what is abundance?

what are the two sampling techniques?

what are the three factors to consider when using quadrats?

why must sampling be random?

what is the method of random sampling?

when is systematic sampling better?

What method shows the stages of zonation?

how does a line transect work?

what are two ways to measure abundance?

what is good about using frequency?

what is bad about using frequency to measure abundance?

what is good about using percentage cover?

when is percentage cover less useful?

what is the process of this technique?

how do you calculate the size of a population?

what does this technique assume?