The Citizen Science Landscape: From Volunteers to Citizen Sensors and Beyond
Figure 2
(a) Screenshot of Flickr map displaying 250 of 13,329 geo-tagged photos tagged with “monarch butterflies butterfly” on February 28th 2012. (b) Map of Journey North roost sightings from all years combined (2005–2007). Dashed line indicates division of central and eastern flyways in analysis. Roosts in Florida were not included in the analyses. Inset map shows the locations of all Journey North participants from 1997 to 2007. Star indicates location of Mexico overwintering sites [45]. Reproduced with kind permission of Springer Science and Business Media.
