ISB 202 12-2-08 - fertility rate- number of children/female...

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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
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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*...
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ISB 202 12-2-08 - fertility rate- number of children/female...

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