Water name

Ahr

Time

July 12, 2023, 9:14 a.m.

Name

Timo/Johannes

Note

Ufer > steinig/schlammig
Relativ bewachsen mit Algen(Flussbett)

Fauna:
Fische
Eintagsfliegenlarve
Schlammfliegenlarve
Steinfliegenlarve
Mückenlarve
Bremsenlarve
Schnecke
Schlammröhrenwurm
Köcherfliegenlarve

Flora:
Gemeine Schafgabe
Wilde Möhre
Gewöhnliche Kratzdistel
Weißklee
Luzerne
Brennnessel
Echte Zaunwinde
Wilde Sumpfkresse

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Chemical Parameters

Parameter Value Note
pH-Wert 7.74  N/A
Nitrit 0.04 mg/L N/A
Ammonium 0.1 mg/L N/A

Structural Assessment

Parameter Assessment
Water Utilization village, industrial area
Water Margin approx. 2-5 m
Water Course partly curved (partly modified)
Bank Vegetation narrow continuous grove, wet meadow, tall herbaceous plants or reeds
Bank Structure banks partly strengthened (< 50%), bank failures possible
Water Cross Section very shallow (width:depth > 10:1)
Water Flow uniform flowing water
Water Depth Variance minor depth variance
Riverbed silted/paved/concreted riverbed over long stretches
Water Continuity no obstacles, natural waterfall/cascade

Water Quality Indices

Saprobic Index
N/A
Value
N/A
Validity
0%
BACH Index
N/A
Value
N/A
Validity
25%
Parameters
Physical-Structural Index
Class III
verändert
Value
3.00
Validity
100%