riverfly monitoring

Gravelly Lane North, River Quin Riverfly Monitoring – October 2022

Site: River Quin, Gravelly Lane North, Braughing
Recorders: Andy Ayres, Pauline Ayres
Survey date: 26th October 2022
Time: 1500hrs
Flow (0-5): 1
Air temperature:
Water temperature: 11ºC
Weather:


Phosphate: 0.08ppm
Nitrate (NO3-N): 10ppm
Nitrite: 0

Cased Caddis11
Caseless caddis00
Burrowing Mayflies (Ephemeridae)00
Blue-winged Olives (Ephemerellidae)00
Olives (Baetidae)00
Stoneflies00
Shrimps (Gammarus)152
Score3
FishBullheads0
Sticklebacks0
Minnows0
Trout0
Stone Loaches0
Up-wing fliesCaenidae0
Leptophlebiidae0
DecapodaCrayfish0
IsopodaWater Hoglouse (Asellus)2
MegalopteraAlderflies0
Damselflies0
OtherLeeches1
Cranefly larvae1
beetle larvae1
Midge larvae0
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