Wygląda na to, że sama udzielę sobie odpowiedzi. Za sugestią dr. Macieja Borsy poszukałam terminu "green fingers" i to chyba będzie to.
http://www.kirjavasatama.fi/pdf/southharbour_greenareassyste... -
"The so called ‘Green Fingers’ form the backbone of the green areas system. They extend from the seashore to the city limit and beyond in a radial manner. They are interconnected by a network of square parks, boulevards, pedestrian walkways, seaside promenades, narrow strips of nature, green belts and green corridors. They serve recreation and outdoor activities as well as everyday life access to schools, shopping areas and workplaces. The larger ones also act as ecological corridors."
http://www.landcareresearch.co.nz/research/built/liudd/cases... -
The 'green fingers' are designed to protect sensitive marginal areas from inappropriate development and enhance biodiversity (...)" oraz
http://www.greenstructureplanning.eu/COSTC11-book/pdfs/c-Eco...
The translation workplace 
