The Aubach is here a very shallow and tiny stream. This zone is the crenal part, very close to the source. No fish can live here.
Sampling date: 25 June 2022
Coordinates: 50.2549658,8.4865871
Height: 620m. asl
Water Temp: n/m
WATER'S BIOTIC INDEX: 8
Sampling date: 25 June 2022
Coordinates: 50.264970,8.481590
Height: 600m. asl
Water Temp: n/m
WATER'S BIOTIC INDEX: 8
I executed this further sampling about 1,5 km downstream. I found additional benthic macrofauna. Protonemura was still present but in less amount than upstream. Caddis were present too.
Sampling date: 02 July 2022
Coordinates: 50.2771586,8.4755522
Height: 450m. asl
Water Temp: 13.0 C
WATER'S BIOTIC INDEX: 7
Farther 1,5 km downstream than the previous sampling and 150 m less height
