Research Article
Spatial Variability of Heavy Metals in Soils and Sediments of “La Zacatecana” Lagoon, Mexico
Figure 2
Spatial distribution of heavy metal concentrations in the area of the La Zacatecana Lagoon. (a) Lead, (b) arsenic, (c) mercury, (d) cadmium, (e) chromium, and (f) nickel. Values are expressed as mg·kg−1.
| (a) |
| (b) |
| (c) |
| (d) |
| (e) |
| (f) |