Documentation for the marine mammal sightings database of the National Marine Mammal Laboratory
收藏NOAA Institutional Repository2021-06-22 更新2026-04-25 收录
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The Platforms Of Opportunity Program (POP) was begun in 1975 as part of the U.S. Outer Continental Shelf Environmental Assessment Program.1 Since then the program has solicited marine mammal sightings from observers aboard various types of vessels. The sightings have been entered into a database and the data have been used by researchers to determine the distribution, abundance, and seasonality of marine mammals. 1989 NMFS (National Marine Fisheries Service) NWFSC (Northwest Fisheries Science Center) Library Public Domain 1861
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NOAA
创建时间：
2021-06-22
