What are the 10 types of ecological disasters

1、**。<>

Hazard Index:

The main reason is that the plates on the earth squeeze and collide with each other, resulting in dislocation and rupture, which often causes serious losses such as human beings, and the degree of damage is very large.

2. Insect plague. Hazard Index:

Insect infestation is a natural disaster in which pests reproduce excessively.

It refers to the natural disaster of famine due to the excessive reproduction of a certain insect and the devouring of a large number of crops, which has been frequent in ancient China.

3. Sandstorms.

Hazard Index:

Sandstorm is a disastrous weather phenomenon with a small probability but great harm, which refers to a large amount of sand and dust rolled up by strong winds from the ground, mainly due to unreasonable land use and natural factors caused by human beings.

4. Volcanic eruptions.

Hazard Index:

Volcanic eruptions are caused by the eruption of molten material from the earth's interior under pressure, and most of the more than 600 volcanoes in China are extinct.

The only way to control volcanic activity is to prevent it in advance.

5. Fire. <>

Hazard Index:

Fire refers to a disaster caused by uncontrolled burning in time or space, and it is also a relatively common disaster, in this case, it is more necessary to remain calm, not panic, and not act blindly.

6. Debris flow.

Hazard Index:

Mudslides are in mountainous areas or areas with steep terrain because of heavy rainfall.

Landslides caused by heavy snowfall or other natural disasters and carry a special torrent of sediment and rocks are also very harmful.

7. Flooding. <>

Hazard Index:

Flooding is caused by torrential rain, sudden melting of ice and snow, and storm surge.

The rapid increase in the amount of sea water in rivers and lakes or the rapid flow of water levels caused by natural factors is one of the most serious natural disasters in the world.

8. Snow disaster. <>

Hazard Index:

Snow disaster refers to a natural disaster phenomenon caused by long-term large-scale snowfall, which is divided into three types: avalanche, wind-blown snow disaster and pastoral snow disaster, which seriously threatens people's lives and property and normal life order.

9. Drought. <>

Hazard Index:

Drought refers to the total amount of fresh water, not enough to meet the survival of human beings and economic development of the climatic phenomenon, due to long-term no rain or little rain caused, the solution is to build water conservancy, afforestation, rational water use, etc.

10. Tsunami.

Hazard Index:

Tsunamis are destructive waves caused by seabed**, volcanic eruptions, submarine landslides or meteorological changes, and severe tsunamis can also cause a large number of people**, such as the Indian Ocean tsunami in 2004, which killed about 10,000 people, and is one of the world's top ten disasters.

Ozone layer depletion.

Greenhouse effect. Land degradation and desertification.

Waste material pollution and transfer.

The types of ecological disasters are divided into:Ozone layerSabotageGreenhouse effect. , land degradation and desertification, waste pollution and transfer, forest area reduction, biodiversity reduction, water depletion, nuclear pollution, noise pollution, garbage pollution.

1. Ozone layer depletion.

The ozone layer is a layer of air with a high concentration of ozone in the upper atmosphere, which can prevent excessive solar ultraviolet rays from irradiating the earth's surface, effectively protecting the normal growth of all organisms on the ground.

2. Greenhouse effect.

The greenhouse effect refers to carbon dioxide, nitrous oxide.

Methane, freon.

A phenomenon in which a large amount of high-temperature greenhouse gases are emitted into the atmosphere, causing global temperatures to rise.

3. Land degradation and desertification.

Land degradation and desertification refer to the process of degrading the quality of land and gradually desertifying due to the combined action of human factors such as human grazing, farming, indiscriminate reclamation and a series of natural factors.

4. Waste material pollution and transfer.

Waste material pollution and transfer refers to the waste gas, waste liquid, solid waste, etc., which are discharged to nature or to other countries by industrial production and residents' lives, which seriously pollute the air, rivers, lakes, marine and terrestrial environments, and endanger human health.

5. Reduction of forest area.

Forests are known as the "lungs of the earth" and "nature's general dispatch room", which has a major regulatory function for the environment. Due to developed countries.

Widely imported and developing countries.

Land clearing, logging, and grazing have greatly reduced the forest area.

6. Biodiversity is decreasing.

Biodiversity reduction refers to the continuous disappearance of all biological species, including plants, animals and microorganisms, due to the loss of ecological environment, overexploitation of resources, environmental pollution and the introduction of alien species.

7. Depletion of water resources.

Water is the source of life, and water seems to be everywhere. However, the shortage of drinking water threatens the survival of humanity.

8. Nuclear contamination.

Nuclear contamination refers to the occurrence of nuclear leakage or even nuclear ** due to various reasons.

caused by reflective contamination.

9. Noise pollution.

The high-intensity noise generated by industrial machinery, construction machinery, automobiles and airplanes and other means of transportation has caused great damage to the human living environment and seriously affected the health of human health.

10. Garbage pollution.

Garbage is solid waste, including municipal waste (residential waste, commercial waste, municipal waste), industrial waste (factory waste, mineral and fossil fuel waste), and agricultural waste. The annual waste discharge is more than 10 billion tons, of which more than 700 million tons are municipal waste, and the average urban resident is there.

The annual emission is 300 kilograms, and the rest is industrial and agricultural waste, mainly mine waste residue and tailings, power plant ash, and agricultural product straw.

