The Montseny protected area georeferenced with a polygon with its uncertainty circle: a) an example of a first coarse polygon version of the protected area; b) a second improved version of the polygon representing the georeference, also with its uncertainty circle.

 
  Part of: Marcer A, Escobar A, Garcia-Font V, Uribe F (2022) Ali-Bey - an open collaborative georeferencing web application. Biodiversity Data Journal 10: e81282. https://doi.org/10.3897/BDJ.10.e81282