![Ecology / Systems ecology / Ecological succession / Ecosystems / Environmental economics / Ecological land classification / Ecosystem / Ecoregion / Vegetation / Terminology / Biology / Knowledge Ecology / Systems ecology / Ecological succession / Ecosystems / Environmental economics / Ecological land classification / Ecosystem / Ecoregion / Vegetation / Terminology / Biology / Knowledge](https://www.pdfsearch.io/img/9cf056f26cae29031c0a756bb1fed45f.jpg) Date: 2000-12-18 11:45:18Ecology Systems ecology Ecological succession Ecosystems Environmental economics Ecological land classification Ecosystem Ecoregion Vegetation Terminology Biology Knowledge | | The following is an electronic version of National Hierarchical Framework of Ecological Units1 David T. Cleland, Peter E. Avers, W. Henry McNab, Mark E. Jensen, Robert G. Bailey, Thomas King, and Walter E. RussellAdd to Reading ListSource URL: www.ncrs.fs.fed.usDownload Document from Source Website File Size: 53,70 KBShare Document on Facebook
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