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Eutrophication is a general term describing a process in which nutrients accumulate in a body of water, resulting in an increased growth of organisms that may deplete the oxygen in the water. [ 1 ] [ 2 ] Eutrophication may occur naturally or as a result of human actions.
PCLake is designed to study the effects of eutrophication on shallow lakes and ponds. [4] On one hand, the model is used by scientists to study the general behavior of these ecosystems. For example, PCLake is used to understand the phenomena of alternative stable states and hysteresis, and in that light, the relative importance of lake features ...
Lake 226 was specifically studied over a four-year period, from 1973–1977 to test eutrophication. [5] Lake 226 itself is a 16.2 ha double basin lake located on highly metamorphosed granite known as Precambrian granite. [6] The depth of the lake was measured in 1994 to be 14.7 m for the northeast basin and 11.6 m for the southeast basin. [7]
Ephemeral lake is a short-lived lake or pond. [49] If it fills with water and dries up (disappears) seasonally it is known as an intermittent lake [50] They often fill poljes. [51] Dry lake is a popular name for an ephemeral lake that contains water only intermediately at irregular and infrequent intervals. [36] [52]
Eutrophication is a general term describing a process in which nutrients accumulate in a body of water, resulting in an increased growth of organisms that may deplete the oxygen in the water. [79] [80] Eutrophication may occur naturally or as a result of human actions.
The term limnology was coined by François-Alphonse Forel (1841–1912) who established the field with his studies of Lake Geneva.Interest in the discipline rapidly expanded, and in 1922 August Thienemann (a German zoologist) and Einar Naumann (a Swedish botanist) co-founded the International Society of Limnology (SIL, from Societas Internationalis Limnologiae).
Cultural eutrophication of lakes is primarily due to phosphorus, applied in excess to agricultural fields in fertilizers, and then transported overland and down rivers. Both runoff and groundwater flow play significant roles in transporting nitrogen from the land to waterbodies. [29]
Lake ecosystems can be divided into zones. One common system divides lakes into three zones. The first, the littoral zone, is the shallow zone near the shore. [5] This is where rooted wetland plants occur.