In biology, aquatic usually refers to freshwater ecosystems, and marine refers to oceans and seas. Aquatic can also refer to inland water systems in general to include inland salt lakes. As such, ponds, lakes, rivers, streams, vernal pools, and swamps are all examples of aquatic environments. read more
Various aquatic ecosystems can be found in stagnant or very slowly flowing waters. Lakes, ponds, bogs, freshwater and saltwater marshes, swamps and lagoons are examples of ecosystems found in stationary or nearly-stationary waters. Algae, plankton, underwater and floating plants, such as lily pads, may inhabit the calm waters. read more
Aquatic ecosystems are generally divided into two types--the marine ecosystem and the freshwater ecosystem. Marine ecosystems cover over 70 percent of the earth's surface. Oceans, estuaries, coral reefs and coastal ecosystems are the various kinds of marine ecosystems. read more
An aquatic ecosystem is any water-based environment in which plants and animals interact with the chemical and physical features of the environment. Aquatic ecosystems are generally divided into two types--the marine ecosystem and the freshwater ecosystem. read more