释义 |
deforestationde‧for‧es‧ta‧tion /diːˌfɒrəˈsteɪʃən $ -ˌfɔː-,-ˌfɑː-/ noun [uncountable] - Deforestation has been shown to cause floods and drought.
- Some parts of tropical America have seen over 70% deforestation.
- The land is severely eroded as a result of widespread deforestation and intensive farming.
- As the pace of deforestation picked up, the area of land covered by dense forest declined considerably.
- Further large-scale deforestation is occurring in response to government-sanctioned development projects, many of which involve cash cropping and ranching.
- In addition high usage of wood for fuel is a major cause of deforestation accounting for 75% of 1983 energy consumption.
- It also provides for increased penalties for dumping oil at sea, and for fortnightly satellite monitoring of deforestation.
- Like most of the forest species, it is threatened by deforestation and hunting.
- Of particular importance is the effect that deforestation has on tropical soils.
- Overgrazing by sheep and goats contributed to the deforestation.
- The authors also predict an increase in violent storms, fires, landslides and avalanches in the Alpine region as well as widespread deforestation.
damage to the environment► pollution harmful chemicals, gases, or waste materials from factories, houses etc that enter the air, water, or land and kill or damage the things that live or grow there: · Pollution levels in the area shot up as soon as the factory started operating.· What pollution controls will the state authorities put in place?air/marine/land etc pollution: · She says that transporting goods by rail instead of road would cut air pollution dramatically. ► global warming a general increase in the temperature of the world caused by harmful chemicals and gases from cars, factories etc entering the air: · Scientists estimate that global warming could cause a six degree rise in temperatures by 2100.· One of the most devastating consequences of global warming could be the melting of the polar ice caps. ► greenhouse gases gases from cars, factories, machines etc that form a layer around the earth and keep the heat in. These are a cause of global warming: · International controls are needed to reduce emissions of greenhouse gases.· Western countries are overwhelmingly responsible for current levels of greenhouse gases. ► acid rain rain that is harmful to trees and buildings because it contains pollution from factories, power stations etc: · Typical symptoms of acid rain include deformed and dying trees, and trees with vastly reduced numbers of leaves. ► climate change changes in the weather across large areas of the world caused by damage to the natural environment, for example increases in temperature, more storms, or more or less rain: · People will have to get used to more flooding and droughts as climate change becomes a reality.· an international conference on Climate Change ► hole in the ozone layer a hole in the layer of natural gases around the earth that protects people, animals etc from damage from the sun. This is thought to be caused by harmful gases from cars, household products, factories etc entering the earth's atmosphere: · The increase in the incidence of skin cancer is directly due to the hole in the ozone layer. ► deforestation when too many trees are cut down in an area, so that the environment is badly damaged: · Some parts of tropical America have seen over 70% deforestation.· The land is severely eroded as a result of widespread deforestation and intensive farming. ► endangered species a type of animal, plant etc that might soon stop existing because of damage to the environment it lives in or because too many of them have been killed by humans: · Environmentalists say that the area includes the habitats of at least 20 endangered species.· Although the tiger is an endangered species, it is still hunted in some areas. ► Forestryafforestation, noundeforestation, nounfir, nounfirebreak, nounforested, adjectiveforester, noungrove, noungum, nounhardwood, nounjungle, nounlog, verblogger, nounlogging, nounlogjam, nounlumber, verblumber, nounlumberjack, nounlumberman, nounlumbermill, nounlumberyard, nounpine, nounplantation, nounreforestation, nounsapling, nounspruce, nounwoodcutter, nounwoodsman, noun nounforestdeforestationforestryforesteradjectiveforestedverbdeforest the cutting or burning down of all the trees in an area: the deforestation of the tropics—deforest /diːˈfɒrɪst $ -ˈfɔː-, -ˈfɑː-/ verb [transitive] |