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 Caddis	1	1
Caseless caddis	0	0
Burrowing Mayflies (Ephemeridae)	0	0
Blue-winged Olives (Ephemerellidae)	0	0
Olives (Baetidae)	0	0
Stoneflies	0	0
Shrimps (Gammarus)	15	2
	Score	3

Fish	Bullheads	0
	Sticklebacks	0
	Minnows	0
	Trout	0
	Stone Loaches	0
Up-wing flies	Caenidae	0
	Leptophlebiidae	0
Decapoda	Crayfish	0
Isopoda	Water Hoglouse (Asellus)	2
Megaloptera	Alderflies	0
	Damselflies	0
Other	Leeches	1
	Cranefly larvae	1
	beetle larvae	1
	Midge larvae	0

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