Thema Subject Categories 1.3

Previous versions of Thema are still available 1.2 1.1 1.0.

Browse the Thema subject categories hierarchy, or search for a specific term within the hierarchy.

See the search hints below.

Notation Category heading Add Mod ?
R Earth Sciences, Geography, Environment, Planning
RG Geography
Use with: (all RG* codes,) PLACE Qualifiers 1* as appropriate
RGB Physical geography & topography 1.3
RGC Human geography
RGL Regional geography
See also: GTM Regional studies
RGM Biogeography
See also: RN* The environment and its subcategories, PSAF Ecological science, the Biosphere
RGR Geographical discovery & exploration
See also: WTLP Expeditions: popular accounts
RGV Cartography, map-making & projections
RGW Geographical information systems & remote sensing
Class here: geomatics, quantitative and qualitative methods, geostatistics, spatial analysis, GPS
1.2
RGX Geographical reference works

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