Table 6 Correlation matrix of independent variables

From: Ecological and carbon footprint based sustainability of traditional polder heritage in Nanxun Huzhou China

Index

ln (PS)

ln (UR)

ln (GDP)

ln (AM)

ln (FU)

ln (IMP)

ln (FMP)

ln (PS)

1.000

−0.716

−0.784

0.512

0.476

−0.312

−0.542

ln (UR)

−0.716

1.000

0.840

−0.641

−0.766

0.480

0.510

ln (GDP)

−0.784

0.840

1.000

−0.695

−0.817

0.511

0.799

ln (AM)

0.512

−0.641

−0.695

1.000

0.688

−0.292

−0.360

ln (FU)

0.476

−0.766

−0.817

0.688

1.000

−0.530

−0.506

ln (IMP)

−0.312

0.480

0.511

−0.292

−0.530

1.000

0.270

ln (FMP)

−0.542

0.510

0.799

−0.360

−0.506

0.270

1.000