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. Author manuscript; available in PMC: 2015 Jan 20.
Published in final edited form as: Environ Monit Assess. 2007 Sep 27;142(0):1–9. doi: 10.1007/s10661-007-9903-z

Table 1.

Types of resources to be evaluated, definitions, examples, and who evaluates them

Type Definition Examples Evaluators
1. Resources themselves Value of individual species to the ecosystem Keystone species Natural resource trustees
Trophic role Conservationists
Predator/prey dynamics Regulators
Endangered and threatened species Tribal councils
2. Specific resources for individuals Value of individual species to individual people or groups of people Fish for fishing Fish and game agencies
Game for hunting Conservationists
Birds for bird-watching Businesses catering to recreationists
Wildlife for photography Tribal councils
Fish and coral for divers Scientists and social scientists
Plants for religious or medicinal purposes
3. Resources for communities Value of ecosystem to human communities Clean water and air Regulators
Buffers from storms, hurricanes. Public policy-makers
Coastal zone managers/Army Corp of Engineers
Tribal councils
Scientists
4. Intact ecosystems Ecological, aesthetic and existence values to people Old growth forest Environmental Protection agencies (state and federal)
Salt marshes Ecologists
Tropical forests NGOs
Deserts Tribal councils
Scientists

The examples and list of evaluators are not meant to be exhaustive, but representative.