. 2024 Nov 21;15:1463549. doi: 10.3389/fmicb.2024.1463549

Table 1.

The correlation and optimal variables of landscape patterns on the bacterial community at different spatial scales based on Bioenv.

Watershed	Scale	Dry season		Wet season
Watershed	Scale	Optimal variables	Correlation	Optimal variables	Correlation
UW	100 m	Gr	0.63^**	Gr	0.44
	300 m	PD	0.35	PD	0.33
	500 m	Bu	0.53^*	Bu, PD	0.48^*
	1,000 m	Cr, Bu	0.47	Cr, Bu, PD	0.39
	Sub-watershed	Bu, EN	0.53^*	Bu, EN	0.49^*
	Water chemistry	Cl⁻, WT, DOC, NH₄⁺-N, Cu, Fe	0.78^*	DO, WT, NH₄⁺-N, Mn, Pb, Fe	0.87^**
AW	100 m	Gr, Cr, Bu	0.79^**	Fo, Gr, Cr	0.87^**
	300 m	Gr, Cr, Bu	0.81^**	Gr, Bu, PD	0.88^**
	500 m	Gr, Cr	0.84^*	Gr, Bu	0.81^**
	1,000 m	Gr, Cr	0.79^**	Gr, PD, EN	0.86^**
	Sub-watershed	Gr, Bu PD	0.68^**	Gr, PD	0.83^**
	Water chemistry	SO₄²⁻, EC, DOC, TP, NH₄⁺-N, Cu	0.86^**	Cl-, SO₄²⁻, EC, WT, NO₃⁻-N, Fe	0.85^**
NW	100 m	Gr, Cr, Bu	0.89^**	Gr, Cr, Bu, EN	0.94^**
	300 m	Gr, Bu, PD, EN	0.90^**	Cr, PD, EN	0.95^**
	500 m	Gr, Cr	0.89^**	Cr, Bu, EN	0.90^**
	1,000 m	Gr, Cr	0.90^**	Cr	0.90^*
	Sub-watershed	Fo, Gr, Bu, PD, EN	0.90^**	Gr, Cr	0.89^**
	Water chemistry	Cl⁻, SO₄²⁻, pH, EC Cu, Fe	0.95^**	SO₄²⁻, WT, NH₄⁺-N, Mn, Pb, Fe	0.89^**

Gr, Grassland; Bu, Built-up; Cr, Cropland; Fo, Forest; PD, Patch density; and EN, ENN_MN. ^*Correlation is significant at the 0.05 level; ^**significant at the 0.01 level using Mantel test.