Quadrats

Question 1

Measuring abundance

Answer 1

Measure of how many individuals exist in a habitat

Question 2

How is plant abundance measured

Answer 2

using a quadrat and random sampling

Question 3

Steps of random sampling using a quadrat

Answer 3

• Mark out 10x10m grid (set out 2 measuring tapes at right angles to each other
• use a random number generator to get coordinates
• Identify species present and count (number of species or % cover)
• record data from 10 quadrats to give representative sample of the area