riverfly monitoring

Gravelly Lane Ford River Quin Riverfly Monitoring – October 2022

Site: River Quin, Gravelly Lane Ford, Braughing
Recorders: Andy Ayres, Mark Wilkinson
Survey date: 28th October 2022
Time: 1600hrs
Flow (0-5): 1 – 2
Air temperature:
Water temperature: 12oC
Weather:


Phosphate: 0.07ppm
Nitrate (NO3-N): 10ppm
Nitrite: 0

Cased Caddis12
Caseless caddis00
Burrowing Mayflies (Ephemeridae)00
Blue-winged Olives (Ephemerellidae)00
Olives (Baetidae)502
Stoneflies00
Shrimps (Gammarus)2003
Score7
FishBullheads0
Sticklebacks0
Minnows0
Trout0
Stone Loaches0
Up-wing fliesCaenidae0
Leptophlebiidae0
DecapodaCrayfish0
IsopodaWater Hoglouse (Asellus)4
MegalopteraAlderflies0
Damselflies0
OtherLeeches8
Adult Beetle1
Bloodworms0