Sources of land-use projections, by region.

No large-scale forest parcelization projections were located.

Land Base Change	Approach	Studies	Projected Amount in U.S.
Deforestation	Econometric and mathematical optimization	Alig and Healy 1987, Alig and others 2004, FASOM (Alig and others 2002) Alig and Plantinga 2004	More than 50 million acres deforested by 2050, mostly for developed uses
Afforestation	Econometric and mathematical optimization	Lee and others 1992, Kline and others 2002, FASOM (Alig and others 1998, 2002), Alig and others 2003, Alig and Plantinga 2004	About 20 million acres converted from agriculture to forest by 2050 (FASOM)
Forest fragmentation	Econometric	Wear and others 2004	South projected to lose about two million acres of interior forest by 2020
Structure additions to forests	Statistical	Stein and others 2005	44 million acres of private forest with substantial increase in housing density by 2030
Urban forest changes	Statistical	Nowak and Walton 2005	29 million acres of forest to be urbanized by 2050

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