A survey was conducted to estimate the population of barnacles (figure 1) in two coastal areas (i.e. A and B). The dimension of coastal area ‘A’ is around 20 m and 26 m. The dimension of coastal area ‘B’ is around 14 m and 15 m.
Sampling in both areas was conducted using 1 x 1 m quadrat. Six quadrats were sampled randomly in each area. The numbers of barnacles in each quadrat as the following.
Area Q1 Q2 Q3 Q4 Q5 Q6
A 2 1 3 1 4 2
B 12 11 15 3 6 2
1. Calculate the estimated population of barnacles in both areas A and B. Please show the details of the calculations. [5]
2. Discuss your findings. [5]
The answer to your question is provided in the image:
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