Aquarienschnecken.de

Habitat 13:

 Oldenburg /Niedersachsen: ~0 m ü NN

Biotop: Graben, Räumung vermutl. nur bedarfsweise

Habitat: Schlammsubstrat, stellenweise sandig

Besonnung: besonnt

Vegetation: sommers stark verkrautet durch Sumpfpflanzen (Rorippa amphibia, Gräser, Seggen, Wasserminze, Sumpf-Vergißmeinicht, Blutweiderich), Wasserstern, Lemna minor, Ceratophyllum spec.,

Strömung: schwach

 

Wasserwerte (24.06.2007):

 

                   Wassertemperatur = 17,5°C

                   GH = 10° dH

                   KH = 5° dH

                   pH = 7

                 NH3/NH4 ~ 1,0 mg/l

                 NO2 ~ 0,3 mg/l

                 NO3 ~ 12 mg/l

                 Wasser durch Huminstoffe wenig bräunlich verfärbt

• Gastropoda: Bithynia (Bithynia) tentaculata, Bithynia (Codiella) leachii, Valvata (Cincinna) p. piscinalis, Galba truncatula, Stagnicola corvus, Radix cf. balthica, Lymnaea stagnalis, Physa fontinalis, Anisus (Disculifer) vortex.

                 Sammelmethode: Absammeln von Wasserpflanzen.

Oldenburg /Lower Saxony: ~0 m ü NN

• Biotop: Ditch, probably only cleared temporarily
• Habitat: Muddy substrate, sandy parts
• Exposure to sun: full sun
• Vegetation: heavy vegetation in summer, swamp plants (Rorippa amphibia, grasses, sedges, water mint, true forget-me-not, purple loosestrife), water-starwort, Lemna minor, Ceratophyllum spec.
• Current: Low
•  
• Water parameters (June 24, 2007):

                   Water temperature = 17.5°C

                   GH = 10° dH

                   KH = 5° dH

                   pH = 7

                 NH₃/NH₄ ~ 1.0 mg/l

                 NO₂ ~ 0.3 mg/l

                 NO₃ ~ 12 mg/l

                 Water slightly brownish in color by humins

• • Gastropoda: Bithynia (Bithynia) tentaculata, Bithynia (Codiella) leachii, Valvata (Cincinna) p. piscinalis, Galba truncatula, Stagnicola corvus, Radix cf. balthica, Lymnaea stagnalis, Physa fontinalis, Anisus (Disculifer) vortex.
•                  Collection method: Picking off from water plants.

 

 

Author : schneckli  done on May 05, 2008

Translator: Ulrike Bauer

 

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