PPT-Population Growth Curves

Exponential Growth Jshaped curve Logistic Growth Sshaped curve Population ecology Population ecology is the study of populations Population group of individuals of the same species occupying a common geographical area. Image from Wikimedia Commons. Global human population. United Nations . projections (2004) . (. red. , . orange. , . green. ). . U. S. Census Bureau modern (. blue. ) . & historical . (. black. ) . Area. Region . R. . is bounded by the curves . y = 2 – x. 2. and . y = -x. .. Sketch region . R. .. R. What is the area of region . R. ?. Process. To find the area between curves:. Sketch the region defined in the problem.. 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). When drawing, h. ow . do straight lines become curved lines?. Designed for DVI by Camilla S. Haneberg. What is a line anyway?. Line has MANY different meanings: you can wait in line, there is a line of scrimmage in football, line is used in math all the time, it can be a fabricated thought…”can you believe the line that guy used?”. 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. . UNIT V. Introduction. Objects in the real world may not always be made up of regular geometric shapes.. Surfaces are made up of curved surfaces & curved edges.. Curves are quite complicated to represent them in exact mathematical equations.. Assoc.Prof. .. Dr. . Ahmet . Zafer . Şenalp. e-mail: . azsenalp@gmail.com. Mechanical Engineering Department. Gebze. Technical University. ME 521. Computer. . Aided. . Design. . Curves are the basics for surfaces. Bob the Builder Example. Cost Curves: Bob the Builder Example. Total Cost. To employ Bob to work the firm needs to pay $420. Every additional worker is $420. Bricklayer. Total Cost. 1. $420. 2. $840. Solutions. Global pop Growth Rate: Sample 1. Population growth rate – . Population growth rate – . (20 - 8). 10. Worldwide, there were 20 births and 8 deaths per 1,000 in 2009. Calculate the growth rate of the . Anchor rates based on literature review. The “anchor rates” were the rates of percent Total Phosphorus removal based on the runoff treated in inches as was derived from the expert panel literature review. . 1. Which statement accurately describes the mathematical relationship between the intensity of a sound and the decibel rating? 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. Most . populations . live together in clumps or patches.. Populations can grow, shrink, or remain stable. Population Dynamics. Age Structure. – proportions of individuals at various ages. Population Density. Course Objectives. Define the following ecological terms: Population, population density, community, population distribution, diversity, Limiting factors, resources, biotic potential (. r ), . carrying capacity .