Amanda Isaacs, University College London (UCL), is carrying out a research project to assess the main factors contributing to volunteer participation in water quality monitoring. If you are an active ARMI volunteer, please complete Amanda's online questionnaire before the extended deadline, Thursday 29nd June....
A number of ARMI monitors and coordinators reported being unable to login to the ARMI database between Saturday 6th and Tuesday 9th May 2017. Thank you to everybody that reported the issue, which RP reported to the system host immediately. Thank you also to the website and databse support team at the Freshwater Biological Association for locating and resolving the issue so quickly.
After a 22-year absence the critically endangered stonefly Isogenus nubecula has been rediscovered in the River Dee in North Wales by John Davy-Bowker of the Freshwater Biological Association. Click here to read more.
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
