Barnes Common Riverfly site : Beverley Brook

London, Richmond upon Thames, United Kingdom

Observed by
Rachel Walker
Dissolved oxygen mg/L What's this? 6.1
Ammonia ppm What's this? 0.14
Chlorine ppm What's this? 0.0
Hardness mg/L What's this? 400.0
Nitrates ppm What's this? 2.0
Alkalinity mg/L What's this? 120.0
Water depth m What's this? 0.33
Conductivity μS/cm What's this? 1,619.0
Air temperature °C What's this? 19.0
Water temperature °C What's this? 18.3
Phosphates total ppm What's this? 1.66

Weather

Current weather What's this?
  • sunny
  • cloudy
Weather in previous 24 hours What's this?
  • sunny
  • cloudy

Latest photos


Notes

Riverfly score - 7
Cased caddis x23 (small stick and pebble cases)
Caseless caddis x6
Olives x15
Gammarus x93
Other - x2 pond skaters, x7 damsefly larva, x1 stickleback and x1 dead chub (approx. 20cm long).