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37 terms

Population Ecology

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Population growth relative to other species and factors, not own population
Biotic Potential
amount of population that would grow if there were unlimited resources
70/Current growth rate= time to double population
Equation to double population=
r-strategists
Boom-and-Bust Cycle belongs to
7 Billion
World Population
303 Million
US Population
127 Million
Japan's Population
1.3 billion
China's Population
140 million
Russia's Population
20 Million
Australia's Population
33 Million
Canada's Population
110 Million
Mexico's Population
43 Million
South Africa's Population
1.1 Billion
India's Population
61 Million
UK's Population
(Birth rate-death rate)=
Actual Growth Rate (%)= equation
2+
Replacement Birth Rate is actually because, you have to replace people with out kids, ad make up for kids that die
Availability of Birth Control, Children as labor force, Level of education for women, retirement systems, religious beliefs, culture, traditions
5 important factors in total fertility rates
15-44
Reproductive Age Group
Clean Water, Waste Disposal, Medical Care
3 Significant factors in increase in world human population
Proteins, Carbohydrates, Fats
Macronutrients
Vitamins, Iron, Minerals (ex. Calcium)
Micronutrients
840 million
# People on Earth who are Hungry
1.2 Billion
# of people on earth who are overweight
11 times more space
People in suburbs occupy __ more space
9.7 Hectares
America's Ecological Footprint per capita
I=PxAxT
impact of humans on the environment (equation)
total impact
I
population size
P
affluence
A
level of technology
T
threatened
number of individuals of a species is quite low
endangered
species is in imminent danger of going extinct
Lots of land to survive, low reproductive rates, specialized feeding habits, low population numbers
4 characteristics common to endangered species
1972 Marine Mammal Protection Act
Act Protecting Marine mammals from falling below optimum sustainable population levels
1973 Endangered Species Act Program for protection of threatened plants animals, and their habitats (Act)
Prohibited commerce of those species considered to be endangered or threatened
1973 Convention on International Trade in Endangered Species of Wild Flora and Fauna (CITES)
Bans capture, exportation, or sale of endangered and threatened species