Effect of deforestation pdf

Between 1980 and 2000, the amount of deforested area was. Understanding the regional or global impacts of deforestation on climate, and ultimately on agriculture. Typically, deforestation is clearing a lot of trees without the intention of establishing future growth. Unesco eolss sample chapters land use, land cover and soil sciences vol. Effect of deforestation on access to clean drinking water pnas.

Deforestation createsnewrisks foragriculture tropicalforestsmovemore waterthananyother ecosystemonland,turning soilwaterintomoisturein theair,coolingthe3 atmosphereabovethem. The causes attributed to deforestation are multivariate in nature, interrelated and differ at local, national as well as regional scale. Agricultural technologies and tropical deforestation edited by a. Agricultural technologies and tropical deforestation. Causes and effects of desertification on people and the environment sara popescu slavikova soil degradation april 29, 2019 the word desertification may seem like a word depicting a very distant and abstract environmental problem that most of. Deforestation in north korea has environmentally negative impacts similar to the cases of expansion of areas subject to desertification or. Deforestation is a contributor to global warming, and is often cited as one of the major causes of the enhanced greenhouse effect. World affairs council panel on water politics and implications for security in the middle east with charles a. For india, the increase in plantations was greater than the loss of natural forests, thus giving a positive net change in total forest area. Each year, millions of acres of forest around the world are destroyed or degraded by fire. Increasing human population day by day is increasing the need for land on the earth for agricultural, industrial, residential, commercial, cities and other purposes which involves permanent forest removal. The causes, effects and alternatives to deforestation in the rural. One of the most dangerous and unsettling effects of deforestation is the loss of animal and plant species due to their loss of habitat. Deforestation causes of carbon dioxide in the atmosphere.

Deforestation and forest degradation have real and tangible impacts on the lives of these vulnerable communities. 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. Tropical deforestation and climate change edited by paulo moutinho and stephan schwartzman. Deforestation is the permanent removal of trees to make room for something besides forest. For the tropics as a whole, however, the annual rate of forest loss natural forests and plantations combined was negative about 0. The cause and effect of deforestation in the amazon. The soil only stays nutrient rich for so long, about two years11, after this time, the nutrients from the burned biomass are used up. Deforestation is an important factor in global climate change. 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 causes, effects and solutions conserve. Japan and its impact on southeast asia deforestation. Sep 11, 2016 introduction to deforestation, forestation, afforestation and reforestation. This, however, has a damning effect on our environment. It adversely affects everything in some form or other, including the ecosystem, human beings, and the animals that live in the forests that are being ravaged.

Deforestation has had a severe impact on all life on the earth. The forest lands are converted in to farms, ranches and urban areas through deforestation. Deforestation affects the people and animals where trees are cut, as well as the wider world. Results support modernization theory, indicating that the level of urbanization has a curvilinear effect on the rate of deforestation, that economic growth contributes to deforestation, and that. Since carbon dioxide is a greenhouse gas, deforestation is a direct contributor to the greenhouse effect and consequently global warming. A forest stand is a close community of trees sufficient in size, composition and location to distinguish it from other nearby communities. Deforestation is a concern for developing countries because it shrinks tropical forest areas, causing a loss of biodiversity, and enhancing the greenhouse effect 15.

Causes, effects and control strategies find, read and cite all the research you. It has a serious negative effect on climate change in as far as rainfall is reduced and the amount of sunlight reflected from earths surface alters. Our earth the so called home for trillions of species existing has now turned to a place where animals have to struggle to death to find a place, is may include many reasons one of them is deforestation because about 8% of species which dwell on land merely depend on forests. On a global scale, however, deforestation can result in the extinction of several desirable species. Impact of deforestation on agroenvironmental variables in. 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. Some 250 million people living in forest and savannah areas depend on them for subsistence and income. Deforestation defined broadly can include not only conversion to nonforest, but also. Deforestation and its effect on the planet national geographic. As a result of massive global urbanization and agricultural development, deforestation is a major factor contributing to climate change.

