(par 4.2.4.2.1.1) Lake stratification
Lake stratification From Wikipedia, the free encyclopedia https://en.wikipedia.org/wiki/Lake_stratification Lake stratification is the separation of lakes into three layers: Epilimnion – top of the lake. Metalimnion (or thermocline) – middle layer that may change depth throughout the day. Hypolimnion – the bottom layer. The thermal stratification of lakes refers to a change in the temperature at different depths in the lake, and is […]
(par 4.2.4.2.1.1) Environmental impact of Reservoirs
http://en.wikipedia.org/wiki/Environmental_impact_of_reservoirs From Wikipedia, the free encyclopedia The Wachusett Dam in Clinton, Massachusetts. The environmental impact of reservoirs comes under ever increasing scrutiny as the global demand for water and energy increases and the number and size of reservoirs increases. Dams and reservoirs can be used to supply drinking water, generate hydroelectric power, increase the water supply for irrigation, provide recreational opportunities, and improve certain aspects […]
(par 4.2.4.2.1.1) Lake ecosystem (taken from wikipedia)
http://en.wikipedia.org/wiki/Lake_ecosystem From Wikipedia, the free encyclopedia A lake ecosystem includes biotic (living) plants, animals and micro-organisms, as well as abiotic (nonliving) physical and chemical interactions.[1] Lake ecosystems are a prime example of lentic ecosystems. Lentic refers to stationary or relatively still water, from the Latin lentus, which means sluggish. Lentic waters range from ponds to lakes to wetlands, and much of this article applies to lentic ecosystems in general. […]