2.1. Seaweeds collection and cultivation
The seaweeds S. hemiphyllum and S. henslowianum were collected
by divers from the seaweed bed on the coast of Yangmeikeng
(223203400 N; 1143504000 E), Daya Bay, approximately 8 km
east of the fish farm. The average water depth and the seaweed
density of the sampling site were approximately 1.5–2 m and 10
thalli m2, respectively. The seaweed bed was used as the control
site in this study.