The MoRPh survey is designed to enable citizen scientists to monitor physical habitat mosaics and human pressures within short (up to 40 m) river reaches called modules. MoRPh underpins a multiscale Modular River Survey, providing local information, which when collected across 10 contiguous modules, delivers a Multi-MoRPh river sub-reach survey up to 400 m in length. This, in turn, contributes to a HydroMoRPh assessment of reaches extending to tens of kilometres of river length, based on secondary data sources. A 6-month trial on chalk streams, demonstrates that indices calculated from MoRPh surveys can detect notable differences in hydraulic, sediment, physical and vegetation habitat characteristics across this single river type. Further tests will evaluate applicability to other river types and ability to detect temporal changes. Development of aggregate indices for Mul-tiMoRPh sub-reaches will aid interpretation of contemporary morphological dynamics, complementing longer term changes extracted at the reach scale by a HydroMoRPh analysis. L. J. Shuker et al.MoRPh: a citizen science tool for monitoring

The installation of large wood and sediment berms to narrow the overwide channel of the River Bulbourne, Hertfordshire, aimed to restore geomorphological processes, improve channel habitat diversity and increase the amenity value of the park in which the river is located. The Modular River Survey provides a framework and suite of tools for river managers and volunteers to monitor and assess restoration activities. Applying this technique to the River Bulbourne before and after restoration demonstrated that the works increased physical habitat and vegetation complexity. The restored section was narrowed, substrate composition changed and the range of in-stream vegetation morphotypes increased. The initial slight improvement in riparian habitat complexity immediately following the restoration is expected to increase further over time as the riparian vegetation develops and the restored section of channel matures. A public perception and recreational use survey reviewed how visitor experience and use of the park changed following restoration.