Figure 3

Coefficients of Variation (CV) of (a) chlorophyll a, (b) chlorophyll b, (c) chlorophyll a + b, and (d) chlorophyll a/b for three plateau grasslands. Bars denote standard deviations. Significances are in different lowercase letters (p < 0.05). Chl chlorophyll, TP Tibetan Plateau, MP Mongolian Plateau, LP Loess Plateau.