Reduction of labile organic matter by boat disturbance increased sediment zoobenthic diversity
Macroalgal mat represented an important substrate for macrozoobenthos in eutrophic environment
Bare bottom inter-mat improved zoobenthic diversity in high density mats compared to full coverage
The ratio between zoobenthic species number in algae and sediment decreased with decreasing sediment organic matter.
When labile organic matter in sediment is high, zoobenthic species find refuge in the top of algae mat.