Location of the Upper Citarum River Basin (UCRB) in Indonesia (red dot in top right overview map). Districts (Kecamatan ) in which the respondents were located, elevation and drainage system are shown in the main map. The respondents are stratified across elevation. Cihampelas, although just downstream of the UCB drains to the Citarum and represents respondents growing lowland crop types. The Pangalengan district extends across the mountain range, however all respondents in this district are located inside the Citarum River Basin.