in all. Covering less than 12% of the lands surface, the rainforests are home to more than half of all living species lewis, 4. Help us write another book on this subject and reach those readers.
Agricultural lands occupy approximately 38% of the earths land surface. Today the term is mainly associated with tropical forests. Know what are the greenhouse gases deforestation also influences trees to release carbon stores. Deforestation implies the longterm 10 years or permanent loss of. Causes, effects and control strategies chapter pdf available april 2012 with 81,866 reads. The causes and effects of deforestation in tropical. Flooding as well as soil erosion are two of the effects caused by deforestation. In the rainforests, particularly, deforestation can cause an incredible loss of biodiversity, because there are many species in rainforests which only inhabit a small area of land. Causes, effects and control strategies, global perspectives on sustainable forest management, okia clement akais, intechopen, doi. Deforestation inhibits water recycling and converts inland forest to dry land and potential waste land.
Deforestation causes and effects your home teacher. Ojekunle olusheyi zaccheaus abstract deforestation has a negative impact on the immediate environment and on the global scale, climate change. Cause and effects of deforestation linkedin slideshare. Although humans have practiced deforestation since ages, it was in the mid1800s that forests began to be destroyed at an unprecedented rate. Cattle ranching has a massive impact on forests around the world, particularly. Effects of deforestation pattern and private nature reserves.
Deforestation causes of carbon dioxide in the atmosphere. The increase of deforestation causes to the accumulation of those greenhouse gases in the air such as methane, carbon dioxide, chlorofluorocarbon and nitrous oxide. Essay on deforestation causes, effects, and solutions. A critical study of the literature about deforestation in.
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