Population and the Environment Flashcards
What is arable farming
Flat land, high quality, cereal and root crops
What is Pastoral farming
Livestock rearing, semi-desert
What is Mixed farming
Arable and livestock, common form
What is intensive farming
fruit, flower, vegetable production
What is commercial farming
Crops produced for commercial use
What is extensive farming
low inputs
low yields
What is subsistence farming
Farmers produce for themselves
Define population density
the average number of people per 1000km2
Which physical elements determine population growth
Climate
soils
Water supply
Geology
What are asylum seekers
People who leave their home country as a political refugee
What are communicable diseases
Diseases which can be transmitted between organisms
What is Boserups theory
suggests that population growth can drive technological advancements and agricultural intensification, leading to increased food production and a higher carrying capacity for the Earth
What is a cover crop
Crops used to cover the soil to help restore nutrients
Define Destertification
Once fertile land becomes desert like.
what is the epidemiological transition
Shows the change in disease patterns over time as society develops
What is food insecurity
Not having access to sufficient or adequate food
What is the green revolution
The change is agricultural practises in many parts of the world
What are gullies
Deep channels created by erosion
Describe Malthus’s view
Technology and development would not be able to cope with the growth of the human population, resulting in a decline of the carrying capacity
What is mortality rate
