Carp pond
A carp pond is an artificially created standing body of water that is used for the economic production of carp and other fish species (see carp fish ) that are suitable for this type of water ( tench , pike , pikeperch ).
Management
The management of a carp pond is a form of agricultural land use and corresponds to pasture farming in the field of fishing . Primary production is stimulated by fertilizing the water body . The aim is to enable the highest possible production of fish across the stages of the food chain .
The construction of this type of water corresponds to the economic objective described. Fertilization causes a normal lake to tip over because the hypolimnion layer becomes free of oxygen due to the high levels of biomass. A carp pond, on the other hand, is laid out so flat (approx. One to two meters) that the mixing can bring in new oxygen to the bottom every day.
Carp ponds are regularly fished in autumn, for which purpose they are drained with a drainage structure called a monk . The pond floor is laid out as a very flat funnel towards the monk. So the fish collect in front of the monk when the water level drops.
Carp ponds are usually built in stepped groups in order to be able to keep several age groups of the fish separately in sequence. A distinction is made accordingly between spawning ponds, breeding ponds and wax ponds for different years of fish.
In some areas (e.g. in Middle Franconia: Aischgrund ) water is only supplied by rain . Such ponds are called " heavenly ponds ". Your water is kept as possible and used when fishing to fill the next somewhat lower pond. In any case, the water intake of carp ponds is limited to a minimum over the summer (compensation of evaporation and infiltration, approx. One l / s per hectare) so as not to lose nutrients and natural food.
Examples
- Carp ponds (Berlin-Buch)
- Carp pond (Berlin)
- Neuhöfer carp ponds , Neustadt-Glewe, Mecklenburg-Western Pomerania
- Friedrichsmoor carp ponds , Neustadt-Glewe, Mecklenburg-Western Pomerania
See also
literature
- Wilhelm Schäperclaus and M. v. Lukowicz: Textbook of Pond Management , 4th edition Berlin, Hamburg Parey 1998.
- M. Bohl and G. Riegger: Karpfenproduktion under extensive and intensive conditions , in: M. Bohl (Hrsg.): Zucht und Produktion von Frischwasserfischen , 2nd edition, BLV Munich 1999. ISBN 3-7690-0543-0 .
- Kurt Kaindl (photos) / Hans Eichhorn, Peter Fischer-Ankern (texts): “Abfischen”, photo essay for the photo exhibition (1997), Edition Fotohof, no. 14. Verlag Otto Müller, Salzburg 1997. ISBN 978-3701309535 .
Web links
- Wintering of Koi carp
- Kurt Kaindl, fishing. An exhibition about an old cultural technique in the northern Waldviertel. Text for the 1997 exhibition, Galerie Fotohof Salzburg.