Watershed protection: Capturing the benefits of nature 's water supply services Author Postel S., Thompson B. Journal/Series Natural Resources Forum | Vol. 29(2); 98 - 108; 21 p. Date 2005 Source IUCN (ID: ANA-074615) Publisher | Place of publication Blackwell Publishing | Oxford, Uk Document type Article in periodical Language English Field of application International Country/Territory United States of America Subject Water Keyword Basin/catchment/watershed Freshwater resources management Water supply