Defacto Marine Protected Areas of the United States

These data provide the spatial boundaries of DeFacto Marine Protected Areas in U.S. Waters. With nearly 1200 sites (for which GIS data are available), DFMPAs cover 3% of the U.S. waters, (0-200 nautical miles offshore), which includes the Exclusive Economic Zone (EEZ), Territorial Sea, and state waters. DFMPAs range in size from less than one acre to more than 40,000 km2, though the vast majori...本数据集提供了美国水域中事实海洋保护区（DeFacto Marine Protected Areas，简称DFMPAs）的空间边界。该数据集涵盖近1200个地点（其中包含地理信息系统数据），DFMPAs覆盖了美国水域的3%（包括0至200海里海域，涵盖专属经济区（EEZ）、领海和州际水域），其规模从不足一英亩到超过40,000平方公里不等，尽管其中绝大多数区域...