As follows:

1. Greenhouse effect: The greenhouse effect refers to the phenomenon that carbon dioxide, nitrous oxide, methane, and freon high-temperature greenhouse gases are emitted into the atmosphere in large quantities, causing the global temperature to rise.

2. Ozone layer destruction: The destruction of the ozone layer is mainly caused by the chemical substances freon used in modern life entering the stratosphere and decomposing under the action of ultraviolet rays.

3. Reduction of forest area: Forests are known as the "lungs of the earth" and "nature's general dispatch room", which have a major regulatory function for the environment. Due to extensive imports from developed countries and land reclamation, logging and grazing in developing countries, the forest area has been greatly reduced.

4. Depletion of water resources: The world's annual water consumption has reached 7 trillion cubic meters, coupled with the discharge of industrial wastewater, the abuse of chemical fertilizers, the arbitrary dumping of garbage, and the sharp increase of domestic sewage.

5. Noise pollution: The high-intensity noise generated by industrial machinery, construction machinery, automobiles and airplanes and other means of transportation has caused great damage to the human living environment and seriously affected the health of human health.

Precautionary measures: 1. It is necessary to apply advanced technology to observe the earth around the clock and detect the precursors of disasters.

With more sensing devices on the ground, underground, under the sea, and in space, humans can observe all anomalies on Earth at all times and report disasters as soon as they occur, thus providing people who may be affected with a chance to react and survive.

2. It is necessary to use modern science and technology to transform nature and society and prevent problems before they occur.

Humanity can also improve the resilience of infrastructure in disaster-prone areas by improving safety standards and introducing more advanced technologies.

Ecological catastrophe refers to ecosystems.

The catastrophe that the balance has brought to society and mankind due to the disruption of balance. For example, the land is desertified due to uncontrolled land reclamation and uncontrolled deforestation.

The disaster that desertification brings to society and mankind is an ecological disaster. Disruption of the ecological balance.

The factors are natural factors and human factors.

Causes: 1. Natural factors: natural factors such as floods, droughts, typhoons, landslides, tsunamis, etc. The destruction of the ecological balance caused by natural factors is called the first environmental problem. The destruction of the ecological balance caused by human factors is called the second environmental problem.

2. Human factors such as sails: make environmental factors change. For example, blind land reclamation, indiscriminate deforestation, over-encirclement of water surface, and overloading of grasslands will deteriorate environmental quality, produce short-term or long-term effects, and make the ecological balance out of balance; Causes changes in the species of organisms.

In the ecosystem, the blind addition of a species to the slag hail has the potential to disrupt the ecological balance; Disruption of biological information systems. Organisms rely on information connections with each other to maintain their clustering and normal reproduction. The artificial release of certain substances into the environment may disturb or destroy the information communication between organisms, and may cause the ecological balance to be disbalanced or destroyed.

The types of ecological disasters include ozone layer depletion, greenhouse effect, land degradation and desertification, waste pollution and transfer, forest area reduction, biodiversity reduction, water resource depletion, nuclear pollution, noise pollution, and garbage pollution.

Ecological disaster refers to the disaster brought to society and human beings by the destruction of the balance of the ecosystem, and the factors that destroy the ecological balance include natural factors and human factors.

Natural factors include floods, droughts, typhoons, landslides, tsunamis, etc., and the destruction of ecological balance caused by natural factors is called the first environmental problem.

Human factors are the main cause of ecological balance imbalance, including a large amount of waste gas, waste water, garbage, etc., which change biological species and cause damage to biological information systems.

The types of ecological disasters include nuclear pollution, greenhouse effect, land degradation and desertification, waste pollution and transfer, water depletion, biodiversity reduction, noise pollution, garbage pollution, etc.

1. Nuclear pollution: It mainly refers to the damage to the environment caused by the residues of nuclear material leakage, including the pollution caused by nuclear radiation and atomic dust. There is also the secondary pollution caused by the pollution of the environment by these substances, such as the harm to humans and animals caused by water sources contaminated by nuclear substances.

2. Greenhouse effect: The gross effect of the greenhouse front refers to the phenomenon that carbon dioxide, nitrous oxide, methane, and freon high-temperature greenhouse gases are emitted into the atmosphere in large quantities, causing the global temperature to rise.

3. Land degradation and desertification: refers to the process of land quality decline and gradual desertification due to the combined action of human factors such as human factors such as excessive grazing, farming, and indiscriminate deforestation, as well as a series of natural factors.

4. Waste material pollution and transfer: refers to the waste gas, waste liquid, solid waste, etc. discharged from industrial production and residents' lives to nature or to other countries, which seriously pollute the air, rivers, lakes, marine and terrestrial environments, and endanger human health.

5. Water source depletion: Water source depletion is a phenomenon caused by natural or man-made reasons that the water output of the water supply source is reduced or even completely cut off.

Protective measures

1. Local people at all levels shall take effective measures to improve environmental quality in accordance with the protection objectives and governance tasks of the Environmental Protection Department.

2. The development and utilization of natural resources shall be rationally exploited, biodiversity shall be protected, ecological security shall be ensured, and relevant ecological protection and restoration governance plans shall be formulated and implemented in accordance with law.

3. The people at all levels shall strengthen the protection of the agricultural environment, promote the use of new technologies for agricultural environmental protection, strengthen the monitoring and early warning of agricultural pollution sources, and coordinate the measures taken by relevant departments to prevent and control soil pollution and land desertification, salinization, barrenness, rocky desertification, land subsidence, and the prevention and control of vegetation destruction.