Arid and semi-arid areas of northeast Iran cover about 3.4 million ha are populated by two main tree species, the
broadleaf Pistacia vera. L (pistachio) and the conifer Juniperus excelsa ssp. polycarpos (Persian juniper). Natural stands
of pistachio in Iran are not only environmentally important but genetically essential as seed sources for pistachio
production in orchards. In this study, we estimated the optimum spectral reflectance of juniper forests and natural
pistachio stands using remote sensing to help in the sustainable management and production of pistachio in Iran. In this
research spectral reflectance are able to specify of multispectral from Advanced Land Observing Satellite (ALOS) that
provided by JAXA. These data included PRISM is a panchromatic radiometer with a 2.5 m spatial resolution at nadir,
has one band with a wavelength of 0.52–0.77 μm and AVNIR-2 is a visible and near infrared radiometer for observing
land and coastal zones with a 10 m spatial resolution at nadir, has four multispectral bands: blue (0.42–0.50 μm), green
(0.52–0.60 μm), red (0.61–0.69 μm), and near infrared (0.76–0.89 μm). Total ratio vegetation index (TRVI) of optimum
spectral reflectance of juniper and pistachio have been evaluated. The result of TRVI for Pistachio and juniper were (R2=
0.71 and 0.55). I hope this research can provide decision of managers to helping sustainable management for arid and
semi-arid regions in Iran.
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