Yang L, Guo D H, Meng L Z, et al. Spatial vegetation patterns as early signs of desertification: A case study of a desert steppe in Inner Mongolia, China. Landscape Ecology, 2010, 25(10): 1519-1527.
McGwire K, Minor T, Fenstermake L. Hyperspectral mixture modeling for quantifying sparse vegetation cover in arid environment. Remote Sensing of Environment, 2000, 72: 360-374.
Lavorel S, Chesson P. How species with different regeneration niches coexist in patchy habitats with local disturbances. Oikos, 1995, 74: 103-114.
[28]
Bullock J M, Hill B C, Silvertown J, et al. Gap colonization as a source of grassland community change: Effects of gap size and grazing on the rate and mode of colonization by different species. Oikos, 1995, 72: 273-282.
[29]
Williams R J. Gap dynamics in subalpine heathland and grassland vegetation in south-eastern Australia. Journal of Ecology, 1992, 80: 343-352.
[30]
Vandvik V. Gap dynamics in perennial subalpine grasslands: Trends and processes change during secondary succession. Journal of Ecology, 2004, 92: 86-96.
White M A, Asner G P, Nemani R R, et al. Measuring fractional cover and leaf area index in arid ecosystem: Digital camera, radiation transmittance, and laser altimetry methods. Remote Sensing of Environment, 2000, 74: 45-57.
[36]
Zhou Q, Robson M, Pilesjo P. On the ground estimation of vegetation cover in Australian rangelands. International Journal of Remote Sensing, 1998, 9: 1815-1820.