This study suggests that PR is a good indicator to evaluate the stress to benthic macrofauna, and this would apply to monitor benthic ecology and manage human activities on an intertidal sandy beach.

• 本研究显示，PR可以评估底栖动物在沙质潮间带游憩区的生存压力，PR有助于底栖生态变化的监测，并可提供人为活动管理之参考。