Table 1. Scale-dependent change in forest interior area from 2001 to 2006. Forest interior area was measured at five spatial scales defined by neighborhood size and was summarized for the conterminous United States.

	Forest interior area
	2001	2006	Change
Neighborhood size (ha)	(Thousand km2)	(Thousand km2)	(Thousand km2)	(Percent)
4.41	1,419	1,374	−45	−3.2
15.2	1,151	1,102	−49	−4.3
65.6	867	817	−50	−5.8
590	523	482	−41	−7.8
5,310	277	248	−29	−10.5