River Sampling - 2nd July 2014

We sampled in the usual place near the cricket nets from about 6:30 pm. The weather was fine and the river very low. We found mayfly larvae plentiful and also found other fauna including fish and small crayfish.

This is what we recorded for the Riverfly records:

Cased caddisfly:  Nil

Caseless caddisfly:  Nil

Mayfly Ephemeridae:  Nil

Blue-winged olive: Category A, Estimated number 6

Flat bodied up-wings:  Category A, Estimated number 2

Olives: Category B, Estimated number 50

Stoneflies: Nil

Gammarus (Freshwater shrimp): Category B, Estimated number 60

Hatches seen: none

River very low; fine, dry weather, warm evening; 3 kick-shuffles undertaken within the allotted 3 minutes (1. gravel on margin of fools watercress, 2. gravel close to water crowfoot area, 3. 30 sec kickshuffle close to bank + 30 sec sweep in main river)

Other fauna: Signal crayfish (3 large, 3 small); Demoiselle larva (1); 10 tiny minnows/sticklebacks