Land Cover Change - Overview

Question 1

abiotic

Answer 1

the non-living components which consists of climatic features, inorganic substances and other substances

Question 2

producers

Answer 2

known as autotrophic organisms, convert solar energy into chemical energy

Question 3

consumers

Answer 3

known as heterotrophic organisms, are reliant on other organisms for nutrients

Question 4

decomposers

Answer 4

are heterotrophic organisms which break down dead organic matter and waste matter

Question 5

biome

Answer 5

a large naturally occurring type of environment

Question 6

anthropogenic biomes

Answer 6

a global ecosystem unit defined by global patterns of sustained direct human interaction with ecosystems

Question 7

Land use

Answer 7

type of human activity created in biomes

Question 8

agricultural environment

Answer 8

plant and animal farming in order to sustain and enhance human life

Question 9

urban environment

Answer 9

an area of concentrated settlement forms

Question 10

land cover change

Answer 10

the changes that have taken place to natural environments due to a variety of natural and/or human induced causes

Question 11

biodiversity

Answer 11

refers to the number, type and variety of living organisms found within an environment

Question 12

climate change

Answer 12

the long term permanent shift in some or all parts of weather conditions experienced in an area

Question 13

sustainability

Answer 13

meeting the needs of current and future generations through simultaneous environmental, social and economic adaption and improvement

Question 14

what percentage of people live in urban areas

Answer 14

54%, expected to be 70% by 2050

Question 15

how much of the earths surface do forests cover

Answer 15

30%, estimated 7.3 million hectares of forest lost each year

Question 16

rate of rainforest land cover change

Answer 16

20 football fields lost every minute

Question 17

how much of the amazon rainforest is expected to be lost by 2030

Answer 17

50%

Question 18

role of forest land cover

Answer 18

provides oxygen, absorbs carbon dioxide, regulates earths temperatures and weather patterns, provides habitat for up to 80% of the worlds terrestrial biodiversity

Question 19

how much of the worlds land is used for agriculture

Answer 19

38%

Question 20

palm oil plantation changes

Answer 20

(Indonesia) increased from 2 million hectares in 1995 to 9 million hectares in 2011

Question 21

affluence

Answer 21

having a great deal of money and wealth

Question 22

world population growth is currently

Answer 22

140 people per minute

Question 23

estimated world population by 2050

Answer 23

9 billion

Question 24

how much of the worlds population holds how much of the worlds wealth

Answer 24

1% of the population holds 50% of the worlds wealth

Question 25

higher affluence in a country means

Answer 25

there is a higher demand for resources, food, consumer products and technology.

Question 26

how much of the worlds population consumes how much of the worlds resources

Answer 26

20% of the worlds population consumes 80% of the worlds resources

Question 27

processes of land cover change

Answer 27

growth of urban settlement and urbanisation, deforestation, land reclamation, expansion and intensification of agriculture, land and soil degradation, rangeland modification, industry and mining, irrigation

Question 28

how much land is cleared due to deforestation each year

Answer 28

74,000 - 93,000 square km's

Question 29

how much of the worlds arable land has been lost from degradation since 1960

Answer 29

one third

Question 30

factors affecting the processes of land cover change across countries

Answer 30

population size and density, economy, government, land ownership, cultural views

Question 31

one of Australia's policies to protect environment

Answer 31

The environment protection and biodiversity conservation act 1999