Showing posts with label Stoneflies. Show all posts
Showing posts with label Stoneflies. Show all posts

Tuesday, July 1, 2025

Riverfly Survey in Toft

Toft Bourn Brook Group is carrying out surveys of the invertebrate species in the Brook according to the Riverfly rules and regulations for acquiring the samples and then counting the species found in the water. The species that are monitored include Mayflies, Olives, Stoneflies, Shrimps and  Caddis flies. Timed samples are taken and then examined for the Groups shown on the circular chart and the numbers of individuals counted. We also found very young Loach and American Crayfish plus Beetles, various Midge larvae and Pond Skaters etc