PPT-Lecture 2: Population growth rates

Arc of the course Intro Biodiversity is important for ecosystem function Many causes for the loss of biodiversity Module 1 population growth Module 2 habitat loss and protection Module 3 climate . Image from Wikimedia Commons. Global human population. United Nations . projections (2004) . (. red. , . orange. , . green. ). . U. S. Census Bureau modern (. blue. ) . & historical . (. black. ) . Introduction to linking demography, population growth and extinction due to climate warming. What is Population Ecology? . Goal is to understand . factors. and . processes. that govern . abundance. Image from Wikimedia Commons. Global human population. United Nations . projections (2004) . (. red. , . orange. , . green. ). . U. S. Census Bureau modern (. blue. ) . & historical . (. black. ) . SWBAT compare the factors affecting animal populations to human populations . Why should you study human populations and their growth?. Bellwork. Demography. . is the study of the characteristics of populations, especially human populations.. Issues. 71% of people have no sanitation facilities. 57% have no access to safe water. 57 million children under 5 are malnourished. 1.2 million ‘under 5’s’ die each year. 350 million people live on less than $US1 a day. Chapter 2 Key Issue 3. Earth. ’. s Population History. 1 billion reached circa 1830. 2 billion reached 1930 (100 years later). 3 billion reached 1959 (29 years later). 4 billion reached 1974 (15 years later). 2) What are some things he mentions that can slow human population growth?. 3) How does increasing child survivability decrease population growth?. A . city experiences 12 deaths for each thousand people. What is the death rate (as a percentage and per thousand. Chapter 6. and. Chapter 23-4. The Human Population Over Time. The time it takes our population to double has decreased sharply.. It only has taken about 12 years to go from 6-7 billion people. . We are projected to hit 9 billion near the year 2050.. Population. Human Geography . by Malinowski & Kaplan. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.. 3-. 1. Chapter 3 Modules. 3A Population . Growth in the Past. An interbreeding group of the . same species. living in the same general area. may be distinguished by natural or . . arbitrary boundaries. Population Density vs Dispersion. the number of individuals per unit area or volume. 8B – People Paradox. 8C – Land Use & Urbanization. 8D – Health & Hazards. Chapters 8, 9 and 10. Unit 8 Vocabulary Terms – 28 terms . Affluent society. Heat island. Risk assessment. Bioaccumulation. A country’s stage of demographic transition gives it a distinctive population structure.. Population in a country is influenced by the demographic transition in two important ways:. % of pop in each age group. Population Sizes Throughout History:. The main cause of our rapid population increase is the decrease in the death rate. With new medicines and technologies, people around the world are living healthier, longer lives.. Introduction to linking demography, population growth and extinction due to climate warming. What is Population Ecology? . Goal is to understand . factors. and . processes. that govern . abundance.