Ecotype

Resource dimension niche width

Economic dimension niche width

Technology dimension niche width

Total niche width

Ningbo-Zhoushan port

Dominant species

1.7083

2.1190

1.0869

4.9142

Shanghai port

Dominant species

1.6737

2.2929

0.5846

4.5512

Suzhou port

Subdominant species

1.1738

2.2939

0.8635

4.3312

Nanjing port

Subdominant species

0.9128

2.0424

0.8184

3.7735

Huzhou port

Auxiliary species

0.7293

1.6099

1.1467

3.4859

Nantong port

Auxiliary species

0.6352

1.7108

0.9894

3.3354

Taizhou port

Auxiliary species

0.6952

1.5508

1.0539

3.2999

Zhenjiang port

Auxiliary species

0.7856

1.6531

0.6701

3.1088

Lianyungang port

Rare species

0.7830

1.2354

0.5056

2.5239