rp 9: sampling organisms

• what is used for random sampling?

  quadrat
• how to work out total population size?

  total population size = total area / area sampled x number of organisms of that species counted in sample
• what would be used to see a pattern when sampling organisms?

  transect
• how do you determine where to place the quadrat?


  use random coordinates
• why could the mean number of species in an are not be accurate?

  • quadrat could be too small
  • sample may not be representative of the area