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
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ReplyDeletequadrating must be:
ReplyDeletea) Random selection of samples
b) enough samples to allow us to calculate a reliable estimate of the population