Deforestation what companys are against deforestation. The causes attributed to deforestation are multivariate in nature, interrelated and differ at local, national as well as regional scale. But precisely because tropical forests store large amounts of carbonboth in primary oldgrowth forests and secondary disturbed and regenerating forestsit is important to protect these lands from oil palm development. Action on the full suite of drivers of deforestation and forest degradation will reinforce the eus position as a leader on biodiversity conservation, sustainable development and climate action. Between may 2000 and august 2006, brazil lost nearly 150,000 square kilometres of forestan area bigger than greeceand since.
Ppt impacts of deforestation powerpoint presentation. Free deforestation ppt template download free powerpoint ppt. Deforestation deforestation has been described as the cutting down of trees without planting others in their place. Other land uses countries resort to deforestation to cope with the increasing demand for housing brought about by the growing population logging, or simply cutting down trees for timbre is one of the main causes of deforestation 3. Deforestation in the brazilian amazon and its causes deforestation is the removal of a forest or stand of trees where the land is thereafter converted to a non rural use. The dark areas are forest, the white is deforested areas, and the gray is regrowth. Tropical deforestation contributes as much as 90% of the current net release of biotic carbon dioxide into the atmosphere. You will use pages 245247 to take notes on the use of the rain forests of latin america. Deforestation is has a result of the interaction of environmental, social, cultural and political forces in a given region. 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. Predictors of deforestation in the brazilian amazon william f. It consists of a complex of social, political, economic. When forests are destroyed, the roots that once held soil in place are gone, making the soil erode quickly. Aug, 2017 presentation about deforestation english language.
Introduction of deforestation destruction of our green. Impact of deforestation on atmosphere rainforests are widely believed by laymen to contribute a significant amount of worlds oxygen although it is now accepted by scientists that rainforests contribute little net oxygen to the atmosphere and deforestation will have no effect on atmospheric oxygen levels. Predictors of deforestation in the brazilian amazon. The designations of geographical entities in this book, and the presentation of the material do not imply. Presentation on deforestation free download as powerpoint presentation. In the marrakesh accords, deforestation is defined as the direct human induced conversion of forested land to nonforested land. It is animated so only one point is revealed at once, meaning you can elicit the next sentence from them before revealing. Sep 07, 20 this is a very simple powerpoint no frills. Causes, effects and control strategies sumit chakravarty 1, s.
Tes global ltd is registered in england company no 02017289 with its registered office. Deforestation and its effects deforestation, clearance, or clearing is the removal of a forest or stand of trees where the land is thereafter converted to a nonforest use. Deforestation and species extinction in tropical moist forests. In africa and subtropical asia it accounts for around of deforestation and is of similar importance to subsistence agriculture. Basic concepts of deforestation, degradation, and fragmentation 2.
Excavating a diamond or coal means clearing of all woodland cover with the help of trucks and many other types of equipment. Deforestation is the conversion of forested areas to nonforest land for use such as arable land, pasture, urban use, logged area, or wasteland. Based on papers presented at a workshop held inturrialba, costa rica, mar. Population growth is a major hindrance to attainment of sustainable development. Generally, the removal or destruction of significant areas of forest cover has resulted in a degraded environment with reduced biodiversity. Human activities four human activities which are significant contributory factors in the process of desertification are 1. Most definitions characterize deforestation as the longterm or permanent conversion of land from forest use to other nonforest uses. Help to implement a lowcost system has an integrated, accessible and public platform. Amazon development and deforestation deforestation, is the removal of a forest or stand of trees where the land is thereafter converted to a nonforest use. Final deforestation ppt free download as powerpoint presentation. Do a class project to learn more about rainforests and the plants. Deforestation is a global issue and is prevalent throughout the geographic range of many primate species.
Deforestation in the current scenario may have reduced however it would be too early to assume. The problem is that the trees cannot be re grown and replanted at. A free powerpoint ppt presentation displayed as a flash slide show on id. Ppt deforestation powerpoint presentation free to view. Reducing emissions from deforestation and forest degradation in.
Deforestation and forest degradation represent a significant fraction of the annual worldwide humaninduced emission of greenhouse gases to the atmosphere, the main. Forests are also cleared for cattle grazing, which have made them one of the most heavily exploited. Mostly deforestation has occurred in the temperate and subtropical areas. The programme seeks to provide timely information and tools to a wide. Falls within 8 countries and covers about 40 of south america. Deforestation results in the destruction of plants that fight cancer taylor. Deforestation and forest degradation as an environmental. Car, electronic transport note egta, and the amazon monitoring system prodes complete coverage of the value chain. Published on may 15, 2017 march 12, 2020 by debu sehgal. Apr 11, 2018 you dont have to be big to make a big impact. Amazon deforestation ppt free download as powerpoint presentation.
Presentations ppt, key, pdf logging in or signing up. This presentation is of deforestation, one of the major problem of recent time. Causes of deforestation in pakistan scholarshipsads. This has resulted in globally significant co2 emissions and the muchreported transboundary haze across the malacca straits. A presentation about the state of the worlds forests, the main causes behind. This can block dams and rivers, reducing the flow of the water. Pakistan is not selfsufficient in wood based products and spends billions of rupees on import of wood and wood based products.
