With kind permission of its authors the Riverfly Partnership is pleased to share the following paper which compares macroinvertebrate data for river health assessment gathered using semi-quantitative (kick/sweep sampling) and quantitative (surber sampling) methodologies.

Full citation: Everall N, Johnson MF, Wood P, Farmer A, Wilby RL and Measham N. (2017) Comparability of macroinvertebrate biomonitoring indices of river health derived from semi-quantitative and quantitative methodologies. Ecological Indicators 78: 437 - 448. DOI 10.1016/j.ecolind.2017.03.040 

Freshwater Communities and the Riverfly Partnership

The Freshwater Biological Association is to become the Riverfly Partnership host from April 2017. (Click title above to access full press release).

The Common Clubtail dragonfly (Gomphus vulgatissimus) is listed as Near Threatened on the British Red List.

This course is open to everyone and will be held from Friday 28th July to Monday 31st July 2017 at the Malham Tarn Field Studies Council site. Tutors for the course are Sharon and Peter Flint, both authorities on the Caddisflies at Malham having carried out extensive survey and monitoring of this group over many years. For more information including cost and booking CLICK HERE