Introduction of deforestation destruction of our green planet. Most of the clearing is done for agricultural purposesgrazing cattle, planting crops. This may force indigenous people to live a new life which they are not. Legal and illegal roads penetrate a remote part of the forest, and small farmers migrate to the area. Deforestation defined broadly can include not only conversion to nonforest, but also degradation that reduces forest quality the density and structure of the trees, the ecological. Causes, effects and control strategies 5 deforestation are maintained. The decreasing forest cover is limiting the habitats of many species due to which is forcing them to intrude with human welfare 36.
Effects of deforestation 10 change in living habits. Within a few years, heavy rains and erosion deplete the soil, and crop yields fall. Introduction to deforestation deforestation is defined by as the cutting down and removal of all or most of the trees in a forested area. It is a complex issue full of uncertainties and controversies. Over the longer term, deforestation of tropical rainforests can have a broader impact, affecting global climate and biodiversity. They claim land along the road and clear some of it for crops. The effects of deforestation on the environment are numerous. These figures also in fact give an indication of how the rate of deforestation could be reduced.
Data were collected through questionnaires, interviews, focus group discussions and field. Another most noticeable impact of deforestation is the increasing humanwildlife conflict. Deforestation is a problem with far reaching consequences ranging from a barren landscape to a higher carbon dioxide levels in the air. Although tropical deforestation meets some human needs, it also has profound, sometimes devastating, consequences, including social conflict and human rights abuses, extinction of plants and animals, and climate changechallenges that affect the whole world. Forests, infact, have an important role to play for air and climate. 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. Global deforestation download ebook pdf, epub, tuebl, mobi. 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. Nevertheless, deforestation has been a widespread phenomenon in tropical africa, with an annual forest clearance of between 1. Tropical deforestation contributes as much as 90% of the current net release of biotic carbon dioxide into the atmosphere. Deforestation is the clearing of trees without the intent of replacing them or reestablishing a stand of trees. Deforestation can have adverse impacts on the environment such as loss of habitats and loss of species.
Agents, causes, and consequences of deforestation, degradation, and fragmentation. Deforestation implies the longterm 10 years or permanent loss of forest cover. Deforestation is the permanent removal of trees to make room for something besides forest. Basically, many of the function s of tropical forests are not marketed and as such are ignored in decision making. Impact of deforestation on climate change iosr journal. Interview questions on deforestation q11e4rmg2012 general have you ever thoughtwhat do you think about deforestation. Jasmine gatt and maronia magri have also researched the topic deforestation. Deforestation can be defined as cutting down of trees. The dark areas are forest, the white is deforested areas, and the gray is regrowth. Deforestation causes can either be direct or indirect. National science foundation video on the state of deforestation in the brazilian amazon rainforest. The underlying point is that we have to pull together to stop the destruction of the worlds woodlands and forests. Deforestation is one of the major causes to the environmental degradation which is affected by the agents like small farmers, ranches, loggers and plantation companies.
The three main causes of deforestation in the world are. Deforestation results from removal of trees without sufficient reforestation this process alters the hydrologic cycle, altering the amount of water in the soil and groundwater and the moisture in the atmosphere. In contrast, the loss of tropical forests is substantial and continuing. Land use changes, especially in the form of deforestation, are the second largest anthropogenic source of atmospheric carbon dioxide emissions, after fossil fuel combustion. 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 unpredicted erosion, landslide, and lowland flooding due to deforestation are also major concerns in nepal as well as in downstream countries metz, 1991.
Deforestation not only affects the climate by increasing the atmospheric level of carbon dioxide but also affects the environment by inhibiting water recycling. Agricultural technologies and tropical deforestation. Among the impacts of tropical deforestation are the altered local or regional hydrology, altered climate and serious environmental problems such as flood damage. A forest stand is a close community of trees sufficient in size, composition and location to distinguish it from other nearby communities. Tropical forests are home to half the earths species, and their trees are an immense standing reservoir of carbon.
Deforestation is a primary contributor to climate change. Deforestation can also occur to produce the wood and organic materials needed for a variety of industries. Deforestation in ghana is a researchbased analytical study that explains the disconnect between the declared deforestation policy intentions and their outcomes in ghana. Why deforestation happens deforestation occurs in many ways. This pattern follows one of the most common deforestation trajectories in the amazon.
Abstract deforestation is conceived as a word more physical. It will lead to increase in carbon dioxide concentration and other air pollutants. Deforestation can involve conversion of forest land to farms, ranches, or urban use. Deforestation is the process of cutting down trees and clearing land. Deforestation deforestation regrowth undisturbed forest forest fragments figure 1. The soil only stays nutrient rich for so long, about two years11, after this time, the nutrients from the burned biomass are used up. In many countries, people clear land to use it for other purposes, such as agriculture, pasture land, and urban development. Click download or read online button to get global deforestation book now. The changes in area of forest by region and subregion are shown in table 1. The file below are questions that relate to all 3 videos in this section. This change may represent as much as 20% 30% of the total carbon flux due to humans, i.
