5Cain DH, Riitters KH, Orvis K. 1997. A multi-scale analysis of landscape statistics. Landscape Ecology, 12 : 199-212.
6Costanza JK, Moody A, Peer RK. 2011. Multi-scale environ- mental heterogeneity as a predictor of plant species rich- ness. Landscape Ecology, 26 : 851-864.
7Glover DR, Simon JL. 1975. The effect of population density on infrastructure. Economic Development and Cultural Change, 23: 453-468.
8Levin SA. 1992. The problem of pattern and scale in ecology. Ecology, 73 : 1943-1967.
9Rusch A, Valantin-Morison M, Sarthou JP, et al. 2011. Multi- scale effects of landscape complexity and crop management on pollen beetle parasitism rate. Landscape Ecology, 26:473-486.
10Turner MG, O'Neill RV, Gardner RH, et al. 1989. Effects of changing spatial scale on the analysis of landscape pattern. Landscape Ecology, 3: 153-162.
