Table 1 The ecological and socioeconomic variables used in this study.
Type | Variables | Unit | Year | Source |
|---|---|---|---|---|
Demography | Population density | Ln (inhabitant km−2) | 2020 | Statistical yearbooks |
Population Growth | ‰ | 2020 | Statistical yearbooks | |
Illiterate people | % of inhabitants | 2020 | Statistical yearbooks | |
People older than 65 | % of inhabitants | 2020 | Statistical yearbooks | |
Economy | GDP Per capita | Ln (10000 Yuan) | 2020 | Statistical yearbooks |
Primary sector | % of GDP | 2020 | Statistical yearbooks | |
Secondary sector | % of GDP | 2020 | Statistical yearbooks | |
Tertiary sector | % of GDP | 2020 | statistical yearbook | |
Fishery output | % of primary sector output | 2020 | Statistical yearbooks | |
Animal husbandry output | % of primary sector output | 2020 | Statistical yearbooks | |
Marine environment | Mean salinity | ‰ | 2010–2020 | Bio-ORACLE |
Mean surface temperature | ºC | 2010–2020 | Bio-ORACLE | |
Mean pH | - | 2010–2020 | Bio-ORACLE | |
Mean calcite | mol m−3 | 2010–2020 | Bio-ORACLE | |
Mean chlorophyll a | mg m−3 | 2010–2020 | Bio-ORACLE | |
Mean primary productivity | g m−3 day−1 | 2010–2020 | Bio-ORACLE | |
Mean nitrate | mol m−3 | 2010–2020 | Bio-ORACLE | |
Mean phosphate | mol m−3 | 2010–2020 | Bio-ORACLE | |
Mean silicate | mol m−3 | 2010–2020 | Bio-ORACLE | |
Terrestrial system | Grassland | % of area | 2020 | GlobeLand30 |
Cultivated land | % of area | 2020 | GlobeLand30 | |
Forest | % of area | 2020 | GlobeLand30 | |
Built-up | % of area | 2020 | GlobeLand30 | |
Wetland | % of area | 2020 | GlobeLand30 | |
Water bodies | % of area | 2020 | GlobeLand30 | |
Terrestrial ecological reserve | % of area | 2020 | Statistical yearbooks | |
Urban green coverage | % of area | 2020 | Statistical yearbooks | |
Coastal land reclamation | % of area | 2020 | GlobeLand30 | |
Wastewater discharge | Ln (10000 ton) | 2020 | Statistical yearbooks | |
Exhaust emission | Ln (billion m3) | 2020 | Statistical yearbooks | |
Agricultural fertilizer usage | Ln (ton) | 2020 | Statistical yearbooks | |
Average PM2.5 concentration | Ln (billion µg m−3) | 2020 | Statistical yearbooks |