Contribution of the Types of Tropical Coastal Aquaculture Ponds to the Differential Distribution of the Family Bacillaceae Bacterial Community

Table 1

Experimental ponds and management.

Earthen ponds in Wenchang
Ponds	E1	E2	E3	E4	E5	E6
Size (m^2)	2,000	2,000	2,000	2,000	2,000	666.67
Water depth (m)	1.5	1.5	1.5	1.5	1.5	1.5
Healthy condition of L. vannamei (50-day)	Healthy	Healthy	Healthy	Healthy	Healthy	Healthy
Stocking density (tails/m^3)	80	80	80	80	80	80
Shrimp length (cm)	7∼8	7∼8	7∼8	7∼8	7∼8	7∼8
Aerator	2	2	2	2	2	2
Feed intake (kg/d; 3 times)	6	6	6	6	6	6
Artificial ponds in Changjiang
Ponds	A1	A2	A3	A4	A5	A6
Size (m^2)	2,000	2,000	2,000	2,000	2,000	2,000
Water depth (m)	1.5	1.5	1.5	1.5	1.5	1.5
Healthy condition of L. vannamei (50-day)	Healthy	Healthy	Healthy	Healthy	Healthy	Healthy
Stocking density (tails/m^3)	80	80	80	80	80	80
Shrimp length (cm)	8∼9	8∼9	8∼9	8∼9	8∼9	8∼9
Aerator	2	2	2	2	2	2
Feed intake (kg/d; 3 times)	6	6	6	6	6	6