Aquatic Ecology : The Science Of Ecology

1555 Words Oct 12th, 2015 7 Pages
Aquatic ecology is the science of ecology which concentrates on the study of aquatic ecosystems. This field can be broken out into two divisions: freshwater and marine ecology. Understanding aquatic ecosystems is critical since water is the building block to the survival of all life on earth. Aquatic ecology includes the study of aquatic environments including oceans, lakes, ponds, wetlands, rivers, and streams. Every organism needs energy to live, grow and reproduce. In aquatic ecology, biologists classify organisms as to how they obtain energy and food. Sunlight is the primary source of energy used by organisms on the earth 's surface. There are two types of organisms, autotrophs, and heterotrophs. Autotrophs can produce their food from their surroundings using light, or chemical energy and heterotrophs do not produce their food and are dependent on other organisms for food. Organisms living in aquatic ecosystems are dependent on the resources of their environment. A large range of plants, animals, microorganisms and even humans depend on freshwater ecosystems for their survival. Even though freshwater ecosystems contain only 0.01% of the earth 's water and cover just a small portion of the planet 's surface, it contains a large amount of the earth 's biodiversity (Revenga and Kura 2003). Freshwater ecosystems have been crucial to supporting life. Humans rely on freshwater systems not only for drinking water, but also for agriculture, transportation, energy…

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