This study examined grazing effects on rangeland vegetation in Willits, California, using UAS imagery. Image analysis was conducted in ArcGIS Pro 3.4.3 and Pix4D. Comparing 5 grazed and 5 ungrazed zones with GCC and NDVI indices revealed that grazed areas showed higher vegetation health in summer (both indices) and higher GCC in fall, while fall NDVI was comparable between treatments. Both areas exhibited seasonal decline from summer to fall, consistent with Mediterranean climate patterns.
