Successfully reported this slideshow.

Population Density


Published on

  • Be the first to comment

  • Be the first to like this

Population Density

  1. 1. YOU NEED A CALCULATOR!!!!! Start-Up: What is the biological level smaller than a community? How is it defined?
  2. 2. Characteristics of Populations Population – group of individuals of a single species that live in the same general area – rely on the same resources & face similar challenges Population size = total number of individuals Population density = number per unit area
  3. 3. Sampling Techniques to Estimate Population Density & Size 1. Quadrats 2. Indirect Counting
  4. 4. 3. Mark-recapture method Total population = (# in first capture)(# in second capture)‏ # of marked animals recaptured