Translation of "greenbelt" into Estonian

1) An area of land, not necessarily continuous, near to and sometimes surrounding a large built-up area. The area is kept open by permanent and severe restriction on building. 2) An irrigated, landscaped, and regularly maintained fuelbreak, usually put to some additional use, such as a golf course, park, or playground. 3) A planning designation that mandates the setting aside of otherwise developable lands for the purpose of creating natural or semi-natural open spaces. Greenbelts are usually linear parkways, tracts, or belts of land running through or around urban conurbations. 4) An area or zone of open, semi-rural, low-density land surrounding existing major urban areas, but not necessarily continuous. The zone is to be kept open by permanent and severe restrictions on new development. (Source: ALL / DUNSTE / GOOD)