Processing of each endmember and mixed canopy spectral data collection in situ.

<p>(left) Acquisition of spectral data. (center) Sample selection for Nitraria shrub spectral data. (right) Sample selection for Haloxylon spectral data. PV represents the sunlit and shaded green leaves; NPV represents the sunlit and shaded wood, senescent material, and litter; BS represents the bare soil; shadow represents only the shade on the soil. The individual in this manuscript has given written informed consent (as outlined in PLOS consent form) to publish these case details.