Pond

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A pond is a body of water smaller than a lake. However the difference between a pond and a lake is subjective. Pond usually describes small bodies of water, generally smaller than one would require a boat to cross. Another definition is that a pond is a body of water where even its deepest areas are reached by sunlight. In some dialects of English, pond normally refers to small artificially created bodies of water.

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Though not generally accepted, some regions of the United States define a pond as a body of water with a surface area of less than 10 acres (40,000 m²).

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Typically, a pond has no surface outflow draining off water and ponds are often spring-fed. Hence, due to the closed environment of ponds, such small bodies of water normally developed self contained eco-systems. Ponds in heavily vegetated areas also display the formation of "scum", which is a common term for dead and decaying vegetation condensing on the water skin of the pond. A contributor to this is the presence of algae, which multiplies quickly in a nutrient-rich pond exposed to strong daylight. Decaying flora provide significant amounts of such nutrients.

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In medieval times in Europe, it was typical for many monasteries, castles etc, to have fish ponds. These are still popular in the Far East notably Japan, where koi carp may be kept.

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The term is also used for temporary accumulation of water from runoff (ponded water).

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See also: garden pond (see water garden), engineered treatment features (see treatment pond), and field units in agriculture (for example, "pondfields" for rice or taro culture) and aquaculture.

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There are various regional names for naturally occurring ponds, e.g. in Scotland, one of the terms is lochan.

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The word "pond" is sometimes also used to refer to the Atlantic Ocean in the expression "across the pond" (a deliberate idiomatic understatement).

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Spring: Spring(s) may refer to:...

Eco-system: REDIRECT Ecosystem...

Scum: Scum can refer to:...

Pond related Images and Photos (experimental)

Pond	Pond Life	A Pond	Pond Flower
The Pond	Koi Pond	Koi Pond	Lily Pond
Frog Pond	Pond's Edge	Consistency: Pond Flower	Lotus Pond