For example, fish that are captured. Be organized according to the principle of type classification taxonomy. Measure the size of the fish, and count the number of fish that are found in each time to calculate relative frequency values and abundant where found.
Sample fish caught Be classified according to the taxonomy. Measurement of fish And count the number of fish in each time to calculate the relative abundance. And the frequency
For example, fish caught, brought i40 based on taxonomy, measure the size of the fish and นับจำนวนปลา found each time to calculate the relative abundant. And frequency found .