Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Gen ENVi > midterms land degredation > Flashcards

midterms land degredation Flashcards

gigi

1
Q

_______ is the basis for agriculture and other rural and urban land uses, encompassing soils, climate, vegetation, topography, and other natural resources.

A

Land

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Destruction of the Earth’s surface and soil, directly or indirectly because of human activities

A

Land degradation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Causes of land degradation include (d,d,m,ss,us) __________________________________________________

A

deforestation, desertification, mining, soil salinization, and urban sprawl.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

is the massive removal of a forest or the clearing of vast forest areas either for lumber source, conversion to agricultural lands, or for urbanization.

A

Deforestation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

It is the biggest threat to all forests nationwide.

A

Deforestation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

According to the ___________forest degradation occurs when forest ecosystems lose their capacity to provide important goods and services to people and nature.

A

International Union for Conservation of Nature (IUCN),

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Since 1960, over half of ___________ have been destroyed (IUCN).

A

tropical rainforests

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Causes of Deforestation

A
  1. Agriculture
  2. Urbanization
  3. Timber Extraction
  4. Anthropogenic Climate Change
  5. Social and Political
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

conversion of forest into lands into agricultural lands for crops and livestock
arming to meet the growing food demands of an exponentially increasing global population

A

Agriculture

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

clearing of forests to give way to settlements and infrastructure projects such as the building of roads, bridges, railways, airports, and power generation and transmission.

A

Urbanization

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What causes of deforestation?

the global demand for timber has supported illegal and unsustainable logging in various forests of the world

A

Timber Extraction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What causes of deforestation?

climate change has brought severe and frequent droughts, hurricanes and tropical storms, heatwaves, and fires that destroyed forests worldwide although these are natural phenomena, the change in the normal cycle of the climate is due to human activities

A

Anthropogenic Climate Change

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What causes of deforestation?

Lack of discipline and responsible demand on trades on the part of communities

A

Social and Political

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What causes of deforestation?

Failure of the government to implement environmental laws due to incompetence or corruption

A

Social and Political

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Effects of Deforestation (A,SEF,RAH,LHB)

A
  1. Anthropogenic Climate Change
  2. Soil Erosion and Flooding
  3. Reduced Air Humidity
  4. Loss of Habitat and Biodiversity
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Dealing with Deforestation

A
  1. Reforestation and Afforestation
  2. Forest Landscape Restoration (FLR)
  3. The Power of the Marketplace
  4. Changing the Politics
  5. Standing with Indigenous Peoples
17
Q

________________ or also known as the NIPAS Act

A

The National Integrated Protected Areas System Act of 1992 (Republic Act No. 7586)

18
Q

Companies can make an impact by introducing and implementing ________________ policies that clean up their supply chains

A

“zero deforestation”

19
Q

they are the best protectors of forests, thus the best way to save forests is to recognize the claims of________________ to their forest territories

A

indigenous peoples

20
Q

Is another form of land degradation that occurs in arid, semi-arid, and dry sub-humid areas.

A

Desertification

21
Q

It is characterized by the loss of soil moisture and nutrient rich topsoil to the point where the land loses its productivity or ability to produce vegetation.

A

Desertification

22
Q

Causes of Desertification

A
  1. Overgrazing
  2. Anthropogenic Climate Change
  3. Deforestation
  4. Unsustainable Farming Methods
  5. Overuse of Groundwater
23
Q

Effects of Desertification

A
  1. Decrease in Crop Yield
  2. Loss of Habitat and Biodiversity
  3. Migration and Overpopulation
24
Q

occurs when too many animals graze for too long, exceeding the ability of a grassland
area to support them

A

Overgrazing

25
Q

This is the major cause of desertification worldwide

A

Overgrazing

26
Q

Soil erosion due to _________ removes the nutrient rich topsoil, converting a productive land to a barren land

A

deforestation

27
Q

Over ______- the soil dislodges soil particles, making them vulnerable to erosion and eventually lose soil nutrients and ability to store water

A

tilling

28
Q

Dealing with Desertification

A
  1. Rotational Grazing
  2. Better Farming Methods
  3. Reforestation
  4. Sustainable use of Ground Water
  5. Decrease Greenhouse Gas emissions
29
Q

Irrigation water contains various dissolved salts picked up as water flows over or through rock and soil. This is called _________________

A

soil salinization.

30
Q

___________ starts by attempting to wash the salts out of the topsoil by pumping more water.

A

Water logging

31
Q

This is the process of extracting precious minerals and other geological materials from the earth.

A

Mining

32
Q

_______________ involves stripping the land of its vegetation and soil, resulting to severe erosion.

A

Surface mining

33
Q

_________________ involves the digging of shafts and tunnels, often with the aid of explosives. This could trigger the formation of sinkholes.

A

Underground mining

34
Q

This refers to the rapid expansion of a city into the countryside around the city.

A

Urban Sprawl

35
Q

___________ leads to loss and fragmentation of habitat due to the building of new settlements and infrastructure projects.

A

Urban sprawl

36
Q

To reduce the use of automobiles, residential and commercial areas should be built around mass transit networks, called ______________

A

transit villages.

37
Q

________ can also be developed wherein communities actively participate in re- greening movements and maintain ecological sustainability.

A

Ecovillages

38
Q

T or F

Overuse of chemical fertilizers and pesticides alters the chemical balance of the soil, making it inhospitable for plant growth

A

T

Gen ENVi (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions