“…At the country level, web-information based studies on citizen science projects, for example for Brazil [18], Germany [19], Japan [20], and South Africa [21] examined starting year, target age group, research field, main activities, the level of citizen's participation (Haklay's classification), web technologies, the linkage to UN SDGs, number of participants, number of observations, the type of the involved institutions, among others. Survey based studies, for example for Ireland [22] and Spain [23] examined awareness of citizen science in the educational institutions, the citizen science project's outputs, the level of citizen's participation (Haklay's classification), training of participants, among others.…”