Environmental Engineering Reference
In-Depth Information
Figure 4.
15
N of suspended and sinking PN and
Trichodesmium
abundance at the surface. Upper panel: δ
Meridional distribution of δ
15
N of PN collected in the upper 10 m of the water
column and the mean, concentration-weighted δ
15
N of PN in the upper 100 m of the water
15
N of material collected in the sediment traps deployed at 100 and 500
m depth (mean
+
SD). Lower panel: Abundance of
Trichodesmium
in the upper 20 - 50 m of
the
water column (trichomes m
−
2
).
column. Middle panel: δ
