Lectures Flashcards Preview

Societal Collapse > Lectures > Flashcards

Flashcards in Lectures Deck (71)
Loading flashcards...
1

How can we use speleothems to show a change in climate?

Absolute carbon dating based on radiation emitted

2

How can friendly neighbours cause collapse?

-Decreased support
-Dependence on a vital import
-Weakening of a trade partner
-Friends who are friends of enimies

3

How can cultural values contribute to collapse?

-Religious views can prevent a society from changing
-Cultural customs may limit a society to one specific area based on limitations of recourses
-Cultural views on power may prevent positive interactions with others

4

What is the difference between Ultimate and Proximate factors?

-Ultimate is the Underlying factors
-Proximate is the final blow

5

What was the environmental catalyst for Norse Greenland societal collapse?

Mini ice age, much colder

6

What are the 4 causes of Norse Greenland demise?

Failure to adapt
Too little too late
Cultural Conservatism
Climate

7

When did the Norse first settle Greenland?

980's, led by Erik the Red

8

When did the Norse disappear from Greenland?

Just after 1410 when the last message was sent

9

What disease did the Norse Greenlanders suffer from?

Middle ear disease, shows poor nutrition

10

What was life expectancy at the end of Norse Greenland?

Less than 30

11

Why did the Norse Greenland population struggle to reproduce?

Death of young females due to poor conditions

12

Compared with the Norse, how did the local natives fare at the time of Norse collapse?

They were flourishing due to correct adaption to climate

13

Why did the Norse fail to adapt?

Cultural views and Christianity, thought that the ways of the Inuit were unholy

14

Where does the name Anasazi mean?

The Ancient Ones

15

Where were the Anasazi located?

South west USA, New Mexico, Utah, Arizona, Colorado

16

How long did the Anasazi live for?

600 years, 600-1200Ad

17

What was the population of the Anasazi?

30,000-100,000 depending on estimates

18

What tragedy in North Italy was caused by a failure to react to a problem?

The Vajont Dam disaster

19

How can crowd phycology lead to collapse?

Following of methods or actions

20

Why did Easter island loose all trees?

Deforested for creation of island statues

21

How can we track the climate of Easter Island?

Using lake varves from 3 volcanic craters

22

Name the 5 main methods for climate dating societal collapse?

Tree rings
Lake Varves
Soeleothems
Coral
Ice Cores

23

Name examples of societal collapse?

Easter Island, Roman, Greek, Aztec, Maya, Anasazi, Egypt, Inca and Norse Greenland

24

Define societal collapse?

The fall of a complex human society?

25

How can lake varves be used to show climate change?

Sediment at the lake bed, light layer = summer and dark layer = winter, the width tell us time period

26

What are the 5 climate characteristics of the Anasazi habitat today?

Fragile ecosystems
Poor soils
Low rainfall
Low plant growth rates
Major droughts

27

What do we know about past Anasazi climates?

Much wetter and milder than today

28

Which Anasazi tribes used higher elevations to survive?

Mongollon, Mes Verde

29

Which Anasazi tribes used lower elevations to survive?

Hohokam

30

Which Anasazi tribes utilised rainfall collection methods?

Hohokam