Flashcards in Quiz One Deck (26):
1
RNI
Rate of Natural Increase
(CBR - CDR)
/ 1000, expressed as percent
2
Doubling Time
Time expressed in years for a population to double
(70 / RNI)
3
Demographic Transition Model
Tracks progress of countries
4
Pre-Industrial Stage (1)
High birth rate and death rate, fluctuating
5
Transitional Stage (2)
Both numbers are stabilizing, both decrease.
Food production, and medical care
6
Industrial Phase (3)
Birth rates decline
Increased care for women and birth control
7
Post-Industrial Phase (4)
Numbers are fluctuating again, but are low. Increased
8
Population Pyramids
DevelopED nations are skinny and rectangular
DevelopING nations are wide-based, skinny at the top, which means people die earlier.
9
Failing state
40% of the population is 15 y/o
10
Systemic Approach
Aims to see how humans impact the environment, more modern way to see geography.
11
Four Spheres
Biosphere, Lithosphere, Atmosphere, Hydrosphere
12
Lovelock
James Lovelock stated that we haev managed to damage all components of Gaia
Believes hundreds of people are going to die.
13
Marguilis
Gaia theory, stated that earth works on its own homeostasis level
14
Technosphere
Majority of technology that humans have produced
Industry, Agriculture, Transportation, Urbanization
15
Open system
Can transfer energy AND matter
(car)
16
Closed system
Does not receive or distribute matter.
17
Feedback - Positive v Negative
Positive amplifies, negative reduces.
18
Equilibrium - Steady-state v Dynamic
Low or high fluctuation through the average state
19
Threshold
If feedback loops go past a certain state, then the loop will operate on a different level.
20
Ecosphere
Main four spheres
21
Relative Time Scale
Based on sequencing of superposition
22
Absolute Time Scale
Radiometric, carbon dating
23
Rapa Nui
No resources
All the trees are dead
Extreme deforestation
24
Anthropocene
Time when humans affected the environment the most
Agricultural revolution
25
Natural resources
Existed before humans
Socially constructed
Derivative of the four spheres
26