Biosentinel Second Session:

1
Biosentinel Second Session
Index sites, intensive sites, and beyond
Regional spatial trends
Some comparisons with historic data
Other species / multiple species
2
(No Transcript)
3
Invertebrate Biosentinel and Trout Mercury in
Northwestern Sierra Nevada Watersheds
(1993-1996) (Slotton et al., UC Davis)
Strong signal of residual, bioavailable
Hg Centered on historic gold mining zone
4
(No Transcript)
5
(No Transcript)
6
(No Transcript)
7
(No Transcript)
8
(No Transcript)
9
(No Transcript)
10
(No Transcript)
11
(No Transcript)
12
(No Transcript)
13
(No Transcript)
14
(No Transcript)
15
(No Transcript)
16
(No Transcript)
17
Intensive Sites Multiple Species Franks Tract
Bass level
Golden Shiners low, level
Species within similar general
range, silversides good representative species.
18
(No Transcript)
19
(No Transcript)
20
2006 Sampling Plan Index Sites