The three-thirds rule
In Switzerland, the tendency is for distribution according to the three-thirds rule:
- a maximum of 1/3 of the total surface area for intensive short-grassed areas (greens, tees and fairways) and structures (buildings, paths and bunkers),
- a maximum of 1/3 of the total surface area for roughs, i.e. extensive meadows and/or shrubs and bushes, but no semi-intensive short grass,
- at least 1/3 of the total surface area for nature reserve areas and biotopes (surface areas with high ecological value).
A golf course consists of 40% nature reserve areas and 30% roughs, i.e. 70% of the surface area is fairly untouched by humans.