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Limits to Population Growth and Predicting the Impact of Human Population Growth

Limits to Population Growth and Predicting the Impact of Human Population Growth. Elena Velez, Alyssa Rusch hr2. Limiting factors are things or circumstances that prevent a species or population from increasing.

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Limits to Population Growth and Predicting the Impact of Human Population Growth

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  1. Limits to Population Growth and Predicting the Impact of Human Population Growth Elena Velez, Alyssa Rusch hr2

  2. Limiting factors are things or circumstances that prevent a species or population from increasing. Carrying capacity is when a population or species exceeds an environments capacity to uphold or "house" the species. Limiting factors and Carrying capacity

  3. Density; dependant and independant factors • Density dependant factors reduce and cut back the population and regulate it's size.  • Density independant factors are those that affect a species carrying capacity through natural causes.

  4. Growth happens in cycles: factors include birthrates, deathrates, predators, a species fertility rate, natural conditions and/or environmental contributors. Causes of population growth cycles             

  5. History of Human Population  -  Disease, wars, lack of food poor living conditions, and lack of sanitation.  + Better sanitation, more accessible food supply, medical breakthroughs and increased technology.

  6. Nation's age structure affects population growth • Age structure of a population is the proportion of people in different age groups. •  If a country or environment is improving, the age structure changes.

  7. supplementary articles Population Growth and how it affects our everchanging world equilibrium and harmony in our surrounding environment.

  8. Citations: 1999, Late. "Human Populations." The Global Change Program at the University of Michigan. Web. 26 May 2010. http://www.globalchange.umich.edu/globalchange2/current/lectures/human_pop/human_pop.html. Time, That. "Population Profile of the United States." Census Bureau Home Page. Web. 26 May 2010. http://www.census.gov/population/www/pop-profile/natproj.html. Limiting Factors. (2002). International hunter education association. Retrieved (2010, May 26) from http://homestudy.ihea.com/wildlife/09limits.htm Topic: Density Independent Factors. (2010). Ask. Retrieved (2010, May 26) from http://www.ask.com/questions-about/Density-Independent-Factors Olen Cowgill, D. (n.d.). The American journal of sociology, vol. 55, no. 2 (sep., 1949), pp. 163-170. The University of Chicago Press, Retrieved from http://www.jstor.org/stable/2770894 Winstead, R. (n.d.). Population regulation. IUP Biology, Retrieved from http://www.nsm.iup.edu/rwinstea/popreg.shtm King, D. (n.d.). Population growth and biodiversity. The Rewilding Institute, Retrieved from http://rewilding.org/rewildit/our-programs/population-growth/

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