Table 6 Regression coefficient of the top four groups with highest R2 (Regression coefficient) of geographically weighted regression (GWR) in 2000. Group R2 Group R2 Humidity, altitude, sea fish 0.664 ** WS-Se, altitude, sea fish 0.641 ** SD of temperature, altitude, sea fish 0.623 ** SD of temperature, humidity, sea fish 0.619 ** ** Correlation significant at p < 0.01 level.