Quiz One Flashcards Preview

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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

Developmental Timeline

H&G (Lasted forever on the scale)
Sedentary Lifestyle
Industrial