Deforestation in the world, its current situation, its causes, its effects and its solutions
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The document discusses deforestation, defining it as the clearing of forests to meet various human demands, and highlights its causes including agriculture, logging, mining, dams, and road construction. It outlines the detrimental effects on the environment such as disruption of water and carbon cycles, loss of biodiversity, and soil erosion. Additionally, it presents examples of deforested regions and suggests solutions like buying sustainably grown foods and environmentally friendly paper to combat deforestation.
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Deforestation in the world, its current situation, its causes, its effects and its solutions
- 2. Presented by: Ravikumar Prasad Rahul Mobharkar Sanket Kadu Suraj Yadav Vaibhav Tavate
- 3. Introduction Current Situation Causes of Deforestation Effects of Deforestation Solutions Introduction Current Situation Causes of Deforestation Effects of Deforestation Solutions
- 5. Forest is an important source for satisfying people’s demands and needs. Thus, undoubtedly people would try to exploit forest resource. This process of exploiting forest is called DEFORESTATION. Deforestation is the process of clearing the forest by cutting down the tress for fulfilling different demands. IntroductionIntroduction
- 6. What is Deforestation?What is Deforestation? The destruction of forests and trees. Has many harmful effects on the environment. Happening too quickly to recover. The destruction of forests and trees. Has many harmful effects on the environment. Happening too quickly to recover.
- 10. Causes of DeforestationCauses of Deforestation Agriculture Logging Mining Dams Roads Agriculture Logging Mining Dams Roads
- 11. AgricultureAgriculture Leading cause of deforestation Farmers need land to grow crops and raise animals They remove forest land to make room for farms They use slash and burn to perform deforestation Slash and burn is cutting away and burning the forest Leading cause of deforestation Farmers need land to grow crops and raise animals They remove forest land to make room for farms They use slash and burn to perform deforestation Slash and burn is cutting away and burning the forest
- 12. LoggingLogging Loggers cut down trees for their wood Logging is illegal in many areas, like National Parks The wood is used for many purposes, including paper production and as a building material Loggers cut down trees for their wood Logging is illegal in many areas, like National Parks The wood is used for many purposes, including paper production and as a building material
- 13. MiningMining Miners search for materials like gold, copper, and aluminum This clears the land, including the forest that occupies it Contaminates the ecosystem with runoff Miners search for materials like gold, copper, and aluminum This clears the land, including the forest that occupies it Contaminates the ecosystem with runoff
- 14. DamsDams Generate hydroelectric energy Flood forests that are upstream Trees decay slowly when dams are built in tropical waters, depriving the water of oxygen Generate hydroelectric energy Flood forests that are upstream Trees decay slowly when dams are built in tropical waters, depriving the water of oxygen
- 15. RoadsRoads Building the roads themselves destroys trees in the way Provides access to a larger area of the forest for loggers, miners, and farmers Building the roads themselves destroys trees in the way Provides access to a larger area of the forest for loggers, miners, and farmers
- 17. Effects of DeforestationEffects of Deforestation Disrupts water cycle and carbon cycle Loss of biodiversity Soil Erosion Poor water quality Disrupts water cycle and carbon cycle Loss of biodiversity Soil Erosion Poor water quality
- 18. Water CycleWater Cycle If the trees are gone, there will be less transpiration and less water released into the hydrologic cycle If the trees are gone, there will be less transpiration and less water released into the hydrologic cycle
- 19. Carbon CycleCarbon Cycle If trees aren’t there, carbon dioxide will accumulate and contribute to the greenhouse effect If trees aren’t there, carbon dioxide will accumulate and contribute to the greenhouse effect
- 20. Loss of BiodiversityLoss of Biodiversity Rainforests contain over half of the world’s species Loss of trees -> loss of primary consumers -> loss of secondary consumers. When trees are removed, all rainforest life is affected Rainforests contain over half of the world’s species Loss of trees -> loss of primary consumers -> loss of secondary consumers. When trees are removed, all rainforest life is affected
- 21. Soil ErosionSoil Erosion Soil erosion is when soil is removed by natural causes When trees are gone, their roots cannot hold the soil in place Reduces soil’s capacity to hold water Makes agriculture difficult Soil erosion is when soil is removed by natural causes When trees are gone, their roots cannot hold the soil in place Reduces soil’s capacity to hold water Makes agriculture difficult
- 22. Poor Water QualityPoor Water Quality Soil erosion lets dirt enter runoff, lowering water quality Makes for bad living conditions for fish A reduced amount of fish can cause ramifications all the way up the food chain Soil erosion lets dirt enter runoff, lowering water quality Makes for bad living conditions for fish A reduced amount of fish can cause ramifications all the way up the food chain
- 23. Examples of Deforested AreasExamples of Deforested Areas The Amazon Africa Southeast Asia The Amazon Africa Southeast Asia
- 24. AmazonAmazon World’s largest tropical rainforest Located in South America 1/5 of the world’s plants and 1/10 of animals are found here World’s largest tropical rainforest Located in South America 1/5 of the world’s plants and 1/10 of animals are found here
- 25. Rainforests in AfricaRainforests in Africa World’s second largest rainforest Almost all of the forest on Madagascar is gone Madagascar too contains a large amount of biodiversity that has been compromised World’s second largest rainforest Almost all of the forest on Madagascar is gone Madagascar too contains a large amount of biodiversity that has been compromised
- 26. Rainforests in Southeast AsiaRainforests in Southeast Asia Indonesia is covered in rainforest Has been deforested just like the Amazon and in Africa It is hot and humid the whole year Indonesia is covered in rainforest Has been deforested just like the Amazon and in Africa It is hot and humid the whole year
- 28. How You Can Help? How You Can Help? Buying sustainably grown foods Buying environmentally friendly paper Buying sustainably grown foods Buying environmentally friendly paper
- 29. Sustainably Grown FoodSustainably Grown Food This is food that was grown without negative effects like deforestation Only buying this type of food pressures businesses into producing it, as they will produce what you buy This is food that was grown without negative effects like deforestation Only buying this type of food pressures businesses into producing it, as they will produce what you buy
- 30. Environmentally Friendly PaperEnvironmentally Friendly Paper This could be recycled paper or paper made from bamboo Again, this pressures paper making companies into using recycled paper and bamboo paper This could be recycled paper or paper made from bamboo Again, this pressures paper making companies into using recycled paper and bamboo paper
- 31. Deforestation in BruneiDeforestation in Brunei
- 32. Thank you for preserving our forests! Thank you for preserving our forests!