Fungal and Bacterial Communities in the Rhizosphere of Pinus tabulaeformis Related to the Restoration of Plantations and Natural Secondary Forests in the Loess Plateau, Northwest China

Table 2

Richness (𝑆), Shannon-Wiener index (𝐻), Evenness index (𝐸_ℎ), and Simpson index (𝐷) of fungal and bacterial communities in the rhizosphere of Pinus tabulaeformis. FP represents forest plantation, and NSF represents natural secondary forest.

Forest restoration pattern	Site (years)	Species richness (S)	Shannon-Wiener index (H)	Evenness index (𝐸ℎ)	Simpson’s index (D)
Fungi
FP	3	15	3.892	0.996	0.932
	12	18	4.143	0.994	0.942
	25	19	4.235	0.997	0.946
NSF	3	13	3.696	0.999	0.923
	12	25	4.635	0.998	0.960
	25	19	4.242	0.999	0.947
Bacteria
FP	3	15	3.790	0.970	0.922
	12	27	4.656	0.979	0.957
	25	21	4.237	0.965	0.941
NSF	3	20	4.183	0.968	0.939
	12	30	4.778	0.974	0.960
	25	38	5.219	0.988	0.972