Population Ecology

37 terms by jnncraig93 

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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

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