PPT-What is a population?

What is population health Epidemiology matters a new introduction to methodological foundations Chapter 2 A brief introduction to the graphical notation used in Epidemiology Matters Epidemiology Matters Chapter 2. 1 Introduction 2 Demographic and other assumptions 3 Indicators from Spectrum Those born before 1950 are members of the first generation in history to wit ness such a doubling during their lifetime Stated otherwise more people have been added to the worlds population since 1950 than during the 4 million preceding years since 03 Population over 60 2012 919 Life expectancy at birth 2012 Total Male Female 79 Both sexes 76 Male 83 Female Neonatal mortality rate per 1000 live births 2012 11 717 Both sexes Under5 mortality rate per 1000 live births 2012 18 1324 Both sexes Mat Stephen J. Dinsmore. 1. and Douglas H. Johnson. 2. 1. Department of Natural Resource Ecology and Management, Iowa State University, Ames, IA. and. 2. USGS- Northern Prairie Wildlife Research Center, St. Paul, MN. • How many people live on the . earth.. • Where do they . live.. • Why do they . move.. • What does the future look . like.. World Population:. 7,045,230,000. +. Where do. most people . live?. http://www.geographyalltheway.com/igcse_geography/population_settlement/population/jelly_baby_population.htm. You are going to complete a scatter graph on the computer or graph paper using the data and instructions provided.. Population structure . in case-control studies. Population consists of underlying subpopulations.. Disease prevalence different between subpopulations.. Cases preferentially ascertained from specific subpopulations.. 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.. What is population?. Group of individuals of the same species that live in the same area. Does population change?. Sea otters, kelp, and sea urchins. Kelp forests offer a habitat for sea otters. Sea urchins feed on kelp. Overpopulation: Proponents and Critics . Malthus Basics. Idea: late 1700’s. During this time (before the industrial revolution) he predicted that the growing population would eclipse the available food supply. . Environmental Science. 9.1 Studying Human Populations. The human population has grown . faster. . in the . 20th. . century than it has ever before.. This rapid growth has led to . environmental problems. Population pyramids are used by demographers as a tool for understanding the make-up of a given population, whether a city, country, region, or the world. . A Population Pyramid is a graph that . shows the age-sex distribution of a given population. is concerned with the question of whether a particular allele or genotype will become more common or less common over time in a population, and Why.. Example: . Given that the CCR5-. D. 32 allele confers immunity to HIV, will it become more frequent in the human population over time?. SW: discuss with their groups how estimating a population could be used in a real world situation.. Population Ecology. Measuring a population. Growth Curves. Biotic Potential vs. Environmental. Resistance.