11 Terms
Contributors in Marine biology
Marine biology
primary producer
Biology; Marine biology
An autotrophic organism that makes complex organic compounds from inorganic compounds through the process of photosynthesis or chemosynthesis. For example, phytoplankton synthesize sugars (organic ...
quadrat
Biology; Marine biology
An ecological sampling unit that consists of a square frame of known area. The quadrat is used for quantifying the number or percent cover of a given species within a given area. See also transect.
global positioning system (GPS)
Biology; Marine biology
An electronic device that uses positioning signals from satellites in order to locate precisely latitutude and longitude. Now used nearly exclusively for locating ship sampling stations at sea, but ...
anaerobic
Biology; Marine biology
An environment in which the partial pressure of oxygen is significantly below normal atmospheric levels; deoxygenated (Lincolnet al., 1998).
highly stratified estuary
Biology; Marine biology
An estuary having a distinct surface layer of fresh or very-low-salinity water, capping a deeper layer of higher salinity, more oceanic water.
