Quiz One Flashcards

(26 cards)

1
Q

RNI

A

Rate of Natural Increase
(CBR - CDR)
/ 1000, expressed as percent

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2
Q

Doubling Time

A

Time expressed in years for a population to double

70 / RNI

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3
Q

Demographic Transition Model

A

Tracks progress of countries

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4
Q

Pre-Industrial Stage (1)

A

High birth rate and death rate, fluctuating

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5
Q

Transitional Stage (2)

A

Both numbers are stabilizing, both decrease.

Food production, and medical care

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6
Q

Industrial Phase (3)

A

Birth rates decline

Increased care for women and birth control

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7
Q

Post-Industrial Phase (4)

A

Numbers are fluctuating again, but are low. Increased

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8
Q

Population Pyramids

A

DevelopED nations are skinny and rectangular

DevelopING nations are wide-based, skinny at the top, which means people die earlier.

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9
Q

Failing state

A

40% of the population is 15 y/o

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10
Q

Systemic Approach

A

Aims to see how humans impact the environment, more modern way to see geography.

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11
Q

Four Spheres

A

Biosphere, Lithosphere, Atmosphere, Hydrosphere

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12
Q

Lovelock

A

James Lovelock stated that we haev managed to damage all components of Gaia
Believes hundreds of people are going to die.

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13
Q

Marguilis

A

Gaia theory, stated that earth works on its own homeostasis level

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14
Q

Technosphere

A

Majority of technology that humans have produced

Industry, Agriculture, Transportation, Urbanization

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15
Q

Open system

A

Can transfer energy AND matter

car

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16
Q

Closed system

A

Does not receive or distribute matter.

17
Q

Feedback - Positive v Negative

A

Positive amplifies, negative reduces.

18
Q

Equilibrium - Steady-state v Dynamic

A

Low or high fluctuation through the average state

19
Q

Threshold

A

If feedback loops go past a certain state, then the loop will operate on a different level.

20
Q

Ecosphere

A

Main four spheres

21
Q

Relative Time Scale

A

Based on sequencing of superposition

22
Q

Absolute Time Scale

A

Radiometric, carbon dating

23
Q

Rapa Nui

A

No resources
All the trees are dead
Extreme deforestation

24
Q

Anthropocene

A

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