Conservation by the Numbers - Data Sources
State Population (2010)
U.S. Census Bureau, 2010
Projected Population Change 2000-2030
U.S. Census Bureau, Population Division, Interim State Population Projections, 2005
State Land Area
Trust for Public Land’s Conservation Almanac, June 2008
Acres in Public Ownership
Trust for Public Land’s Conservation Almanac, June 2008
Acres Owned or Under Easement by Private Land Trusts
Land Trust Alliance, 2010 Census (data through Dec. 31, 2010)
Total Percent of State Developed
Species Diversity, Rank by State
NatureServe analysis, July 2008, update modeled on the 2002 States of the Union Report
Native Species at Risk of Extinction
NatureServe analysis, July 2008, update modeled on the 2002 States of the Union Report
Public Dollars Spent on Conservation (1998-2005)
Trust for Public Land’s Conservation Almanac, June 2008
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