Secondly, the consequences of forest destruction are discussed, with a summary of estimates of the economic costs of deforestation. This book provides a general view about deforestation dynamics around the world, incorporating analyses of its causes, impacts and. Christine borg, yanica said and yana vella researched the reasons behind deforestation and the consequences of excessive deforestation. Deforestation has several negative effects on the environment and organisms. The most concentrated deforestation occurs in tropical rainforests. Deforestation has immediate consequences for the local population in terms of increased fuel scarcity, reduced supply of fodder, and leaflitter manure. Without trees to anchor fertile soil, erosion can occur and sweep the land into rivers. When people do deforestation, they should conduct reforestation to avoid the negative impacts. National science foundation video on the state of deforestation in the brazilian. Insufficient political actions and governance failure as inadequate land.
Forests that are naturally occurring and which have. Deforestation in ghana download ebook pdf, epub, tuebl, mobi. Deforestation, which is the loss of wild forest habitats due to human activity, has grown into a global problem as demand for wood climbs. 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. Greenhouse gases are emitted during combustion of forest biomass and decomposition of remaining plant material and soil carbon. Pdf effects of deforestation on land degradation researchgate. Pdf on apr 25, 2012, sumit chakravarty and others published deforestation. Deforestation and forest degradation impact the lives of 1.
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. Shrinking forests can cause widereaching problems, including soil erosion, water cycle disruption, greenhouse gas emissions and biodiversity losses. Tropical deforestation has significant climate impacts because of the large amount of co. Demandside interventions to reduce deforestation and. Nov 02, 2017 deforestation can be defined as cutting down of trees. According to fao, deforestation is the conversion of. Deforestation is the removal of a forest so that the land on which it stood may be put to another use. Population growth is a major hindrance to attainment of sustainable development.
This book provides a general view about deforestation dynamics around the world, incorporating analyses of its. Causes and effects of deforestation deforestation is the permanent destruction of forests in order to make the land available for other uses. Basic concepts of deforestation, degradation, and fragmentation 2. Deforestation is has a result of the interaction of environmental, social, cultural and political forces in a given region. Apr 30, 2019 deforestation is the removal of a forest so that the land on which it stood may be put to another use. Clean development mechanism, climate change, deforestation, emission testing, green house. Forests play a crucial role for the water cycle and deforestation entails climatic imbalances both at a global and local level as it influences the composition of the atmosphere and, as a consequence, also has an impact on the greenhouse effect. Deforestation and climate change climate institute. When this happens, farmers pack up and move on to the next section of the rainforest, leaving their farmland behind for. Should users find any errors in the documents or have comments for. Deforestation is the cutting down of trees in a forest for construction, development, lumber, etc. These changes are more challenging to observe and forecast from local effects, since they take place over a longer time scale and can be difficult to measure. It increases the level of carbon dioxide in the atmosphere and causes more soil erosion, which leads to other issues it also destroys animals habitat, ultimately leading to the loss of biological diversity in both the plant and animal worlds.
This project analyses factors influencing deforestation in the bereku forest reserve in tanzania. Abstract deforestation in forest reserves which is mainly driven by socioeconomic factors is considered as one of the key issues of the sustainable use and management of biodiversity. Causes, effects and control strategies find, read and cite all the research you. This site is like a library, use search box in the widget to get ebook that you want. Intended as a case study of the renewable resources policy process. Learn reasons for deforestation and discover the consequences of this process in all. Deforestation may lead to the extinction of these valuable plants. Based on papers presented at a workshop held inturrialba, costa rica, mar. Their work can be found in the following presentation.
While the secondary data source involved the search into published and unpublished materials relevant to the subject matter. Powered by create your own unique website with customizable templates. Deforestation is consequently an important potential source of carbon. Causeseffects do you know which effects deforestation has. Soil erosiontrees performs an important role of intercepting. Agricultural technologies and tropical deforestation edited by a. There are many factors that contribute to deforestation, each with its own causes and negative environmental impacts. Demandside interventions to reduce deforestation and forest degradation acknowledgements increasing recognition of the role that commodity demandside measures can play to address deforestation has resulted in a recent surge in efforts to assess progress and chart ways forward. Deforestation will have increasingly serious consequences for biodiversity, humans, and climate.
There are increasing instances of invasion and animal killing. Deforestation occurs for a number of reasons see below, the most common being the conversion of the onceforested land into farmland, either for growing crops or for keeping livestock. There is a broad consensus that expansion of cropped areas and pastures are a major source of deforestation. Natural causes as hurricanes, fires, parasites and floods human activities as agricultural expansion, cattle breeding, timber extraction, mining, oil extraction, dam construction and infrastructure development. This can include clearing the land for agriculture or grazing, or using the timber for fuel, construction.
Introduction of deforestation destruction of our green. About 31% of earths land surface is covered by forests. 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. A case study of puruliya district in west bengal, india dr. Deforestation is associated with negative effects as shown below. Deforestation generally increases rates of soil loss, by increasing the amount of runoff and reducing the protection of the soil from tree litter. Despite localregional causes, its consequences are global. The agricultural plants that often replace the trees cannot hold onto the soil. There is a broad consensus that expansion of cropped areas and pastures are a major source of.
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