NDVI raster::raster() (EPSG:32717) computed from a
Landsat scene (path 9, row 67, acquisition date: 09/22/2000; USGS 2013).
For more details, please refer to Muenchow et al. (2013).
A raster::raster() with 117 rows and 117 columns:
Normalized difference vegetation index.
Muenchow, J., Br<U+00E4>uning, A., Rodr<U+00ED>guez, E.F. & von Wehrden, H. (2013): Predictive mapping of species richness and plant species' distributions of a Peruvian fog oasis along an altitudinal gradient. Biotropica 45, 5, 557-566, doi: 10.1111/btp.12049.
USGS (2013): U.S. Geological Survey. Earth Explorer. Available at: http://earthexplorer.usgs.gov/ (last accessed 1 March 2013).