Figure 3 Degree of EAB
infestation for ash trees growing different habitats in China. Habitats
were divided into three categories: (i) street trees: trees on
roadsides; (ii) plantations: trees in parks, courtyards, neighborhoods,
university campuses or nurseries; (iii) semi-natural conditions: trees
growing in natural ecosystems or natural regenerations. (SeeFigure 1 legend for explanation of degrees of EAB infestation,
ordinate value, statistical analysis).