Salk, C. , Sturn, T. , See, L. ORCID: https://orcid.org/0000-0002-2665-7065 , & Fritz, S. ORCID: https://orcid.org/0000-0003-0420-8549 (2016). Local knowledge and professional background have a minimal impact on volunteer citizen science performance in a land-cover classification task. Remote Sensing 8 (10) e774. 10.3390/rs8090774 .