At each MNR, 3 or 5 field plots with dimensio In each field plot, the surface sediment (0–1 cm) and benthic organism samples (gastropod and crabs) were collected.ns of 10 m × 10 m were established.
At each MNR, 3 or 5 field plots with dimensio In each field plot, the surface sediment (0–1 cm) and benthic organism samples (gastropod and crabs) were collected.ns of 10 m × 10 m were established.