LECTURE 6 / WEEK 7: Human Pop & Resources Flashcards
Name of proposed “new geological age”?
Anthropocene
What’s a “golden spike” as a “horizon” in geological time?
An indicator of mass extinction / end of one major trend & start of another.
What’s the significance of Iridium?
Dust from meteor / or volcanic eruption / that forms a layer on all surfaces – forming a “marker horizon” / potential “new age”
What’s a flood basalt?
Mantle pours out for a million years or more / coating everything in Iridium (marker horizon)
What’s a marker horizon?
indicator of mass change / meteor or volcano / layer of iridium
“Anthropocene” is probably not going to happen, so what age are we in then?
Holocene.
Why do we destroy excess crops?
Keep market price high.
What are the 2 main indicators of pop growth or shrinkage?
Birth rate, death rate.
Aside from births & deaths, what 2 other factors might a demographer look at to see if a pop is growing or not?
Immigration & emigration.
Pop increase results in what? (which then limits the population).
enviro resistance
If you have far more births than deaths, you’re testing the limits of the Earth’s “tolerance” for you, AKA …
Carrying capacity
Highest Pop Density in Canananada which prov?
P.E.I.
What are 3 things in the Industrial Era that allowed the population to grow?
Sanitation, medication, vaccination
1800’s, life expectancy was (approx)
around 40 years or thereabouts
High life expectancy corresponds with access to …
clean drinking water
In the past 100 years, there have been more births and more deaths in Canada. Correct?
No. Fewer births. Less frequent deaths.
The higher your standard of living, the carrying capacity is _____ for people like you.
lower
What’s PPP stand for (related to GDP)
Purchasing Power Parity
What’s Purchasing Power Parity (PPP)?
How much the average person can afford (overlooking currency conversion). International average is $10,000. Much less in Nigeria.
For population to grow, the Total Fertility Rate (TFR) needs to be …
2.1 kids per mother
In what stage of development (after industrial) do people start to wise up and have fewer children?
Stage 4: Post-Industrial
(4 stages) Preindustrial, ________, Industrial, ___________
transitional … post-industrial
Birth & Death rates during Transitional (Stage 2)?
Birth rates remain high. Death rates decrease.