economic activity and energy

pre industrial

primary sector dominates

secondary and tertiary increase

industrial

secondary and tertiary increase

industrialisation

decrease in primary

deindustrialisation

decrease in secondary

factors influencing location of sectors

raw materials

cheap land

transport

labour

government

primary sector needs

good market distance

good climate

secondary sector needs

land

energy

labour

tertiary sector needs

land

energy

transport

labour

quaternary sector needs

land

labour

energy

CBD

central business district

CBD needs/has

high pop density

easy access

high land value

primary sector

extraction of raw materials

secondary sector

materials are processed to produce a finished product

tertiary sector

provides a service

quaternary

research and development

reasons for changes in sector employment

raw materials

tech

globalisation

government

population changes

informal employement

unregulated work

causes of informal employment

high rural to urban migration

low wage

lack of education

avoid tax

surplus labour

surplus labour leads to

underemployment

informal employment can lead to

paratransit

sector shifts

changes in importance of sectors as a country develops

Mathus

population is faster than food supply so high death rate

Boseup

high population , more food production due to technology

non renewable

will run out (finite)r

renewable

infinite

causes of increase energy demand

population growth

increase in industry

transport

wealth

urbanisation

energy security

where a country meets all of its energy needs within own boarders

energy gap

country cannot meet demand for energy using own resources

renewable energy sources

hydroelectric

tidal

solar

geothermal

biomass

wind

non renewable

coal

gas

oil

nuclear

non renewable disadvantages

causes air pollution

respiratory problems

renewable disadvantage

expensive , large amount of energy needed

geothermal gives out

sulphuric gases

individual energy management

public transport

double glazing

solar panels

wear layers

devices on hibernate

smart meter

national energy management

encourage electric car use

invest in renewable tech

invest in public transport

educate