Harmful effects of deforestation pdf files

The road will go from the frontier river village of mazan, through the amazon jungle, to the city of iquitos. There are many factors that contribute to deforestation, each with its own causes and negative environmental impacts. An introduction to global warming for students in grades 68. The subject of deforestation and the effects that it has on the environment have been heavily debated for a long time. The combined effect of grazing and fires can be a major cause of deforestation in dry areas. Atmospheric for global warming deforestation is the major contributor. One of the most immediate effects is the loss of habitat of many species of animals.

A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. In addition to their previously mentioned roles, trees also function to retain water and topsoil, which provides the rich nutrients to sustain additional forest life. Deforestation causes, effects and impacts aims and objectives 1. Pdf on apr 25, 2012, sumit chakravarty and others published deforestation. One and onehalf acres of rainforest are lost every second with tragic. 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. The expansion of the agricultural frontier by small farmers is the greatest cause of deforestation in the developing tropics southgate 1990, fao 2005. Agents, causes, and consequences of deforestation, degradation, and. This, in turn, leads to greater concentrations of carbon dioxide in the atmosphere. Pdf the effects of deforestation on wildlife along the. Deforestation can also occur to produce the wood and organic materials needed for a variety of industries.

According to fao, deforestation is the conversion of. A free powerpoint ppt presentation displayed as a flash slide show on id. The consequences of deforestation are mainly negative. After deforestation, the land can now be used for ranches, farms or also for urban purposes. Impacts of improved stove dissemination on charcoal consumption in urban senegal abstract with 2. Deforestation also plays a major role in global warming and its also responsible to the contribution of up to 20 percent of the total greenhouse gases emitted. Some of these efforts center on reducing co 2 emissions from deforestation, since. The purpose of this fact sheet is to provide climate change researchers and decisionmakers a summary of the potential impacts of climate change on harmful algal blooms in. The causes, effects and alternatives to deforestation in the rural. Harmful effects of deforestation free download as word doc. Deforestation alters not only nearby ecosystems communities of interacting organisms and their environments but also the atmosphere on a global level, with devastating results. Deforestation can result from deliberate removal of forest cover for agriculture or urban development, or it can be an unintentional consequence of uncontrolled grazing which can prevent the natural regeneration of young trees. Deforestation of tropical rainforests is often illegal boekhout van solinge 2008a, and much of it could and should be considered criminal.

Deforestation impacts spread of infectious diseases in. Peter harries university of south florida department of geology committee member. As the concentration of carbon dioxide increases, a layer forms in the atmosphere that traps sun radiation. A critical study of the literature about deforestation in the. For india, the increase in plantations was greater than the loss of natural forests, thus giving a positive net change in total forest area. Harmful effects from chemicals, agricultural, industrial, and residential waste cause 80% of the ocean pollution from land. The south american rainforest, for example, influences regional and perhaps even global water cycles, and its key to the water supply in. Deforestation figures show nigeria has the worst rate in the world of 55. Deforestation means large scale cutting of forests. As a result of massive global urbanization and agricultural development, deforestation is a major factor contributing to climate change. If they can unravel the health effects of building roads through the jungle, they say, it could help them find ways to prevent some of the problems. Deforestation leads to loss of cultural diversity, loss of biodiversity.

For example, deforestation can cause a loss in biodiversity and can also indirectly contribute to the global warming problem. 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 on the. There are several effects of deforestation on earths climate and nature. Further effects of deforestation include soil erosion and coastal flooding. Deforestation is the process of cutting down trees and clearing land. Deforestation in the amazon by rhett a butler rainforests once covered 14% of the earths land surface. Impact of deforestation on climate change iosr journal. Another cause behind deforestation is the cutting of trees for timber and fuel. Pakistans forest resources are shrinking at a rate of one percent which will have dreadful effects on the people of pakistan. These are just a few of the causes and effects of deforestation. Most of the clearing is done for agricultural purposesgrazing cattle, planting crops. 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. Deforestation causes of carbon dioxide in the atmosphere.

Harmful effects of deforestation deforestation habitat destruction. There are several harmful effects of deforestation on the environmental system. The most concentrated deforestation occurs in tropical rainforests. In many countries, people clear land to use it for other purposes, such as agriculture, pasture land, and urban development. Forest loss in panama can therefore be considered significant, and substantial investigation of the causes, effects and alternatives to deforestation is warranted. Analysis of 650,000 satellite images, published in the journal science, reveal the extent of. July 18, 2012 november 2, 2016 by kamran 4 comments. Basic concepts of deforestation, degradation, and fragmentation 2. The forest lands are converted in to farms, ranches and urban areas through deforestation.

Deforestation facts and information national geographic. Smallholder farmers are often implicated in scientific literature and policy documents. While the secondary data source involved the search into published and unpublished materials relevant to the subject matter. Rainforest alliances position on halting deforestation and achieving sustainability 2 impacts of commodity production, and then moving toward strategic investments and collaborations that generate net benefits for productivity, risk reduction, livelihoods, and ecosystems. Key concepts climate changea term used to describe trends in the earths climate. Deforestation and climate change climate institute. Earth has lost more than half a million square miles of forest between 2000 and 2012. Environmental effects of deforestation from above loss of habitat. Thus, deforestation can alter the earths biodiversity making a lot or rare species even more extinct. One of the most dangerous and unsettling effects of deforestation is the loss of animal and plant species due to their loss of habitat.

For example, scientists see that the planets average temperature is rising. 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. Pdf the growth of human settlements into vast urban metropolitan areas is often accompanied by. This radiation gets converted to heat and causes global warming. Impacts of climate change on the occurrence of harmful algal. However, most of the existing literature typically distinguishes between two levels of specific factors. Lancour national rules committee chairman life science green generation is designed for a two year rotation the first year will cover aquatic issues, air quality issues and climate change while the second year will cover terrestrial issues and population growth issues.

Pakistan is not selfsufficient in wood based products and spends billions of rupees on import of wood and wood based products. The impact of timber plantations could thus turn out to be quite detrimental to tropical forest ecosystems kartodihardjo and supriono, 2000. This affects wind and ocean currents as well as yearly amounts of. Deforestation and climate change congressional research service summary efforts to mitigate climate change have focused on reducing carbon dioxide co 2 emissions into the atmosphere. 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. Causes, effects and control strategies find, read and cite all the research you. For the tropics as a whole, however, the annual rate of forest loss natural forests and plantations combined was negative about 0. The effects of deforestation on wildlife along the transamazon highway article pdf available in european journal of wildlife research 5. The paper introduces global warming, ela borates its causes and hazards and presen ts some solutions to solve this ho t issue.

Pdf effects of deforestation on land degradation researchgate. Individuals for ecological deforestation to end, paper consumption must be drastically reduced. When people do deforestation, they should conduct reforestation to avoid the negative impacts. The role of agricultural subsidies and ethnic favoritism ryan abman1 and conor carney 2 1departmentofeconomics,sandiegostateuniversity 2departmentofeconomics,universityofcalifornia,santabarbara. Equatorial deforestation as a harmful practice and a criminological issue rapid tropical deforestation poses a threat to the survival in the wild of many species. The changes in area of forest by region and subregion are shown in table 1. Why deforestation happens deforestation occurs in many ways. This section looks at a deforestation definition, causes of deforestation, effects of deforestation, solutions to deforestation and deforestation facts. Yet the effects of deforestation reach much farther. On the left side of the menu you should see a list of files in the current folder. 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. On the other hand, adverse effects have also been generated, the consequences of which one today has to pay for dearly. Equatorial deforestation as a harmful practice and a. The latest deforestation news is included at the foot of the page.