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Koi ponds are ponds used for holding koi carp, usually as part of a garden. Koi ponds can be designed specifically to promote health and growth of the Nishikigoi or Japanese Ornamental Carp . Koi ponds or lakes are a traditional feature of Japanese gardens , but many hobbyists use special ponds in small locations, with no attempt to suggest a ...
These 15 koi pond ideas will inspire you to transform your outdoor space into a serene outdoor oasis. They prove that koi ponds can work in spaces of all sizes.
Several koi swim around in a pond in Japan. (video) A school of koi containing multiple different varieties Koi (鯉, Japanese:, literally "carp"), or more specifically nishikigoi (錦鯉, Japanese: [ɲiɕi̥kiꜜɡoi], literally "brocaded carp"), are colored varieties of carp (Cyprinus sp.) that are kept for decorative purposes in outdoor koi ponds or water gardens.
The technical distinction between a pond and a lake has not been universally standardized. Limnologists and freshwater biologists have proposed formal definitions for pond, in part to include 'bodies of water where light penetrates to the bottom of the waterbody', 'bodies of water shallow enough for rooted water plants to grow throughout', and 'bodies of water which lack wave action on the ...
The reference weight-length formula is used to calculate how much the individual fish would be expected to weigh based on its measured length. Then the condition index is the actual weight of the fish divided by its expected weight, times 100%.
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In ponds where the main diet is natural algae, the fish gain 2 to 5 kg per year. Usually, giant barbs are harvested after three years of cultivation when they weigh 6 to 10 kg, but some farmers keep raising their fish in ponds for more than seven years for them to reach 50 kg before harvesting.
Stokes' law can be used to calculate the size of a settling basin needed in order to remove a desired particle size. Stokes' law gives a settling velocity determining an effective settling basin depth; so solids removal depends upon effective settling basin surface area, while the depth component of settling basin volume remains important for ...
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