{"thcode":2,"term":{"code":315,"name":"ecosystem functions","parent":310,"scope":"The total life activities of organisms in habitats and the effects of those activities on the nonliving components of the environment."},"uf":[{"name":"estuarine ecosystem functions","usewith":{"code":358,"name":"estuarine ecosystems","parent":54,"scope":"Biological communities and habitats within sea inlets or the zones where rivers meet the seas which are subject to tidal effects and the mixture of fresh and saltwater."}}],"bt":[{"code":310,"name":"ecological processes","parent":101,"scope":"Dynamic biogeochemical interactions that occur among and between biotic and abiotic components of the biosphere."},{"code":101,"name":"biological and physical processes","parent":1174,"scope":"All continuing activities, functions, and phenomena associated with organisms and non-living matter."},{"code":1174,"name":"topics","parent":1,"scope":"Themes, subjects, and concerns for which USGS information resources are relevant."},{"code":1,"name":"Categories","parent":null,"scope":"Thematic terms for categorizing information resources.  This thesaurus is intended to support finding and understanding scientific information."}],"nt":[{"code":1327,"name":"wetland functions","parent":315,"scope":"Processes related to wetlands such as support of ecosystems, evaporation effects on weather, nutrient cycles, etc."}],"rt":[{"code":311,"name":"ecology","parent":650,"scope":"Study of the relations between living plants and animals and their environment."},{"code":2281,"name":"ecosystem resilience","parent":310,"scope":"Measure of the persistence of systems and of their ability to absorb change and disturbance and still maintain the same relationships between populations or state variables. (Holling, 1973)"},{"code":2030,"name":"ecosystem services valuation","parent":237,"scope":"Assessment of the value of ecosystem functions in supporting, sustaining, or enriching life."},{"code":319,"name":"ecosystems","parent":921,"scope":"The interacting populations of plants, animals, and  microorganisms occupying a certain area, and their relationship to the environment."}]}