1 / 16

Population Ecology

Population Ecology. Population. A group of individuals of a single species in a given area Density Dispersion. Clumped. Uniform. Random. Demography. The study of statistics that affect population size. Life Table. Survivorship Curve. Reproductive Table. Life Histories. Semelparity

jescie-cooper
Download Presentation

Population Ecology

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Population Ecology

  2. Population • A group of individuals of a single species in a given area • Density • Dispersion

  3. Clumped

  4. Uniform

  5. Random

  6. Demography • The study of statistics that affect population size

  7. Life Table

  8. Survivorship Curve

  9. Reproductive Table

  10. Life Histories • Semelparity • Iteroparity

  11. Population Growth • Exponential Growth • dN/dt = rmaxN • dN = change in number • dt = change in time • rmax = intrinsic growth rate • N = number of ind.

  12. Population Growth • Logistic Growth • dN/dt = rmaxN (K-N) K • dN = change in number • dt = change in time • rmax = intrinsic growth rate • N = number of ind. • K = Carrying Capacity

  13. Logistic Growth

  14. r selected Large number of offspring No parental care Small in size Short lifespan K selected Small number of offspring Large amounts of parental care Large in size Longer lifespan Life Histories

  15. Population Limiting Factors • Density Independent • Natural disasters • Density Dependent • Disease

  16. Human Population and ZPG • Which type of growth do humans follow? • What is ZPG?

More Related