Data

The following is a selection of datasets that can be used for the study of invasive species in metropolitan areas. Datasets with an asterisk (*) are tabular or cartographic files generated from our research (or derived/modified from their original sources for our research purposes). Datasets without an asterisk (*) are referred to their original source.

Boundary files

• 2003 Metropolitan and micropolitan areas of the United States (Core Based Statistical Areas). (From U.S. Census Bureau).
• 2000 Urban areas of the United States.
  • Original (From U.S. Census Bureau).
  • * Modified (to reflect changes in the Federal Register).
  • * Voronoi polygons for urban areas.
  • * Voronoi polygons for urbanized areas.
• U.S. Freight transportation: origin and destination areas (FAF2). (From USDOT-Federal Highway Administration).
• U.S. Freight transportation: highway link and truck network (FAF2). (From USDOT-Federal Highway Administration).

 

Population data

• 2000 U.S. Census Grids (Summary File 1). (From: SEDAC Socioeconomic Data and Applications Center).
• 2000 Urban areas: population. (From U.S. Census Bureau).
• LandScan TM Worlwide population dataset. (From Oak Ridge National Laboratory).

 

Trade data

• U.S. Freight transportation: origin and destination data (FAF2). (From USDOT-Federal Highway Administration).
• * U.S. Freight transportation: origin and destination data (by urban area) for selected commodities.
  U.S. Freight transportation: highway link and truck data (FAF2). (From USDOT-Federal Highway Administration).
• U.S. port trade data
  • Original, by subscription only. (From USA Trade Online).
  • * Modified, summarized metropolitan/micropolitan areas and converted to Standard Classification of Transported Goods.
• Concordance table: Standard Classification of Transported Goods (SCTG) - Harmonized System (HS). (From Statistics Canada).

 

Land use-cover

• 2001 National Land Cover Data for the contiguous United States (NLCD 2001).
  • Original (From U.S. Environmental Protection Agency).
  • * Summarized by county.
  • * Summarized by urban area.
  • * Summarized by urban area and peri-urban fringe of 3 km.
• Crop Data Layer for the contiguous United States. (From USDA-National Agricultural Statistics Service).
• 2007 Census of Agriculture Data for the United States: downloadable query tool. (From USDA-National Agricultural Statistics Service).

 

U.S. ports

• U.S. port facilities (From North American Transportation Atlas Data).
• Principal ports of the U.S. (From U.S. Army Corp of Engineers).
• * Schedule D (Lat Long of ports listed in trade data)

 

Urban gradient (county based)

• * In relation to forest ecosystems
• * In relation to agricultural ecosystems

 

Ecosystems at risk (county based)

• * Forest ecosystems
• * Agricultural ecosystems

 

Invasive species (county based)

• * Selected plant pests/diseases per county

[ Last updated: July 21, 2010 ]