	observed_species	chao1	PD_whole_tree
PC.636	49.0	160.0	5.58857
PC.635	71.0	498.75	6.58351
PC.356	59.0	130.75	4.03104
PC.481	64.0	184.111111111	5.23059
PC.354	42.0	104.142857143	4.04681
PC.593	34.0	49.1111111111	4.11364
PC.355	48.0	114.0	3.77797
PC.607	54.0	151.5	6.11999
PC.634	53.0	158.857142857	5.77955