Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Three types of spatial relationships between ecosystem service and beneficiaries: (a) services are generated and must be enjoyed at a particular site; (b) services are generated at a site and flow in all directions to beneficiaries; (c) services are generated at a site and flow in a particular or restricted direction to beneficiaries.
