History of Marine Biology Early History: 3200 B.C.E-90 C.E First signs of cultures knowing, learning, using the sea: -shell remnants in piles/middens -Ancient harpoons, simple fishhooks of bone or shell -shell jewelry Egyptians-Earliest recorded sea voyages -Earliest known seafaring crafts Phoenicians- first accomplished sea travelers and traders in the West -Mediterranean, Red, Black Seas and eastern Atlantic and Indian Ocean Polynesians-the first regular, long-distance, open-ocean seafarers The GreeksAristotle- 1st marine biologist, described many forms of sea life Pytheas- predicted tides by studying the moon, figured out how far north or south one was by using the North Star Eratosthenes- calculated Earth’s circumference, invented first latitude/longitude system Ptolemy- 1st sphere map on flat paper, improved latitude and longitude system (map) Middle Ages History 700 C.E-1521 The Vikings-Raided, explored, and traded, Leif Eriksson lands in Newfoundland The Arabs- figured out wind patterns and currents . The Chinese-1st people to understand magnetism and use compasses -developed central rudders and watertight boats Age of Exploration-Christopher Columbus rediscovers America’s in 1492 -Ferdinand Magellan becomes first person to sail around the world 1519 Birth of Marine Sciences: 1700’s & 1800’s Englishman, James Cook - Explored all the oceans and 1st to make and record scientific observations. -1st to use a Chronometer: an accurate timepiece allowing one to accurately determine longitude and therefore charts and mapping become more accurate. Englishman, Edward Forbes -Dredged ocean floor and discovered new sea creatures -recongnized the sea floor varies at different depths HMS Beagle 1831 -5 years, primary purpose: to map coastlines -Also a Naturalist on board, Charles Darwin, Englishman -Darwin studied Plankton (microscopic drifting plants and animals) , described the formation of coral reef atolls -made thousands of sketches of the natural world, including marine life. Wilkes Expedition, USA Exploring -5 ships that explored the southern and central Pacific oceans -Confirmed Antarctica is a continent -collected over 10,000 biological specimens, 2,000 which were previously unknown! HMS Challenger 1872 to 1876, British Exploring -Gathered biological, chemical, geological, and physical data -Discovered over 4700 new species, brought back 1,000’s of biological specimens. -50+ volumes of information, taking 19 years to publish -Returned with more information about the ocean than had been recorded in ALL of human history Modern Marine Biology & Research Tools, 1800’s to present Steam Engines/Iron Ships -Improved trade and oceanography because sea travel no longer required wind Marine Laboratories -Marine Biological Laboratory at Woods Hole (Massachusetts) is established in 1888 -The Scripps Institution of Oceanography is established (La Jolla, CA) in 1924 USS Atlantis 1931 -Confirmed the existence of the mid-Atlantic ridge and mapped it HMS Challenger II 1951 -Used SONAR to map ocean floors in the Atlantic, Indian, and Pacific oceans -Discovered the Marianas Trench (Challenger Deep – 35,558 feet deep) Submersible Bathysphere-Means “deep sphere” -Dove 2170 feet off Bermuda in 1932 Hard Hat Diving-Developed by Augustus Siebe, good for underwater labor, limited for underwater research SCUBA Diving- SCUBA: Self Contained Underwater Breathing Apparatus -Developed during WWII by Emile Gagnan and Jacques Cousteau -1st time one could practically study in the marine environment Hardsuit Diving - Protect the diver from temperature and pressure and allow deeper diving (the limitations of SCUBA). -More portable than submersible (though you cannot go as deep). RV FLIP Ship: Modern Scientific Ship – -FLIP: Floating Instrument Platform (operated by Scripps Institute). -once in position, hull flooded and sinks, FLIP goes into a vertical position, making it mostle unaffected by rise and fall of waves Submersibles -Alvin, operated by Woods Hole and owned by U.S. Navy, is considered the world’s most productive. ROV’s-Remotely Operated Vehicles. -Useful for both SCUBA and submersible assistance -controlled from the surface Crittercams- Small packages of instruments including a camera that can be attached to a wild animal to study its behavior. AUV’s -Autonomous Undewater Vehicles. 1960’s/ 1990’s LORAN-C / GPS-Long Range Navigation: used to radio signal transmissions along the coast for electronic navigation. -Limited deployment and range of accuracy decreased with distance -Global Positioning System uses satellites, accuracy within 3-6 feet for navigation. Satellites / Remote Sensing- Satellites provide global, continuous monitoring of the oceans -Remote Sensing allow for global study of the oceans, global circulation and climate change