672914.fig.001a
(a)
672914.fig.001b
(b)
672914.fig.001c
(c)
672914.fig.001d
(d)
672914.fig.001e
(e)
672914.fig.001f
(f)
672914.fig.001g
(g)
672914.fig.001h
(h)
Figure 1: Amount of trace elements extracted by ammonium-EDTA (black symbols and full line) and acetic acid (white symbols and dotted line) as a function of their total content in the sediments.