Around 15 scientists descended on the Selke River in Germany in July for five days of intensive fieldwork. Despite a mid-week storm, the team managed to acquire a wide range of hydrological, ecological and biogeochemical data for future analysis.
![Sampling invertebrates using a new push-pull technique](/generic/rivers-groundwater/images/sampling-invertebrates.x70e65199.jpg?q=80&f=webp&w=1440)
Sampling invertebrates using a new push-pull technique
![Geophysical survey equipment set up across a gravel bar](/generic/rivers-groundwater/images/geophysical-survey-equipment.x7fcd1592.jpg?q=80&f=webp&w=1440)
Geophysical survey equipment set up across a gravel bar