Effects of Chlorella pyrenoidosa Supplementation on Water Quality, Shrimp Growth Performance, and Biofilm Bacterial Community Structure in Litopenaeus vannamei Aquaculture Systems

Table 3

Sequencing results and alpha diversity index of the adsorbates and biofilms in the PB systems.

Samples	OTUs	Coverage (%)	Shannon	Simpson	Ace	Chao1
IBF	366	99.91	3.80^d	0.0421^c	401.8^c	399.6^c
PBOF	586	99.75	4.78^a	0.0189^e	678.6^a	717.9^a
PBCF	603	99.80	4.24^b	0.0671^b	672.7^a	670.1^a
PBCA	417	99.75	2.24^e	0.3514^a	534.6^b	557.6^b
PBOA	512	99.78	4.11^c	0.0394^d	591.1^b	598.6^b

Note: Mean values in the same column with different superscripts differ significantly (). Abbreviations: IBF, initial biofilms in sponges; PBOF, biofilms in PBO sponges; PBCF, biofilms in PBC sponges; PBCA, adsorbates in PBC sponges; PBOA, adsorbates in PBO sponges; OTUs, operational taxonomic units.