Pdf impact of deforestation on climate change iosr. Tropical forests are home to half the earths species, and their trees are an immense standing reservoir of carbon. Effect of deforestation on access to clean drinking water. Soil erosion destruction soils and the nutrients in them are exposed to the suns heat. Deforestation definition, causes, effects, and control. This, in turn, leads to greater concentrations of carbon dioxide in the atmosphere. Yet the effects of deforestation reach much farther. List of books and articles about deforestation online.

The loss of forests has a profound effect on the global carbon cycle. Deforestation essay 5 300 words deforestation is the finishing of the forests by the human beings. The effects of deforestation on animals healthy living. Historical causes of deforestation while we are just now realizing the harmful effects that deforestation is having, the destruction of the forests has been going on since the dawn of man. The changes in area of forest by region and subregion are shown in table 1. The effects of deforestation range from standard environmental like changes in the atmosphere and biodiversity, to economical impacts. Tropical deforestation is responsible for approximately 20% of world greenhouse gas emissions. Gas molecules that absorb thermal infrared radiation are called greenhouse gases. Thus, creating a cyclical, beneficial effect from the development of water related infrastructure. Most of the clearing is done for agricultural purposesgrazing cattle, planting crops. There are several effects of deforestation on earths climate and nature. Deforestation implies the longterm 10 years or permanent loss of forest cover.

Deforestation means large scale cutting of forests. Nov 24, 2017 positives and negatives of deforestation. Deforestation poses a grave threat to this biodiversity. 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. We know the causes of the deforestation, but what are the effects it will have on the world. In this study, instead of focusing on water yield, we directly examine the effect of deforestation on households access to clean drinking water in malawi while controlling various other factors. Fires are a natural and beneficial element of many forest landscapes, but they are problematic when they occur in the wrong place, at the wrong frequency or at the wrong severity. Apart from being responsible for allowing gaseous carbon dioxide to linger in the atmosphere, deforestation also contributes towards increased carbon dioxide emissions. Using the probability of deforestation derived from the model, we predicted future deforestation under two different scenarios, namely, businessasusual as the reference scenario and reducing. Other questions raised include primary source of energy for cooking, nature of the impact of deforestation, method of grazing, impact of tree felling, change in the density of trees, effects of deforestation on socioeconomic development of akwanga local government area etc. The attendant effects of deforestation natural forest and resources manifest in environmental problems such as soil erosion, windstorm, erratic rainfall, flooding, siltation of water bodies, water shortages, landslide, desertification, declining soil fertility, habitat loss and threats to extinction of economic trees and other flora and fauna udo and udo, 1999.

Penny encyclopedia of life support systems eolss the situation in africa is particularly acute, but even the densely populated asian and pacific regions contain roughly 1. Atmospheric for global warming deforestation is the major contributor. Causes, effects and control strategies 5 deforestation are maintained. Introduction to deforestation, forestation, afforestation and.

The drivers of tropical deforestation can be summed up as complex socioeconomic processes that are impossible to isolate a single cause. Positives and negatives of deforestation essay and speech. When we think about trees, the first thing that comes to our mind is that trees are lungs of our planet. Deforestation can also be seen as removal of forests leading to several imbalances ecologically and environmentally. The effects of deforestation patterns, private naturereserve extents and agricultural fallow periods on forest conservation were simulated for settlement projects. Environmental effects of deforestation from above loss of habitat. Pdf on apr 25, 2012, sumit chakravarty and others published deforestation. Nigerias wildlife is rapidly declining due to habitat loss, increased pressure from hunters, poachers and bush burning, says vision 2010 report. Deforestation can also occur to produce the wood and organic materials needed for a variety of industries. Abstract the rate at which zambia and other east and central african countries are losing their forests is very worrying to governments, chiefs and citizens. As habitats increase in cities, there is a need to create more space the for homes, organizations, and factories.

