longer answers PAPER 2

Question 1

how to do systematic sampling?

Answer 1

• mark out transect line across area of study
• place quadrat at regular intervals along the transect line
• count the number of species or estimate the percentage cover inside the quadrat

Question 2

how to do random sampling?

Answer 2

• divide the area into a grid
• use a random number generator to get grid coordinates
• place the quadrat at these coordinates
  -count the number of species or estimate the percentage cover inside the quadrat

Question 3

how do you kick sample?

Answer 3

• face the direction of river flow
• stamp periodically on the bottom of the stream to get organisms out of the mud
• allow the water to carry the organisms into the net
• count and identify the indicator species in the net