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Georepresenting

Pablo Sastre Olmos HerpNet/GBIF Georeferencing Workshop 2006. Georepresenting. Spain / Europe. GIS Layer “Country-polygon” : Num. / Cont-Ocea / Country Europe / Spain Collection Database : Num. / Sps / … / Cont-Ocea / Country. Canary Islands / Spain / Africa.

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Georepresenting

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  1. Pablo Sastre Olmos HerpNet/GBIF Georeferencing Workshop 2006 Georepresenting

  2. Spain / Europe GIS Layer “Country-polygon”: Num. / Cont-Ocea / Country Europe / Spain Collection Database: Num. / Sps / … /Cont-Ocea /Country

  3. Canary Islands / Spain / Africa GIS Layer “Archipielago-circle”: Num. / Archipielago Africa / Spain / Canary Islands Collection Database: Num. / Sps / … / Cont-Ocea / Country / Archipielago

  4. Extent Madrid / Spain GIS Layer “Provinces-Spain-polygon”: Num. / State-Province Spain /Madrid Collection Database: Num. / Sps / … / Country / State-Province

  5. Uncertainity Madrid / Spain GIS Layer “Provinces-Spain-polygon”: Num. / State-Province (=Madrid) GIS Functions / Distance operators / Buffer

  6. Triturus pygmaeus Patella ferruginea

  7. Named places - County Muros / A Coruña / Galicia Tres Cantos / Madrid A Coruña / GIS Layer “Counties-Spain-polygon”:Num. / County Madrid / Muros Tres Cantos Collection Database: Num. / Sps / … / State-Province / County

  8. Madrid / Counties Genus Parus Forest Genus Circus Agriculture Birds Colection – Spanish Museum of Natural Sciences (MNCN-CSIC)

  9. Circles or Squares ? Tres Cantos / Madrid GIS Layer “Counties-Spain-UTMx10”: Num. / UTMx10/ County Madrid / Tres Cantos Collection Database: Num. / Sps / … / State-Province / County

  10. GIS Layer “Counties-Spain-GeometricPoint”: Num. / … / State-Province /County Collection Database: A Coruña / Muros Num. / Sps / … / State-Province / County ... or Points ? Muros / A Coruña / Galicia / Spain Urban centre (coordinates of the main city centre) Centroid (average polygon coordinates) Geometric centre (coordinates of the furthest point from polygon border)

  11. Named places - Specific locality Louro / Muros / A Coruña / Galicia / Spain Thiessen polygons (Voronoi) A Coruña / Muros / Louro Localities nearby Closer to Louro Generalization Muros county GIS Layer “DetailedLocalities”: Num. / Locality Collection Database: Num. / Sps / ... / Cont-Ocea / ... / Locality

  12. Offsets 5 Km North from Muros (Muros / A Coruña / Galicia / Spain) Muros county Distance 5 Km (±0.5) from Muros 5 Km North from Muros Aspect Generalization North from Muros GIS Layer “Offsets”: Num. / Offset Collection Database: Num. / Sps / ... / Cont-Ocea / ... / Offset

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