Environmental characteristic of the fish ponds in Dębowiec − management and stocking practice.
|Pond 1 (Łąki)||Pond 2 (Chłupska)||Pond 3 (Rajski)|
|Area||17 ha||13 ha||11 ha|
|Sources of water supply||Rivers Vistula and Knajka||Vistula River||Vistula River|
|Pond management||Pond drying, application of calcium oxide, periodic dredging the bottom of ditches (blowdown), feeding the fish with a mixture of grains (triticale)|
|Length of drying periods||From one day to five months|
|Cyanophytal and algalblooms||Periodic blooms: from late spring to early autumn, that disappear spontaneously|
|Fish stocking||Cyprinus carpio L − from its own fish farm|
|Mylopharyngodon piceus, Ctenopharyngodon idella, Hypophthalmichthys molitrix, Leuciscus idus, Silurus glanis, Abramis brama, Carassius carassius, Esox lucius, Rutilus rutilus, Perca fluviatilis, Gymnocephalus cernua − are acquired from other fish farms|
|Plants||Fish feeding prevents the overgrowing of the ponds|
|Shores are covered with Phragmites australis|
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