Three harmful effects of deforestation pdf

Evan mercer and john soussan c oncern over the fuelwood crisisfacing the worlds poor has been widespread since the late 1970s eckholm et al. This section looks at a deforestation definition, causes of deforestation, effects of deforestation, solutions to deforestation and deforestation facts. Causes, effects and control strategies 5 deforestation are maintained. Examples include the agriculture industry, the wood industry, and the construction industry. 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 environment. Humans have gradually lost the forests that are very essential for our existence. The effects of deforestation range from standard environmental like changes in the atmosphere and biodiversity, to economical impacts. Forests are among the most biologically diverse ecosystems on the planet. Spread the awareness about sensitization and organize educative campaigns about the effects of.

While the secondary data source involved the search into published and unpublished materials relevant to. Deforestation effects biodiversity and tropical rainforests. There should be an implementation of regulations of laws at organizational and governmental levels due to the extent of deforestation. Biodiversity loss can occur during selective logging as well. 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 threats manifest themselves in the form of deforestation and forest degradation. Human societies utilize timber and wood from forests for building houses and making paper. It was implicated as a factor in the 96% of the forests assessed geist and lambin 2002. Onethird of the worlds people depend on wood for fuel as a significant. Deforestation means large scale cutting of forests. Actually deforestation is the indiscriminate cutting down of trees which means. Forestry practices, wildfires and, in small part, urbanization account for the rest.

Looking at the importance of forests and trees in the previous pages, you can deduce the massive effects of deforestation and treecutting activities. Common materials we use every day such as latex, cork, fruit, nuts, natural oils, and resins are found in the tropical forests. Agricultural productivity and deforestation in brazil. However, most of the existing literature typically distinguishes between two levels of specific factors. Write a dialogue between two friends on harmful effects of. Deforestation has also been used in war situations to deprive an enemy of cover for its forces and other vital resources. From the evidence presented above it is evident that harmful practices resulting in deforestation are continuing in the country of brazil. The most significant effect of forest degradation is loss of habitat leading to species loss. According to fao, deforestation is the conversion of. Governments and large lumber companies see large profits in the mass deforestation of forests and state that their actions are.

Deforestation disrupts the lives of millions of people. Over half of all terrestrial species live in rainforests, which are subject to the greatest deforestation pressures. 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. Deforestation eliminates a great number of species of plants and animals which also often results in an increase in disease.

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. Jun 16, 2017 deforestation effects as different as night and day. Another cause behind deforestation is the cutting of trees for timber and fuel. Rapid increase in economic growth also has the impact on forests. Yet the effects of deforestation reach much farther. These are just a few of the causes and effects of deforestation. This, in turn, leads to greater concentrations of carbon dioxide in the atmosphere. Pakistans forest resources are shrinking at a rate of one percent which will have dreadful effects on the people of pakistan. In southeast asia, deforestation has contributed to social conflict and migration.

Agriculture is one of the primary drivers of deforestation both in modern times and in ancient times. The most concentrated deforestation occurs in tropical rainforests. But i cant understand one thing that is much talked all around and this is deforestation. Apr 09, 2020 some scientists argue that one of the biggest effects of deforestation is a massive increase in desert terrain, as soil deprived of constant moisture eventually can turn into largely barren sand. The effects of forest degradation on ecosystems sciencing. Earth has lost more than half a million square miles of forest between 2000 and 2012. Deforestation can cause catastrophic flooding as well.

Basic concepts of deforestation, degradation, and fragmentation 2. April 2015 rainforest alliances position on halting deforestation and achieving sustainability in agricultural and forestry supply chains cause for optimism forest conservation in the spotlight from 20002012, the expansion of commercial agriculture and timber plantations destroyed more than 50. 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 effects as different as night and day. On an average it is estimated that three million people depend on wood for cooking and other purposes. The main cause of deforestation is agriculture poorly planned infrastructure is emerging as a big threat too and the main cause of forest degradation is illegal logging. Farming, grazing of livestock, mining, and drilling combined account for more than half of all deforestation. Some 250 million people living in forest and savannah areas depend on them for subsistence and incomemany of them among the worlds rural poor. Thus, deforestation can alter the earths biodiversity making a lot or rare species even more extinct. Deforestation impacts on the wider ecosystem and public health. Write a dialogue between two friends on harmful effects of deforestation sujon. Entire species of insects and animals have disappeared because of the destruction of their habitats. There are three main effects of the deforestation of tropical rainforests. Pakistan is not selfsufficient in wood based products and spends billions of rupees on import of wood and wood based products.

