EDYS (Ecological DYnamics Simulation model)

The Ecological DYnamics Simulation (EDYS) model is a general ecosystem simulation model that is mechanistically-based and spatially-explicit. It simulates natural and anthropogenic induced changes in hydrology, soil, plant, animal, and watershed components across landscapes, at spatial scales ranging from 1 m2 or less to landscape levels (1,000 km2 or larger).

ecosystemmechanistically-basedspatially-explicithydrologysoilplantanimalwatershedlandscapes
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contributed at 2020-01-02

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English {{currentDetailLanguage}} English

Quoted from: Ecological DYnamics Simulation Model (EDYS) Users Guide Version 5.1.0. https://www.tsswcb.texas.gov/sites/default/files/files/programs/agency-reports/Ecological%20DYnamics%20Simulation%20Model%20(EDYS)%20Users%20Guide.pdf 

      The Ecological DYnamics Simulation (EDYS) model is a general ecosystem simulation model that is mechanistically-based and spatially-explicit (Childress and McLendon 1999; Childress et al. 1999a, 1999b, 2002). It simulates natural and anthropogenic induced changes in hydrology, soil, plant, animal, and watershed components across landscapes, at spatial scales ranging from 1 m2 or less to landscape levels (1,000 km2 or larger). It is a dynamic model, simulating changes on an hourly (for aquatic) or daily (most terrestrial) basis, over periods ranging from months to centuries.

      EDYS has been used for a variety of ecological evaluations by federal and state agencies, munipal and water authories, and corporations at 35 sites in 12 states and in Australia and Indonesia. It has been linked with groundwater (MODFLOW) and surface runoff (GSSHA, CASC2D, HSPF) models and is included as part of the U.S. Army Corps of Engineers System-Wide Water Resources Research Program (SWWRP) as a primary terrestrial model (Johnson and Coldren 2006; Johnson and Gerald 2006). Additionally, it has been used for regulatory compliance (U.S. Air Force Academy (USAFA) 2000; Amerikanuak 2006). Results of EDYS projects have been published in over 40 scientific and technical publications and presented at over 30 scientific meetings.

      EDYS has been used for ecological evaluations, watershed management, land management decision making, environmental planning, and revegetation and restoration design analysis. Examples of land/water management scenarios that have been evaluated using EDYS include military training, recreational activities, grazing, natural and prescribed burns, fire suppression, road/trail building and closure, invasive plants inventory and eradicatiion, drought assessment, water quality/quantity, reclamation, restoration, revegetation, brush management, timber harvest, land cover design, slope stability, and climate change.

      Validation studies conducted with U. S. Army Corps of Engineers (USACE), U.S. Geological Survey (USGS), Natural Resources Conservation Service (NRCS), Strategic Environmental Research and Development Program (SERDP), and CSIRO-Australia showed EDYS to be 90-95 percent accurate in simulating vegetation dynamics (McLendon and Coldren 2001; McLendon et al. 2001; Hunter et al. 2004; Mata-Gonzalez et al. 2007, 2008). Simulations of evapotranspiration (ET) and runoff did not differ statistically from recorded values at a gauged watershed (McLendon and Coldren 2005).

 

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How to Cite

David Price and EDYS team (2020). EDYS (Ecological DYnamics Simulation model), Model Item, OpenGMS, https://geomodeling.njnu.edu.cn/modelItem/ae3ff13d-c404-4a5f-85c5-788f0a742dd8
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