Essay on save trees save planet

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essay on save trees save planet

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The rate of erosion occurs from deforestation, because it decreases the amount of litter cover, which provides protection from surface runoff. 57 The rate of erosion is around 2 metric tons per square kilometre. 58 This can be an advantage in excessively leached tropical rain forest soils. Forestry operations themselves also increase erosion through the development of ( forest ) roads and the use of mechanized equipment. Deforestation in China's loess Plateau many years ago has led to soil erosion; this erosion has led to valleys opening. The increase of soil in the runoff causes the yellow river to flood and makes it yellow colored.

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54 Deforestation of the highland Plateau in Madagascar has led to extensive siltation and unstable flows of western rivers. Trees, and plants in general, affect the water cycle significantly: 55 their canopies intercept a proportion of precipitation, which is then evaporated back to the atmosphere ( canopy interception their litter, stems and trunks slow down surface runoff ; their roots create macropores large conduits. Their leaves control the humidity of the atmosphere by disadvantages transpiring. 99 of the water absorbed by the roots moves up to the leaves and is transpired. 56 As a result, the presence or absence of trees can change the quantity of water on the surface, in the soil or groundwater, or in the atmosphere. This in turn changes erosion rates and the availability of water for either ecosystem functions or human services. Deforestation on lowland plains moves cloud formation and rainfall to higher elevations. 44 The forest may have little impact on flooding in the case of large rainfall events, which overwhelm the storage capacity of forest soil if the soils are at or close to saturation. Tropical rainforests produce about 30 of our planet's fresh water. Deforestation disrupts normal weather patterns creating hotter and drier weather thus increasing drought, desertification, crop plan failures, melting of the polar ice caps, coastal flooding and displacement of major vegetation regimes. 44 soil edit due to surface plant litter, forests that are undisturbed have a minimal rate of erosion.

50 Deforestation reduces soil cohesion, so that erosion, flooding and landslides ensue. 51 52 Shrinking forest cover lessens the landscape's capacity to intercept, retain and transpire precipitation. Instead of trapping precipitation, which then percolates to groundwater systems, deforested areas become sources of surface water runoff, which moves much faster than subsurface flows. Forests return most of the water that falls as precipitation to the atmosphere by transpiration. In contrast, when an area is deforested, almost all precipitation is lost feasibility as run-off. 53 That quicker transport of surface water can translate into flash flooding and more localized floods than would occur with the forest cover. Deforestation also contributes to decreased evapotranspiration, which lessens atmospheric moisture which in some cases affects precipitation levels downwind from the deforested area, as water is not recycled to downwind forests, but is lost in runoff and returns directly to the oceans. According to one study, in deforested north and northwest China, the average annual precipitation decreased by one third between the 1950s and the 1980s.

essay on save trees save planet

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47 48 However, the incineration and burning of forest plants to clear land releases large amounts of CO2, which contributes to global warming. 35 Scientists also state that tropical deforestation releases.5 billion tons of carbon each year into the atmosphere. 49 Hydrological edit The water cycle is also affected by deforestation. Trees extract groundwater through their roots and release it into the atmosphere. When part of a forest is removed, the trees no longer transpire this water, resulting in a much drier climate. Deforestation reduces the content of water in the soil and groundwater as well as atmospheric moisture. The dry soil leads to lower water intake for the trees to extract.

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essay on save trees save planet

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Forests can be either sinks or sources depending upon environmental circumstances. Mature forests alternate between being net sinks and net sources of carbon dioxide (see carbon dioxide sink and carbon cycle ). In deforested areas, the land heats up faster and reaches a higher temperature, leading to localized upward motions that enhance the formation of clouds and ultimately produce more rainfall. 42 However, according to the geophysical Fluid Dynamics Laboratory, the models used to investigate remote responses to tropical deforestation age showed a broad but mild temperature increase all through the tropical atmosphere. The model predicted.2 C warming for upper air at 700 mb and 500. However, the model shows no significant changes in other areas besides the Tropics.

Though the model showed no significant changes to the climate in areas other than the Tropics, this may not be the case since the model has thesis possible errors and the results are never absolutely definite. 43 Deforestation affects wind flows, water vapour flows and absorption of solar energy thus clearly influencing local and global climate. 44 Reducing emissions from deforestation and forest degradation (redd) in developing countries has emerged as a new potential to complement ongoing climate policies. The idea consists in providing financial compensations for the reduction of greenhouse gas (GHG) emissions from deforestation and forest degradation". 45 rainforests are widely believed by laymen to contribute a significant amount of the world's oxygen, although it is now accepted by scientists that rainforests contribute little net oxygen to the atmosphere and deforestation has only a minor effect on atmospheric oxygen levels.

Tropical deforestation is responsible for approximately 20 of world greenhouse gas emissions. 36 According to the Intergovernmental Panel on Climate Change deforestation, mainly in tropical areas, could account for up to one-third of total anthropogenic carbon dioxide emissions. 37 But recent calculations suggest that carbon dioxide emissions from deforestation and forest degradation (excluding peatland emissions) contribute about 12 of total anthropogenic carbon dioxide emissions with a range from 6. 38 Deforestation causes carbon dioxide to linger in the atmosphere. As carbon dioxide accrues, it produces a layer in the atmosphere that traps radiation from the sun.


