PPT-0 Population Ecology

Population ecologists are primarily interested in understanding how biotic and abiotic factors influence the density distribution size and age structure of populations the overall vitality of a population of organisms. Image from Wikimedia Commons. Global human population. United Nations . projections (2004) . (. red. , . orange. , . green. ). . U. S. Census Bureau modern (. blue. ) . & historical . (. black. ) . The scientific study of the distribution and abundance of organisms and the interactions that determine distribution and abundance. Begon. , Harper, Townsend, 2006, Ecology, Blackwell. Lecture outline. Chapter 4 Section 1. Levels of Ecological Organization. Ecologists study life at many levels.. Ecology is the study of how organisms interact with each other and their environments . . Individual Species/Organism. BIOL 7083. Community Ecology. Robert H. MacArthur:. Life, Work, and Legacy. Biographical Sketch. Robert H. MacArthur. April 2, 1930 – November 1, 1972. Personal Background. Born in Toronto, Ontario. Viengkham. District, . Luang. . Prabang. Province, . RDP Laos.. National multi stakeholder workshop “towards an agroecology transition”. 2. nd. to 3. rd. of June 2016.  . 1. Limiting pressure on environment, . Population. ecology. Community. ecology. Ecosystem. ecology. Landscape. ecology. Global. ecology. Introduction to Ecology . Populations. Population ecology. Abundance. Dynamics . Density, dispersion, demographics, interrelationships with other populations. Water on Earth. Uneven Global Distribution of Fresh Water. Definitions by Wetzel (2001). see page 4. Limnology. Freshwater Ecology. Freshwater Biology. Theories of Ecology. Taken from . Dodds. (2009). Natural Selection. This includes describing how organisms respond to the environment and how organisms are distributed.. Events that occur in the framework of . ecological time. (minutes, months, years) translate into effects over the longer scale of . WORKSHEET. Go over Sections F, G, and H. AFTER THE QUIZ. Work on Section I. DO NOW. Get out EOC Daily sheet, worksheet, and notes. BIOLOGY EOC BIO47. The diagram below shows a plant’s response to stimuli.. 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. ? . F. Producers. G. Decomposers. H. Omnivores. J. Predators. Ecology. 97. Which . of the following correctly describes an interaction that occurs between two . body systems . of a rabbit that helps the rabbit outrun a pursuing coyote. Developers have . approved a project that . will permanently reduce . the primary producers’ . biomass by 50% and remove all rabbits and deer. Which of the following is the most likely result at the completion of the project?. 41:. Ch. 42:. Ch. 44:. Ecology. Ecology. : study of interactions between organisms and their environments – science of relationships, studied by ecologists. Abiotic . Factors:. non-living parts of an organism’s environment. 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.