Answers to Hands on Pg 89-91

8.2 : Quadrat sampling Technique
Aim : To determine the percentage cover, frequency and density of Mimosa pudica using the Quadrat sampling technique
Results

Quadrat	1	2	3	4	5	6	7	8	9	10
Covered area (m2)	0.2	0.3	0	0	0.4	0.3	0.3	0.4	0.2	0.3
Number if individuals	5	7	0	0	8	6	5	10	5	4

Percentage cover = 2.4/10 x 100 = 24%
Frequency = 8/10 x 100 = 80 %
Density = 50/10 = 5 inviduals per m<sup>2

Discussion
1. Easy to use and suitable for studying the distribution of plants.
2. Increase the number of quadrats.
3. It is difficult to count the number of plants as some plants are creepers and they tend to grow overlapping each other.

Conclusion
The estimated percentage cover of Mimosa pudica is 24%. The estimated frequency and density is 80% and 5 plants per m2 respectively.</sup>