Tuesday, May 10, 2011

4.2 - Quadrates



- Sand Dune ecosystem - made up of a number of populations which form the community and the Habitat 
- Count the number of individuals in the population 
- Quadrating - Square Grid - used to sample different locations and count the number of individuals in the grid 
- Repeated several times to get an estimate of the population size 

2 comments:

  1. This comment has been removed by the author.

    ReplyDelete
  2. quadrating must be:

    a) Random selection of samples
    b) enough samples to allow us to calculate a reliable estimate of the population

    ReplyDelete