The protected areas benefits assessment tool: a methodology
Biodiversity Conservation
Available Online
Dudley Nigel
,
Stolton Sue
2008
Protected areas of one sort or another cover about 10 per cent of the world's land surface; the large majority were established in the second part of the twentieth century. Although most were originally set up to protect landscape values, wildlife or more recently biodiversity, they are increasingly expected in addition to provide wider benefits to human society.