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Highlands Regional Study – Pennsylvania Results

This study examines the socio-demographic trends, forest and agricultural resources, land use change, and growth patterns in the Pennsylvania Highlands region. It analyzes the impact of population growth and housing trends on the environment and explores the suitability and location of new development. The study utilizes data from various organizations, including the Yale School of Forestry & Environmental Studies and the USDA Forest Service, to provide a comprehensive understanding of the region's dynamics.

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Highlands Regional Study – Pennsylvania Results

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  1. Highlands Regional Study – Pennsylvania Results Socio-demographic Trends Forest and Agricultural Resources Land Use Change Growth Trends and Impact Analysis Yale School of Forestry & Environmental Studies, Global Institute of Sustainable Forestry State University of New York, College of Environmental Science and Forestry Regional Plan Association Appalachian Mountain Club University of Connecticut In cooperation with the USDA Forest Service, Northeastern Area State & Private Forestry

  2. Eastern Seaboard Population Growth

  3. Population and Housing Growth 2000 Change 1980-2000 Population 1,216,725 +23% Housing Units 481,225 +31%

  4. People per House Population and Housing Trends

  5. Highlands Results

  6. IF region is completely built-out to current zoning • LOW environmental Constraints on building • 108% increase in new single family residential units • 115% increase in population • HIGH environmental Constraints on building • 93% increase in new single family residential units • 102% increase in population

  7. Forest Resources • 442,700 forested acres (32%) in 2001 • Remained ~ stable between 1992 and 2001 • Dominated by oak-hickory and northern hardwood forest types • Even mix of age classes between 20 and 100 years • Mostly larger trees (> 11” diameter) Source: USGS NLCD Land Cover Change Product 1992 – 2001; USDA Forest Service FIA plot data

  8. Protected Open Space16%

  9. The Pennsylvania HighlandsLandscape in Transition

  10. 1992 to 2001 – USGS Change Product14,948 acres of new development 1992 to 2001

  11. Estimates of Change 1992-2001

  12. Percent of land undeveloped in 1992 that became developed by 2001

  13. Where Land for New Development Came From

  14. Most important factors explaining location of new development in Pennsylvania Highlands from 1992 to 2001 in order of importance

  15. Areas of highest likelihood for change based on region-wide indicators

  16. Areas of highest likelihood for change based on individual county indicators

  17. Two Views2001 Suitability Map by County

  18. Regional-Level Impact Indicators

  19. Impacts for 1992 and 2001 using historic data and 2022 using 3 development projection scenarios

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