human population dynamics Flashcards
1
Q
previously
A
- population size was stable
- mortality rates were relatively high
2
Q
what has caused growth in the population?
A
- reduced environmental resistance
- increased carrying capacity
- food yield increase
- disease treatments
3
Q
more developed countries
A
- slow population growth
- high standard of living
- environmental pressures
- pollution
- consumption
- hazardous waste
4
Q
less developed countries
A
- rapid population growth
- ## lower standard of living
5
Q
future
A
- less exponential growth
- stable population (MDC) : contraception
- continued growth (LDC) : medical advancements
6
Q
population pyramid
A
- pred-reproductive
- reproductive
- post-reproductive
7
Q
rapid growth
A
- normal pyramid shape
- little old
- many young
8
Q
stable population
A
- low death rate
- relatively the same young and old
9
Q
declining population
A
- few young
- more older and middle aged
10
Q
population graphs purpose
A
- quick access to rapidity of growth
- development
- age range
- history of growth
- economic dependants
11
Q
population change
A
- HIV / AIDS
- immigration and emigration
- war
- economic crisis
12
Q
carbon footprint
A
- carbon emissions from fossil fuels
- food sources
- quantity of living resources
- land
13
Q
ecological footprints
A
- ecological deficit of 0.6 global hectares per person : deficit is called ecological debtor country
- MDC have ecological deficit
- MDC largest ecological footprint
- ## LDC use little of world’s resources
14
Q
need for land versus conservation
A
- towns and cities : education centres but take agricultural land and pollute
- agriculture, forestry and mining : alter natural environment, cause environmental degradation
15
Q
conservation of land a marine environments
A
- Kalaharie Gemsbok National Park
- Addo National Elephant park
