Assessing ecosystem services across scales to support nature-based solutions in river floodplains: a review of non-monetary tools. - Stammel, Barbara; Jähnig, Sonja C.; Mehl, Dietmar; Pusch, Martin; Srđević, Zorica; Tschikof, Martin; Wulf, Simone; Scholz, Mathias (Nature Conservation, 2026)