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Species Diversity and Mining: Impacts and Restoration

Description: Species Diversity and Mining: Impacts and Restoration
Number of Questions: 15
Created by:
Tags: biodiversity mining environmental impact restoration
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What is the primary impact of mining on species diversity?

  1. Habitat destruction

  2. Pollution

  3. Climate change

  4. Overexploitation


Correct Option: A
Explanation:

Mining activities often involve the removal of large areas of natural habitat, which can lead to the loss of plant and animal species that rely on that habitat for survival.

Which of the following mining methods is considered to be the most environmentally friendly?

  1. Open-pit mining

  2. Underground mining

  3. Mountaintop removal mining

  4. Placer mining


Correct Option: B
Explanation:

Underground mining involves extracting minerals from beneath the Earth's surface, which minimizes the impact on surface ecosystems. In contrast, open-pit mining, mountaintop removal mining, and placer mining all involve the removal of large areas of land, which can lead to significant environmental damage.

What is the term used to describe the process of restoring an area that has been damaged by mining?

  1. Reclamation

  2. Reforestation

  3. Remediation

  4. Restoration


Correct Option: D
Explanation:

Restoration is the process of returning a damaged area to its natural state. In the context of mining, restoration involves activities such as replanting vegetation, restoring water flow, and reintroducing wildlife to the area.

Which of the following is NOT a common method used to restore mined land?

  1. Planting native vegetation

  2. Creating wetlands

  3. Using chemical fertilizers

  4. Reintroducing wildlife


Correct Option: C
Explanation:

Chemical fertilizers are not typically used in the restoration of mined land, as they can have negative impacts on the environment. Instead, organic fertilizers or compost are often used to improve soil quality and support plant growth.

What is the main goal of restoring mined land?

  1. To improve the aesthetic appearance of the area

  2. To create a safe and stable environment

  3. To support the return of native plant and animal species

  4. To generate revenue from the sale of the land


Correct Option: C
Explanation:

The primary goal of restoring mined land is to create a sustainable ecosystem that can support the return of native plant and animal species. This involves restoring the natural habitat and providing the necessary resources for these species to thrive.

Which of the following is NOT a potential benefit of restoring mined land?

  1. Improved water quality

  2. Reduced erosion

  3. Increased biodiversity

  4. Generation of greenhouse gases


Correct Option: D
Explanation:

Restoring mined land typically does not lead to the generation of greenhouse gases. In fact, it can help to reduce greenhouse gas emissions by sequestering carbon dioxide from the atmosphere through the growth of vegetation.

What is the term used to describe the process of removing toxic chemicals from soil and water?

  1. Reclamation

  2. Reforestation

  3. Remediation

  4. Restoration


Correct Option: C
Explanation:

Remediation is the process of removing toxic chemicals from soil and water. It is often used to clean up contaminated sites, such as those that have been affected by mining activities.

Which of the following is NOT a common method used to remediate soil contaminated by mining?

  1. Phytoremediation

  2. Bioremediation

  3. Chemical remediation

  4. Landfilling


Correct Option: D
Explanation:

Landfilling is not a common method used to remediate soil contaminated by mining. Instead, methods such as phytoremediation, bioremediation, and chemical remediation are often used to remove toxic chemicals from the soil.

What is the main challenge in restoring mined land?

  1. The high cost of restoration

  2. The lack of available technology

  3. The difficulty in reintroducing native species

  4. The resistance of local communities


Correct Option: C
Explanation:

The difficulty in reintroducing native species is often the main challenge in restoring mined land. This is because many native species have been lost from the area due to habitat destruction and other factors. As a result, it can be difficult to find suitable species to reintroduce and to ensure that they will survive in the restored habitat.

Which of the following is NOT a potential consequence of mining on water resources?

  1. Water pollution

  2. Water scarcity

  3. Increased water flow

  4. Habitat loss for aquatic species


Correct Option: C
Explanation:

Increased water flow is not a typical consequence of mining. In fact, mining activities can often lead to water scarcity and water pollution.

What is the term used to describe the process of planting trees on a large scale?

  1. Reforestation

  2. Afforestation

  3. Deforestation

  4. Revegetation


Correct Option: A
Explanation:

Reforestation is the process of planting trees on a large scale, typically in areas that have been deforested or degraded. It is often used to restore forest ecosystems and to provide a variety of environmental benefits, such as carbon sequestration, water filtration, and habitat for wildlife.

Which of the following is NOT a common method used to reforest mined land?

  1. Planting seedlings

  2. Direct seeding

  3. Using vegetative cuttings

  4. Using chemical fertilizers


Correct Option: D
Explanation:

Chemical fertilizers are not typically used in the reforestation of mined land, as they can have negative impacts on the environment. Instead, organic fertilizers or compost are often used to improve soil quality and support plant growth.

What is the main challenge in reforesting mined land?

  1. The high cost of reforestation

  2. The lack of available seedlings

  3. The difficulty in establishing trees in poor soil conditions

  4. The resistance of local communities


Correct Option: C
Explanation:

The difficulty in establishing trees in poor soil conditions is often the main challenge in reforesting mined land. This is because mining activities can leave the soil compacted, acidic, and nutrient-poor. As a result, it can be difficult for trees to take root and grow in these conditions.

Which of the following is NOT a potential benefit of reforesting mined land?

  1. Improved air quality

  2. Reduced erosion

  3. Increased water pollution

  4. Habitat for wildlife


Correct Option: C
Explanation:

Increased water pollution is not a typical benefit of reforesting mined land. In fact, reforestation can help to reduce water pollution by filtering runoff and preventing erosion.

What is the term used to describe the process of introducing or reintroducing species to an area?

  1. Reintroduction

  2. Translocation

  3. Acclimatization

  4. Naturalization


Correct Option: A
Explanation:

Reintroduction is the process of introducing or reintroducing species to an area. It is often used to restore populations of species that have been lost or declined due to human activities, such as habitat destruction or hunting.

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