4.2 Quadrates

• Image present the sand dune of the ecosystem which form the community and the habitat.
• There's a fence line which is grazed by cattle and the other side is ungrazed there is no cattle grazing here.
• Ecosystem we could choose to study side A or side B.
• What we do is to count the population. The technique is using quadrates base on squares.
• These squares can be of any material. The quadrates is use to sample the area. We would take sample from area and get an estimate of population size.