Figure 11.3. Changes in woody vegetation cover in northern Texas between 1937 (left) and 1999 (right) Cover in 2937 was estimated from aerial photography and texture-based classification convolved to 30 m spatial resolution; cover in 1999 is from Landsat 7 ETM+ imagery. White lines denote fence lines separating livestock management units on the Kite Camp portion of the Waggoner Ranch. (Asner et al., 2003)
|