Pakistans forest resources are shrinking at a rate of one percent which will have dreadful effects on the people of pakistan. 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. The best solution to deforestation is to curb the felling of trees, by employing a series of rules and laws to govern it. Chart and diagram slides for powerpoint beautifully designed chart and diagram s for powerpoint with visually stunning graphics and animation effects. When part of a forest is removed, the trees no longer evaporate away this water, resulting in a much drier climate. 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. Introduction of invasive species of plants or animals. 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.
Should users find any errors in the documents or have comments for improving their. Our new crystalgraphics chart and diagram slides for powerpoint is a collection of over impressively designed datadriven chart and editable diagram s guaranteed to impress any audience. Trees extract groundwater through their roots and release it into the atmosphere. Deforestationis the direct or indirect humaninduced conversion of forestedland to nonforested land.
Natural causes such as wildfires, volcanism and climate change. Examples of deforestation include conversion of forestland to farms, ranches, or urban. Final deforestation ppt deforestation amazon rainforest scribd. Indigenous tribes to the amazon rainforest are being destroyed because of deforestation. Agricultural technologies and tropical deforestation. Desertification is due mainly to climate variability and unsustainable human activities. Deforestation is a problem that is caused largely by greed and want for property, money and possibly status. Impacts of deforestation 1 impacts of deforestation. Tropical deforestation and species extinction iucn portals. In many countries today, deforestation is an ongoing issue that is causing the extinction of animals and plants as well as the loss of homes of indigenous people who used to live there.
Palm oil and global warming union of concerned scientists. Introduction of deforestation destruction of our green planet. Fao defines deforestation as the conversion of forest to another land use or the longterm reduction of the tree canopy cover below the minimum 10% threshold. Presentation on deforestation deforestation global warming. Human are mainly responsible for the destruction because the destruction caused by the nature is minimal but it is the man who destructs the forests for his own benefits. Ppt impacts of deforestation powerpoint presentation free. Deforestation deforestation regrowth undisturbed forest forest fragments figure 1. Deforestation is consequently an important potential source of carbon. Deforestation by a peasant farmer is often done to raise crops for selfsubsistence, and is driven by the basic human need for food. Human activity is responsible for the loss of around half of the forests that once covered the earth. Although deforestation has occurred for tens of thousands of years, deforestation in the. Amazon deforestation ppt deforestation amazon rainforest.
The causes and effects of deforestation will be covered in more detail in later modules. This website and its content is subject to our terms and conditions. Ppt on deforestation free download as powerpoint presentation. Examples of deforestation consist of conversion of forestland to farms, ranches, or urban use. We are committed to furthering study of our natural world and have a strong collaborative network to support our students in a wide range of fields, from conservation to biomedical sciences. The three main causes of deforestation in the world are. The destruction of forests not only by the human is called deforestation but by the natural forces as well. Deforestation alexandra lovichova, nicholas eio, kenneth ho content 1. Examples of deforestation include conversion of forestland to farms, ranches, or urban use. World deforestation according to professor norman myers, one of the foremost authorities on rates of deforestation in tropical forests, the annual destruction rates seems set to accelerate further and could well double in another decade myers, 1992. According to fao, deforestation is the conversion of. Deforestation, clearance or clearing is the removal of a forest or stand of trees where the land is thereafter converted to a nonforest use.
Overview of topic deforestation is the conversion of forested areas to non forested generally this removal or. Agricultural technologies and tropical deforestation edited by a. Deforestation, forest degradation, biodiversity loss and co2. The moneychurner that forest resources can be, is tempting enough for deforestation to continue. The cutting down of forests or the destruction of the forests is called deforestation. Impact of deforestation on enirionment authorstream. The problem is that the trees cannot be re grown and replanted at the rate at which they are being cut down. Here are some great ways that kids can help save rainforests. Deforestation is the full or largescale removal of a forest, or areaof tress, in order to clear land forhuman development. Impact of deforestation onwater the water cycle is also affected by deforestation. International conference working across sectors to halt. In many parts of the world the forest is taken for granted as a replenish able resource, which it is. Marsfm working paper 5 2007 forestry department food and agriculture organization of the united nations manual on deforestation, degradation, and fragmentation using remote sensing and gis prepared by giri tejaswi rome, march 2007 strengthening monitoring, assessment and reporting on sustainable forest management in asia gcpint988jpn.
This change may represent as much as 20% 30% of the total carbon flux due to humans, i. The department of biology is the hub for fundamental biological sciences at umd. This report documents pulp wood and palm oildriven deforestation and degradation of natural forests and shows how that has caused the decomposition and burning of carbonrich soil in riaus vast and deep peatlands. The drivers of tropical deforestation can be summed up as complex socioeconomic processes that are impossible to isolate a single cause. Mining, infrastructure and urban expansion are important but less prominent.
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