A free powerpoint ppt presentation displayed as a flash slide show on id. Deforestation causes, effects and impacts aims and objectives 1. Japan and its impact on southeast asia deforestation. 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. Economic deforestation and its effects can change the living standards of the people. These examples provide examples of how the deforestation practices in the country is not just impactful within the country but can also have larger global scale effects. 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. One of the most dangerous and unsettling effects of deforestation is the loss of animal and plant species due to their loss of habitat. Further effects of deforestation include soil erosion and coastal flooding. Gases such as methane and carbon dioxide trap heat in earths atmosphere, leading change in climate. What negative effects does deforestation have on the environment.

The advancement in science and technological activities yielded disruptive results in nature. Deforestation and climate change climate institute. Deforestation can also occur to produce the wood and organic materials needed for a variety of industries. Impact of deforestation on agroenvironmental variables in. Deforestation is the process of cutting down trees and clearing land. A reduction in trees means a reduction in photosynthesis. 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. And scientists see that deforestation has a significant effect.

The effects of deforestation are long lasting and devastating. Loss of native species allows new species to come to dominance. Environmental implications of tropical deforestation. Apart from these, deforestation also affects biodiversity and the natural processes in the ecosystem. This study intends to explore the implications of deforestation on the agricultural sector, by. Study investigates how deforestation can cause different land surface temperature effects depending on the time of day. Deforestation definition, causes, effects, and control.

The latest deforestation news is included at the foot of the page. Increasing productivity can have ambiguous effects on forest protection. The changes in area of forest by region and subregion are shown in table 1. Soil erosion destruction soils and the nutrients in them are exposed to the suns heat. 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. However, the overexploitation of wood and timber can have a negative impact on the economy. The south american rainforest, for example, influences regional and perhaps even global water cycles, and its key to the water supply in.

Agents, causes, and consequences of deforestation, degradation, and. 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. The forest lands are converted in to farms, ranches and urban areas through deforestation. Dec, 2012 deforestation effects, causes, and examples. Deforestation facilitates the generation of raw material for a wide range of industries. One of the most immediate effects is the loss of habitat of many species of animals. Causes of deforestation are the forces that motivate the agents to clear the forests. In the extreme, analysts foresters, economists, and others in many. The next three describe the characteristics of the three major forest biomes, with an overview of deforestation causes and impacts. Local climate change that occurs with deforestation can have devastating effects on farmers.

Deforestation facts and information national geographic. Other effects of deforestation how does deforestation affect the economy. 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. 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.

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. 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. Less co2 is fixed from the atmosphere contributes to global warming. Pdf effects of deforestation on land degradation researchgate. Ban on cutting of trees and new trees and planting more. The three main causes of deforestation in the world foa 2005, ma report 2005 are. 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. But forests around the world are under threat, jeopardizing these benefits. With everything that is happening, the earth is threatened. In many countries, people clear land to use it for other purposes, such as agriculture, pasture land, and urban development.

And scientists see that deforestation has a significant effect on climate change, or global warming. Some of these efforts center on reducing co 2 emissions from deforestation, since. Individuals for ecological deforestation to end, paper consumption must be drastically reduced. 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. Harvesting, forest fires, and insect infestations do not count as deforestation because the affected areas will eventually grow back. Effects of tropical deforestation on climate and agriculture. Deforestation effects as different as night and day eos. Impacts of deforestation on rainfall are complex and uncertain. Deforestation is the permanent destruction of forests in order to utilize the land or trees. Analysis of 650,000 satellite images, published in the journal science, reveal the extent of. The vast oldgrowth forests that once covered much of the world have largely been cut and burned down because of agriculture.

Nigerias wildlife is rapidly declining due to habitat loss, increased pressure from hunters, poachers and bush burning, says vision 2010 report. 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. Department of forestry and wildlife management, university of agriculture, abeokuta, nigeria. Deforestation has many negative effects on the environment. Deforestation affects the people and animals where trees are cut, as well as the wider world. Typically, deforestation is clearing a lot of trees without the intention of establishing future growth. Deforestation is an important factor in global climate change. Trees absorb the carbon dioxide and release oxygen and water into the atmosphere and this contributes to global warming. Deforestation not only affects the climate by increasing the atmospheric level of carbon. The subject of deforestation and the effects that it has on the environment have been heavily debated for a long time. While the secondary data source involved the search into published and unpublished materials relevant to the subject matter. Deforestation can involve conversion of forest land to farms, ranches, or urban use.

1567 1170 821 1339 1286 196 1192 1235 464 577 902 266 1133 1299 555 573 32 989 346 1472 649 911 949 1236 202 48 674 1106 444