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Marshall is one of the executive directors and co-founders of the Marine Megafauna Foundation (MMF), a 501c3 in the United States with chapters globally. This foundation strives to save ocean giants from extinction. [1] National Geographic also endowed the 2013 Emerging Explorer honor to Andrea, believing her to be a notable new explorer. [3]
Marine biology is the scientific study of the biology of marine life, organisms that inhabit the sea. Given that in biology many phyla , families and genera have some species that live in the sea and others that live on land, marine biology classifies species based on the environment rather than on taxonomy .
Today, marine species range in size from the microscopic phytoplankton, which can be as small as 0.02–micrometres; to huge cetaceans like the blue whale, which can reach 33 m (108 ft) in length. [5] [6] Marine microorganisms have been variously estimated as constituting about 70% [7] or about 90% [8] [1] of the total marine biomass.
David Gruber Professor of Biology and Environmental Sciences and a National Geographic Explorer. Gordon Gunter (1909–1998), American marine biologist and fisheries scientist notable for pioneering fisheries research in the northern Gulf of Mexico; Ernst Haeckel (1834–1919), German physician, zoologist, marine biologist and evolutionist
Pelagic marine systems regulate the global climate, contribute to the water cycle, maintain biodiversity, provide food and energy resources, and create opportunities for recreation and tourism. [48] Economically, marine systems support billions of dollars worth of capture fisheries, aquaculture, offshore oil and gas, and trade and shipping.
Sylvia Alice Earle (born August 30, 1935) is an American marine biologist, oceanographer, explorer, author, and lecturer.She has been a National Geographic Explorer at Large (formerly Explorer in Residence) since 1998.