Afforestation pollution

Trees that were planted are mostly non-native species, such as: Pinus massonianaAcacia confusa Formosan acaciaLophostemon confertus and the Paper Bark Tree.

Afforestation pollution

Afforestation ensures trees and plants that hold the soil in these sensitive areas remain protected. Hong Kong[ edit ] Since the founding of the crown colony in the 19th century, afforestation has taken place to prevent soil erosion in the catchment areas of the reservoirs that were built. Alpine and Subalpine regions have undergone a lot of deforestation and then forestation in the last years. Afforestation is, therefore, a practice that has been propagated by government and non-government agencies of many countries as a way to stop over-exploitation of nature. Sometimes special tools, such as a tree planting bar , are used to make planting of trees easier and faster. Deforestation and its potential to severe droughts and massive floods has raised serious concerns in China since the s, fostering the largest afforestation project in the world Liu et al. Aside from emissions, meteorological conditions play a key role in the haze pollution, affecting the formation, transformation, diffusion, transport, and removal of PM2. However, in pre-modern periods, government sponsored afforestation projects along the historical frontier regions were mostly for military fortification. In around The Yan Yanshan Mt. Considering the need of afforestation in India, many government, private and NGOs are engaged to create new forests through afforestation method to purify the environment, maximize the carbon capture, and control the soil erosion. Many countries have introduced the practice of planting trees along with agricultural crops in croplands. Consequently, there has been ongoing debate in China on whether the afforestation program contributes enough to mitigate the haze formation in BTH China Forestry Network, a, Industrial revolution, population bursts, and pollution create permanent damage to the earth, and the result is global warming and climate change.

China[ edit ] Strips of forest are planted along hundreds of kilometers of the Yangtze levees in Hubei province [11] China has deforested most of its historically wooded areas. This is being done to decrease the pressure on the use of existing hardwood species of the forest like black cherry, black walnut, and northern red oak.

importance of afforestation

Aside from emissions, meteorological conditions play a key role in the haze pollution, affecting the formation, transformation, diffusion, transport, and removal of PM2.

We have further evaluated the effect of the proposed large artificial ventilation corridor system on the haze mitigation in Beijing.

Conclusion of afforestation

Only local species are planted in an area. And finally 69 million hectare area was under forest had been reported in Most of the trees were cut down and extensive reafforestation was carried out after the war. Spain today has the fifth largest forest area in the European Union. The advantage of planting a tree species, like pine, is it helps check infections the tree is prone to in its native country and climate, thus producing higher production. It has been reported to reach the highest May level on May according to current monitoring method. Owing to the sensitivity to over usage and slow growths, these forests cannot be used continuously for commercial purposes like wood products. However, in pre-modern periods, government sponsored afforestation projects along the historical frontier regions were mostly for military fortification.

Considering the need of afforestation in India, many government, private and NGOs are engaged to create new forests through afforestation method to purify the environment, maximize the carbon capture, and control the soil erosion.

India is an emerging or developing country whereas the controlling of Carbon emission is very much challenging for the policy makers. According to Food and Agriculture Organization statistics, Spain had the third fastest afforestation rate in Europe in the period, after Iceland and Ireland.

afforestation essay pdf

Pursuant to better growth and higher yields due to afforesting of these alien species, South Africa can produce and export close to two million tons of wood and wood products.

By planting trees and creating forests, many of the commercial needs of human beings are fulfilled, while not destroying what is left of the planet.

Causes of afforestation

In South Africa, about 0. Trees help check atmospheric carbon dioxide; large scale afforestation can curb the problems caused due to burning of fossil fuels, industrialization and so forth. Consequently, there has been ongoing debate in China on whether the afforestation program contributes enough to mitigate the haze formation in BTH China Forestry Network, a, It is important because it helps check the over-use of natural resources by providing an alternative source pool. The Yan Yanshan Mt. Together these may lead to desertification and the loss of topsoil ; without soil, forests cannot grow until the long process of soil creation has been completed - if erosion allows this. Premier Rann said the project aimed to beautify and cool the city and make it more liveable; improve air and water quality and reduce Adelaide's greenhouse gas emissions by , tonnes of C02 a year. Wu et al. Owing to the sensitivity to over usage and slow growths, these forests cannot be used continuously for commercial purposes like wood products. Afforestation is the process of planting trees , or sowing seeds, in a barren land devoid of any trees to create a forest. A second program, running between and , afforested more than square kilometres of land precise statistics not yet available. An increase in the surface roughness induced by increased vegetative biomass has been proposed to be responsible for the surface-level stilling to some degree Wu et al. Europe's forests are growing by 0. In a natural forest or woodland, the trees are heterogeneous. Although aggressive emission control strategies have been undertaken since the initiation and implementation of the Action Plan, widespread and persistent haze still often engulfs BTH.

In South Africa, about 0. Hence, a large artificial ventilation corridor system has been proposed, highly anticipated to ventilate Beijing China Forestry Network,b, c.

afforestation essay for class 4

And finally 69 million hectare area was under forest had been reported in

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Importance of Afforestation in India