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Ocean color radiometry provides essential information about phytoplankton concentration and dissolved organic matter, and hence about primary productivity
Marine mammals have been protected in the United States since 1972 under the Marine Mammal Protection Act (MMPA). The U.S. Pacific Islands and surrounding
In 1999, the U.S. Fish and Wildlife Service Alaska Maritime National Wildlife Refuge (USFWS-AMNWR), the U.S. Geological Survey Biological Resources Division