| D009792 |
Oceans and Seas |
A great expanse of continuous bodies of salt water which together cover more than 70 percent of the earth's surface. Seas may be partially or entirely enclosed by land, and are smaller than the five oceans (Atlantic, Pacific, Indian, Arctic, and Antarctic). |
Seas,Oceans,Seas and Oceans |
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| D005101 |
Expeditions |
Usually refers to planned scientific data-gathering excursions. |
Expedition |
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| D005398 |
Fisheries |
Places for cultivation and harvesting of fish, particularly in sea waters. (from McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) |
Fish Farms,Fish Hatcheries,Farm, Fish,Farms, Fish,Fish Farm,Fish Hatchery,Fishery,Hatcheries, Fish,Hatchery, Fish |
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| D005399 |
Fishes |
A group of cold-blooded, aquatic vertebrates having gills, fins, a cartilaginous or bony endoskeleton, and elongated bodies covered with scales. |
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| D000818 |
Animals |
Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. |
Animal,Metazoa,Animalia |
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| D001110 |
Arctic Regions |
The Arctic Ocean and the lands in it and adjacent to it. It includes Point Barrow, Alaska, most of the Franklin District in Canada, two thirds of Greenland, Svalbard, Franz Josef Land, Lapland, Novaya Zemlya, and Northern Siberia. (Webster's New Geographical Dictionary, 1988, p66) |
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| D013696 |
Temperature |
The property of objects that determines the direction of heat flow when they are placed in direct thermal contact. The temperature is the energy of microscopic motions (vibrational and translational) of the particles of atoms. |
Temperatures |
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| D015048 |
Zooplankton |
Minute free-floating animal organisms which live in practically all natural waters. |
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| D057231 |
Climate Change |
Any significant change in measures of climate (such as temperature, precipitation, or wind) lasting for an extended period (decades or longer). It may result from natural factors such as changes in the sun's intensity, natural processes within the climate system such as changes in ocean circulation, or human activities. |
Change, Climate,Changes, Climate,Climate Changes |
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| D059001 |
Aquatic Organisms |
Organisms that live in water. |
Marine Organisms,Aquatic Organism,Marine Organism,Organism, Aquatic,Organism, Marine,Organisms, Aquatic,Organisms, Marine |
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