The EcoTrends Project is a collaboration between the Long Term Ecological Research Network (LTER), the USDA Forest Service, and the USDA Agriculture Research Service to synthesize long-term ecological trends.

Coweeta LTER and Central Arizona-Phoenix LTER collected human population and economic data from 1790 to 2000, which represent one of four types of data being synthesized in the EcoTrends Project. The Human Population and Economy dataset contains over two hundred separate variables suitable for describing changes in population and economic structure since the end of the eighteenth century. The dataset was collected for each of the more than two hundred and fifty counties associated with the 21 continental North American LTER sites plus the Luquillo site in Puerto Rico.




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Andrews (AND) - OR
Arctic (ARC) - AL
Baltimore (BES) - MD
Bonanza Creek (BNZ) - AK
Central Az. Phoenix (CAP) - AZ
California Current (CCE) - CA
Cedar Creek (CDR) - MN
Coweeta (CWT) - NC
Florida Coastal Everglades (FCE) - FL 		Georgia Coastal (GCE) - GA
Harvard Forest (HFR) - MA
Hubbard Brook (HBR) - NH
Jornada Basin(JRN) - NM
Kellogg Biological(KBS) - MI
Konza Prairies (KNZ) - KS
Luquillo (LUQ) - PR
Niwot Ridge (NWT) - CO
 North Temperate Lakes (NTL) - WI
Plum Island (PIE) - MA
Santa Barbara (SBC) - CA
Sevilleta (SVE) - NM
Shortgrass Steppe (SGS) - CO
Virginia Coastal Reserve (VCR) - VA

  Links provide a detailed description of each data field.
  Data Dictionary provides a description of data, sources, and dates.
  Data are served online and available for download in Microsoft Excel in both flat file and cross-tabulated formats.
  Learn more about flat and cross-tabulated file structures.
Population
 Cross-Tabulated Flat File Population, Sorted by Type (POP)
  Includes Total Population (TOT), Rural Farm Population (FRUR), Slave Population (SPOP) and Urban Population (URB).

Employment
Cross-Tabulated Flat File Farm Workers (FWKR)
Cross-Tabulated Flat File Commercial Employees (COMEMP)
Cross-Tabulated Flat File Manufacturing Workers (MANWKR)
Cross-Tabulated Flat File Service Employees (SEREMP)

Commercial Activity - Wholesale and Retail Trade
Cross-Tabulated Flat File Commercial Establishments (COMEST)
Cross-Tabulated Flat File Commercial Sales (COMSAL)
Cross-Tabulated Flat File Commercial Wages (CWAGE)

Manufacturing Activity
Cross-Tabulated Flat File Manufacturing Establishments (MANEST)
Cross-Tabulated Flat File Value of Manufactured Output (MANVO)
Cross-Tabulated Flat File Value Added by Manufacturing (MANVAL)
Cross-Tabulated Flat File Manufacturing Wages (MWAGE)

Service Activity
Cross-Tabulated Flat File Service Establishments (SEREST)
Cross-Tabulated Flat File Value Added by Services (SERVAL)
Cross-Tabulated Flat File Service Wages (SWAGE)

Agriculture/Farming Activity
Cross-Tabulated Flat File Number of Farms (FARMS)
Cross-Tabulated Flat File Farm Output (FAROUT)
Cross-Tabulated Flat File Farm Product Value (FVALP)
Cross-Tabulated Flat File Value of Crops (FVALC)
Cross-Tabulated Flat File Value of Forest Products (FORVP)
Cross-Tabulated Flat File Farm Acreage, Sorted by Type (ACRE)
  Farm Acreage includes Improved Farmland (FLIMP), Other Improved Farmland (FUNIO), Unimproved Woodland (WOODUN), and Total Farmland (FTOT).

Download All Population & Economic Data
  Includes Population, Employment, Commercial, Manufacturing, Service, and Agriculture/Farming Activities.
  This query may take several minutes to load.

Beginning of Date Range      End of Date Range

This material is based upon work supported by the National Science Foundation under Cooperative Agreements DEB-9632854 (Text Version) & DEB-0218001 (Text Version).

Any opinions, findings, conclusions, or recommendations expressed in the material are those of the authors and do not necessarily reflect the views of the National Science Foundation.


Data contained herein are distributed freely and without restriction on use.
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