Uncategorized

Jack’s Field, River Quin Riverfly Monitoring – October 2022

Site: Jack’s Field, River Quin, Braughing
Recorders: Andy Ayres, Mark Wilkinson
Survey date: 31st October 2022
Time: 1230hrs
Flow (0-5): 1
Air temperature:
Water temperature: 12C
Weather:


Phosphate: 0.14ppm
Nitrate (NO3-N): 5ppm
Nitrite: 0

Cased Caddice102
Caseless caddice21
Burrowing Mayflies (Ephemeridae)11
Blue-winged Olives (Ephemerellidae)
Olives (Baetidae)252
Stoneflies
Shrimps (Gammarus)1503
Score9
FishBullheads1
Sticklebacks0
Minnows0
Trout0
Stone Loaches0
Up-wing fliesCaenidae0
Leptophlebiidae0
DecapodaCrayfish0
IsopodaWater Hoglouse (Asellus)2
MegalopteraAlderflies0
Damselflies0
OtherLeeches10
Beetle larvae (Great Diving)0
Cranefly Larvae10
Comments: