Table 4 Changes in Indicators within the EF Model

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

Year

EP

EO

EF

EC

ef

ec

BCA

Population

2005

134,846.775

5042.864

139,889.638

13,804.603

0.283

0.265

0.093

493,625

2006

143,332.893

4599.019

147,931.912

129,862.758

0.300

0.263

0.094

492,983

2007

135,877.135

4849.320

140,726.455

123,153.991

0.286

0.250

0.094

492,317

2008

129,858.387

4883.423

134,769.810

116,839.142

0.274

0.238

0.097

491,266

2009

138,194.744

4944.631

143,139.375

124,544.315

0.292

0.254

0.099

494,041

2010

133,526.605

5026.736

138,547.341

120,520.209

0.282

0.246

0.097

490,552

2011

126,736.058

4915.097

131,651.155

114,560.244

0.268

0.233

0.096

491,029

2012

125,555.546

4815.223

130,370.769

113,541.441

0.266

0.231

0.096

490,578

2013

12,7369.958

4724.501

132,094.459

115,403.607

0.270

0.236

0.094

489,853

2014

89,434.738

3729.347

93,164.085

82,981.371

0.189

0.169

0.072

491,803

2015

85,548.105

3613.592

89,161.697

79,527.099

0.182

0.163

0.070

488,877

2016

75,104.097

3617.026

78,721.123

70,186.183

0.161

0.144

0.065

488,747

2017

74,014.633

3483.724

77,498.356

69,238.022

0.158

0.141

0.065

489,970

2018

67,376.910

3399.932

70,776.842

66,592.832

0.144

0.136

0.062

491,277

2019

69,107.907

3779.790

72,887.697

64,433.826

0.149

0.131

0.068

494,048

2020

71,727.006

3863.507

75,590.512

67,071.945

0.155

0.137

0.065

488,971

2021

75,443.270

3952.459

79,935.730

70,377.097

0.163

0.145

0.067

486,442

2022

67,058.421

3998.445

71,056.866

73,488.949

0.147

0.152

0.072

484,287