Investigating Ecosystems

Question 1

How do you use a Quadrat to study the distribution of small organisms?

Answer 1

Place 1m^2 Quadrat on Ground .
Count organisms in area .
Repeat x3 .
Work out mean = total no of organisms / number of Quadrats 
Repeat in a second area
Compare means

Question 2

How to use belt transfers to study spread over a gradient?

Answer 2

1) make a line in desired area
2) collect data use consecutive Quadrats
3) or mean height of plants
4) repeat 1 & 2- get mean
5) plot graph to check correlation