Individuals for ecological deforestation to end, paper consumption must be drastically reduced. Deforestation will have increasingly serious consequences for biodiversity, humans, and climate. Peter harries university of south florida department of geology committee member. 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. North america reached a peak between 1800 and 1850, which corresponds to the colonisation of the continent. Students guide to the environmental impact of deforestation. From 1850 to 1990, deforestation worldwide including the united states released 122 billion deforestation deforestation regrowth undisturbed forest forest fragments figure 1. Urban sprawl is one of the most difficult deforestation related issues to solve. The combined effect of grazing and fires can be a major cause of deforestation in dry areas. Clean development mechanism, climate change, deforestation, emission testing, green house. On a local scale, the clearing of forest land can cause a decline in the population of certain species.

The increasing rate of deforestation is an issue all over the world. This occurs when trees are removed from a landscape, leading to increased food insecurity. Essay on the meaning of deforestation essay on the history of deforestation in india essay on the causes for deforestation essay on the effects of deforestation essay. In the existing literature on forest science and hydrology, the consensus is that deforestation increases water yield. Penny encyclopedia of life support systems eolss population growth and increasing per capita demands for forest products and therefore forest exploitation, and the conversion of forested land for the purpose. Harvesting, forest fires, and insect infestations do not count as deforestation because the affected areas will eventually grow back. 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. Why deforestation happens deforestation occurs in many ways. Effects of tropical deforestation on climate and agriculture deborah lawrence and karen vandecar tower, groundbased and satellite observations indicate that tropical deforestation results in warmer, drier conditions at the local scale. The south american rainforest, for example, influences regional and perhaps even global water cycles, and its key to the water supply in. Effects of deforestation pattern and private nature reserves. Students guide to the environmental impact of deforestation imagine hiking through a forest. Introduction deforestation is one of the consequences of human growth increase in population and human development. Pdf effects of deforestation on land degradation researchgate.

Deforestation is the permanent destruction of forests in order to utilize the land or trees. Deforestation is ongoing and is shaping climate and geography. Deforestation is the clearing of forests to obtain lumber and provide space for either agricultural zones or urban development. Deforestation is the process of cutting down trees and clearing land. That is a non disputable fact, but trees are so much more.

Basically, many of the function s of tropical forests are not marketed and as such are ignored in decision making. What makes deforestation alarming is the immediate and long term effects it is bound to inflict if continued at the current pace. For example, 52 per cent of all land used for food production is moderately or severely impacted by the erosion of healthy soil. Deforestation is the process of clearing trees and forest for other uses. A critical study of the literature about deforestation in. Today, you learn the reasons why and the effects it will have on the planet. As the concentration of carbon dioxide increases, a layer forms in the atmosphere that traps sun radiation. Below are some of the effects we must address, otherwise the world loses its natural balance. While the secondary data source involved the search into published and unpublished materials relevant to the subject matter. Angelsen center for international forestry research cifor,bogor, indonesia and department of economics and social sciences agricultural university of norway as, norway and d. Deforestationcauses increasesintemperatures andchanges3in3theamount3 anddistributionofrainfall generallycreatingadrier climate. It consists of a complex of social, political, economic. Deforestation in the amazon rainforest is changing the worlds climate. Deforestation results in a number of environmental impacts.

July 18, 2012 november 2, 2016 by kamran 4 comments. In many countries, people clear land to use it for other purposes, such as agriculture, pasture land, and urban development. It is important for students to understand the importance of trees and the harmful effects of deforestation. Dec 04, 2017 the effects of deforestation range from standard environmental like changes in the atmosphere and biodiversity, to economical impacts. When deforestation occurs, many of the trees are burnt or they are allowed to rot, which results in releasing the carbon that is stored in them as carbon dioxide. Another cause behind deforestation is the cutting of trees for timber and fuel. Opting for paperless bills, checks and payments significantly contributes towards mending the harmful effects of deforestation cattle grazing is one of the primary causes of deforestation. Since deforestation dries out the soil, the risk of forest fires also increases. Kaimowitz center for international forestry research cifor, san jose, costa rica cabi publishing in. These are just a few of the causes and effects of deforestation.

This can include clearing the land for agriculture or grazing, or using the timber for fuel, construction. See the effects of deforestation in photos from the new york times. Impact of deforestation on climate change iosr journal. Effects of tropical deforestation on climate and agriculture.