Brown pelican at-sea density off California

The Office of National Marine Sanctuary Program (ONMS) updates and revises the management plans for each of its 13 sanctuaries. This process, which is open to the...国家海洋保护区计划办公室（Office of National Marine Sanctuary Program，ONMS）会对其下辖的13个保护区各自的管理计划进行更新与修订。这一流程面向……开放。