ISB 202 12-2-08 - • “fertility rate” number of...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
ISB 202 12-2-08 Human growth rate is at 5% “R” species are opportunits Specialist-has a narrow niche Generalists- has a wide niche; can live in many places Simple equation for env’l impacts of humans= P x A x T o P=population o A= amount (units of resources) used per person o T= level of technology (amount of degradation/unit of resource used) High: as in developed counties and energy use Low: as in developing countries and deforestation *** there is a strong correlation between population, poverty and environmental degradation Net gain ~ 2.5 people/ per second every day ** the decrease in death rates has contributed the most to population growth over the past 100 years “carrying capacity” – the ability to produce food on land
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: • “fertility rate”- number of children/female • Is the population growth the same for all countries? o For developed countries it is 2.1 o For developing countries it is 2.5 • Children are the “social security” of people in many countries • If you increase the level of women education they have less children • Women produce 50-80% of the food in developing countries • Troposphere- the lowest level of our atmosphere • It is a north/south problem, the north is producing way more ***********Where you live? Name, student number, where the nearest landfill is; 1 pts • Methane is 400* •...
View Full Document

This note was uploaded on 04/21/2011 for the course ISB 202 taught by Professor Johnson during the Fall '08 term at University of Michigan.

Page1 / 2

ISB 202 12-2-08 - • “fertility rate” number of...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online