[1] Gignac L D, Vitt D H. Responses of northern peatlands to climate change: effects on bryophytes[J]. Journal of the Hattori Botanical Laboratory, 1994, 75:119—132.
[2] Karnieli A, Shachak M, Tsoar H, et al. The effect of microphytes on the spectral reflectance of vegetation in semiarid regions[J]. Remote sensing of Environment.1996, 57(2):88—96.
[4] Karnieli A. Development and implementation of spectral crust index over dune sands[J]. International Journal of Remote Sensing, 1997, 18(6):1207—1220.
[5] Burgheimer J, Wilske B, Maseyk K, et al. Ground and space spectral measurements for assessing the semi-arid ecosystem phenology related to CO2 fluxes of biological soil crusts[J]. Remote Sensing of Environment, 2006, 101(1):1—12.
[6] Schmidt H, Karnieli A. Analysis of the temporal and spatial vegetation patterns in a semi-arid environment observed by NOAA AVHRR imagery and spectral ground measurements[J]. International Journal of Remote Sensing, 2002, 23(19):3971—3990.
[7] Zhang J, Rivard B, Sánchez-Azofeifa A. Spectral unmixing of normalized reflectance data for the deconvolution of lichen and rock mixtures. Remote Sensing of Environment, 2005, 95(1):57—66.
[8] Chen J, Zhang M Y, Wang L, et al. A new index for mapping lichen-dominated biological soil crusts in desert areas[J]. Remote Sensing of Environment, 2005, 96(2):165—175.
[9] Holben B N. Characteristics of maximum-value composite images from temporal AVHRR data[J]. International Journal of Remote Sensing, 1986, 7(11):1417—1434.
[10] Tucker C J, Townshend J R G, Goff T E. African Land-Cover Classification Using Satellite Data. Science.1985, 227:369—375.
[11] GAO Zhi-Qiang, LIU Ji-Yuan. Simulation study of China’s net primary production[J]. Chinese Science Bulletin.2008, 53(3):434—443.