Lecture 10 Flashcards
What does carrying capacity mean
The number of individuals of a species that an ecosystem can support without causing any damage to the ecosystem
What does the human capacity depend on?
Resource consumption
Who is Thomas Robert malthus
A Don and clergyman at oxford university
Malthus was the first person to
Discuss human population
Malthus studied
The population and its effects on society and human happiness
Malthus linked
consequences of population growth to its causes for the first time
Malthus observed that
humans are forced to increase their population by a very powerful instinct to reproduce
What did Malthus realize
That without checks on population growth it will cause us to multiply out of control
Malthus thought that food supply would be limited by what
1) The Arts (now known as the science) of agriculture
2) Finite amount of land available
3) The organization of land ownership
What two types of checks did Malthus create and what did they mean
Positive checks were events for getting rid of people already alive such as war and disease
Preventive checks were all methods which might be used to limit the number of births
Malthus described 5 different Preventive checks, what are they??
a) Contraceptives
b) Abortions
c) Moral Restraint
d) Abstinence
e) Child sacrifice
If population growth outstripped ___ ____ it would lead to _____
Food growth it would lead to poverty
Malthus believed what about poor people
If people remain poor it is their fault for not doing anything about it
What was Malthus an opponent of
Poor laws now known as welfare
What are Neo-Malthusians
People who argue that while Malthus may have been wrong about the timeline and moral issues he was right about having to many people on Earth