POPULATION BASICS
This term refers to the number of individuals per unit area.
What is population density?
What is the shape of the curve of population growth under ideal conditions?
What is a J-shaped curve
The movement of people from rural areas to densely populated cities.
What is urbanisation
Agriculture that produces food mainly for the farmer and family.
What is subsistence agriculture? [L7_Agricul...July 2024 | PDF]
The cultivation of a single crop over a large area.
What is monocropping (monoculture)
Four factors determine changes in population size. Two are births and deaths. What are the other two?
What are immigration and emigration?
What is the maximum rate at which a population can increase under ideal conditions called?
What is biotic potential
Cities attract people because they offer jobs, education, innovation, culture and trade. These are examples of what type of factor?
What are pull factors?
Agriculture characterised by mechanisation, synthetic fertilisers, pesticides and irrigation.
What is industrialised agriculture?
This term describes the build-up of contaminants within the tissues of an organism.
What is bioaccumulation
The average number of children born per woman in Jamaica was about 4.5 in 1975 but dropped to about 2.06 in 2021. What is this statistic called?
What is fertility rate?
This term refers to the maximum number of individuals that can be sustained indefinitely in an area.
What is carrying capacity?
Unemployment, mechanised agriculture and lack of rural investment are examples of these factors encouraging migration to cities.
What are push factors?
Agriculture that attempts to produce food while protecting the environment.
What is sustainable agriculture
The most water-efficient irrigation method discussed in the lecture.
What is drip irrigation?
Movement of individuals out of a population.
What is emigration?
High rates of resource use per person, especially in more developed countries, are known as this.
What is overconsumption
This 1991 Act established the NRCA to help ensure effective management of Jamaica's physical environment.
What is the Natural Resources Conservation Authority (NRCA) Act?
Shifting cultivation, fallow periods, mixed cropping and labour-intensive practices are characteristics of this type of agriculture.
What is subsistence agriculture?
Crop cultivation with little or no soil disturbance is known as this soil conservation method.
What is conservation tillage (or no-till farming)
A country has a birth rate of 18 per 1,000 people and a death rate of 8 per 1,000 people. Assuming no migration, what is the population growth rate?
What is 10 per 1,000?
True or False: The likelihood of predation and competition increases as population density increases.
True.
This Act is the primary law governing land use in Jamaica and appears in both lectures.
What is the Town and Country Planning Act (1958)
This transformation in agricultural practices aimed to eradicate famine and increase food production by shifting from subsistence to industrialised agriculture.
What is the Green Revolution?
A pest control programme uses predators first and pesticides only when necessary. What approach is this?
What is Integrated Pest Management (IPM)