Buntingford Watermill Bridge Riverfly Monitoring – December 2022

Site: Luynes Rise, Buntingford, River Rib
Recorders: David Edwards, John Hood
Survey date: 3rd December 2022
Time: 1400hrs
Air temperature:
Water Temperature: 4 degrees
Weather:
Flow: 2
Phosphate: 0.53
Nitrate: 10
Nitrite: 0.15

Cased Caddisfly	1	1
Caseless caddisfly	0	0
Mayfly (Ephemeridae)	0	0
BWO (Ephemerellidae)	1	1
Olives (Baetidae)	0	0
Stoneflies	0	0
Shrimps (Gammarus)	40	2
	Score	4
Stickleback (1), Water hog louse (100) snails (10), Leeches (10)