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Ecoregions as a resource for restoration

NSN seed logoAt the Native Seed Network, we find ecoregion maps to be a very useful landscape-level framework for organizing ecosystems and addressing native plant materials issues. In the absence of genetic data guiding movement of native plant materials, we consider ecoregions practical seed transfer zone boundaries. 

 


There are 3 major ecoregion classification systems (compared below).  Ecoregions for the NSN website are derived from EPA Level III Ecoregions. 

1. EPA Ecoregions 

 

ecoregion map

 

 

2. USDA Forest Service Ecoregions   

Bailey map

 

3. MLRA (NRCS) Ecoregions 

MLRA map

 


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