Diversity Quartiles: 6,000 bp to 4,000 bp
Using the number of perennial taxa within each cluster as a measure of diversity,
the quartiles of diversity for 6,000 bp to 4,000 bp are:
05 taxa .... 1st quartile
12 taxa .... 2nd quartile
19 taxa .... 3rd quartile
20 taxa .... 4th quartile