Environmental Engineering Reference
In-Depth Information
Figure 8.4
Changes in the proportion of the different forms (species) of mercury (Hg) in the Arctic food web
What can we say about mercury levels in the Arctic?
This is not an easy question to answer. Measurements of mercury in lake sediments
show levels that are about two to three times greater than before the onset of mid-latitude
industrialization in the mid-1800s. Once again, long-range atmospheric (and to a lesser de-
Search WWH ::
Custom Search