Caption: Christine Finnigan, a farmer in the Nguturoa Stream catchment near Linton (Palmerston North) assists a community member to use NIWA’s Stream Habitat Monitoring and Assessment Kit (SHMAK) tube to estimate visual water clarity at a recent field day. This field day was held as part of the “Seeing, understanding, believing: A farmer-led project into waterway improvement” project funded by Our Land and Water National Science Challenge.