The radiation converts to heat which causes global warming, which is better known as the greenhouse effect. 39 Plants remove carbon in the form of carbon dioxide from the atmosphere during the process of photosynthesis, but release some carbon dioxide back into the atmosphere during normal respiration. Only when actively growing can a tree or forest remove carbon, by storing it in plant tissues. Both the decay and burning of wood releases much of this stored carbon back to the atmosphere. Although an accumulation of wood is generally necessary for carbon sequestration, in some forests the network of symbiotic fungi that surround the trees' roots can store a significant amount of carbon, storing it underground even if the tree which supplied it dies and decays,. 40 Another way carbon can be sequestered by forests is for the wood to be harvested and turned into long-lived products, with new young trees replacing them. 41 Deforestation may also cause carbon stores held in soil to be released.

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26 From the perspective of the developing world, the benefits of forest as carbon sinks or biodiversity reserves go primarily to richer developed nations and there is insufficient compensation for these services. Developing countries feel that some countries in the developed world, such as the United States of America, cut down their forests centuries ago and benefited economically from this deforestation, and that it is hypocritical to deny developing countries the same opportunities,. That the poor shouldn't have to bear the cost of preservation when the rich created the problem. 27 Some commentators have noted a shift in the drivers of deforestation over the past 30 years. 28 Whereas deforestation was primarily driven by subsistence activities and government-sponsored development projects like life transmigration in countries like indonesia and colonization in Latin America, india, java, and so on, during the late 19th century and the earlier half of the 20th century, by the 1990s. 29 Environmental effects edit Atmospheric edit further information: Deforestation and climate change deforestation is ongoing and is shaping climate and geography. Deforestation is a contributor to global warming, 34 35 and is often cited as one of the major causes of the enhanced greenhouse effect.

essay on save trees save planet

13 14 Some argue that poor people are more likely to clear forest because they have no alternatives, others that the poor lack the ability to pay for the materials and labour needed to clear forest. 13 One study found that population increases due to high fertility rates were a primary driver of essay tropical deforestation in only 8 of cases. 15 Other causes of contemporary deforestation may include corruption of government institutions, 16 17 the inequitable distribution of wealth and power, 18 population growth 19 and overpopulation, 20 21 and urbanization. 22 Globalization is often viewed as another root cause of deforestation, 23 24 though there are cases in which the impacts of globalization (new flows of labor, capital, commodities, and ideas) have promoted localized forest recovery. 25 Deforestation in the maranhão state of Brazil, 2016 In 2000 the United Nations food and Agriculture Organization (FAO) found that "the role of population dynamics in a local setting may vary from decisive to negligible and that deforestation can result from "a combination. 19 The degradation of forest ecosystems has also been traced to economic incentives that make forest conversion appear more profitable than forest conservation. 26 Many important forest functions have no markets, and hence, no economic value that is readily apparent to the forests' owners or the communities that rely on forests for their well-being.

live in tropical forests. 2012,.3 million square kilometres (890,000 sq mi) of forests around the world were cut down. 10 As a result of deforestation, only.2 million square kilometres (2.4 million square miles) remain of the original 16 million square kilometres (6 million square miles) of forest that formerly covered the earth. 10 An area the size of a football pitch is cleared from the Amazon rainforest every minute, with 136 million acres (55 million hectares) of rainforest cleared for animal agriculture overall. 11 Contents The last batch of sawnwood from the peat forest in Indragiri hulu, sumatra, indonesia. Deforestation for oil palm plantation. According to the United Nations Framework convention on Climate Change (unfccc) secretariat, the overwhelming direct cause of deforestation is agriculture. Subsistence farming is responsible for 48 of deforestation; commercial agriculture is responsible for 32; logging is responsible for 14, and fuel wood removals make. 12 Experts do not agree on whether industrial logging is an important contributor to global deforestation.

The removal of trees without sufficient reforestation has resulted in habitat damage, biodiversity loss, and aridity. It has adverse impacts on biosequestration of atmospheric carbon dioxide. Deforestation has also been used in war to deprive like the enemy of vital resources and cover for its forces. Modern examples of this were the use of Agent Orange by the British military in Malaya during the malayan Emergency and the United States military in vietnam during the vietnam War. As of 2005, net deforestation rates have ceased to increase in countries with a per capita gdp of at least us 4,600. 5 6 Deforested regions typically incur significant adverse soil erosion and frequently degrade into wasteland. Disregard of ascribed value, lax forest management, and deficient environmental laws are some of the factors that allow deforestation to occur on a large scale. In many countries, deforestationboth naturally occurring and human-induced is an ongoing issue.

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For the computer science term, see. For other uses, see. Deforestation, clearance, or clearing is the removal of a forest or stand of trees where the land healthy is thereafter converted to a non-forest use. 2, examples of deforestation include conversion of forestland to farms, ranches, or urban use. The most concentrated deforestation occurs in tropical rainforests. 3, about 30 percent of Earth's land surface is covered by forests. 4, deforestation occurs for multiple reasons: trees are cut down to be used for building or sold as fuel (sometimes in the form of charcoal or timber while cleared land is used as pasture for livestock and plantation.


essay on save trees save planet
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  4. Deforestation, clearance, or clearing is the removal of a forest or stand of trees where the land is thereafter converted to a non-forest use. Examples of deforestation include conversion of forestland to farms, ranches, or urban use. We're your online guide to making conscious choices that help people, animals and the planet. Clock, blog for Members.

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