Peaty Shore Fens
Circle-spoke model
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Description
The reference state for Peaty Shore Fens represents multiple stable phases influenced by hydroperiod disturbances. The fluctuation of lake levels drives changes over long periods of time between these alternate stable phases. These phases represent a continuum of change from a stable stunted forest of tamarack with complete soil surface cover of sphagnum in the driest conditions to an open phase consisting primarily of sedges in the wettest condition with an intermediate phase in between where a few tamaracks may persist, but not reproduce, and a few woody species of stunted shrubs may be present.
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The Ecosystem Dynamics Interpretive Tool is an information system framework developed by the USDA-ARS Jornada Experimental Range, USDA Natural Resources Conservation Service, and New Mexico State University.