Parks and tourism.
Buckley
Ralf
R
International Centre for Ecotourism Research, Griffith University, Southport, Queensland, Australia. r.buckley@griffith.edu.au
D000349:Africa; D001208:Asia; D044362:Australasia; D017753:Ecosystem; D005060:Europe; D006801:Humans; D007564:Japan; D007843:Latin America; D019368:Nature; D009656:North America; D011998:Recreation; D014195:Travel / Q000706:statistics & numerical data* / Q000639:trends; D014481:United States