Figure 4

The distribution of NH4+-N (A), NO3−-N (B), TN (C), TP (D), TOC (E) and salinity (F) in the modern Yellow River Delta (ARCGIS 9.3, http://www.esri.com).

The distribution of NH4+-N (A), NO3−-N (B), TN (C), TP (D), TOC (E) and salinity (F) in the modern Yellow River Delta (ARCGIS 9.3, http://www.esri.com).