investingating populations

  • Created by: siobhan
  • Created on: 31-03-15 09:43
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  • investigating populations
    • looking at the abundance and distribution of species in a particular area
    • abundance- the number of individuals of one species in an area
      • estimted by counting the number of individuals in samples taken
    • frequency- the number of samples a species is recorded in
    • percentage cover (plants only)- how much of the area you're investigating is covered by a species
    • distribution- where a particular species is within the are you're investigating


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