List of Figures 
System Nordsee 
299 
Fig. 4-53: Spatial distribution of percent fraction of sediment fines(< 20 pm); left: North Sea, 
right: zoomed view on the German Bight. 253 
Fig. 4-54: Spatial distribution of element burden in surface sediment fines. The map combines 
results of the 2006 North Sea Sediment Survey and of the extended 2000 sediment survey 
in the German Bight. 256 
Fig. 4-55: Time series of element burden in surface sediment fines in trend region KS (upper two 
rows of figures) and WB (lower two rows of figures). The first six figures are extended by 
concentration measurements at the dredge material dumping site E3 which is close to KS, 
(blue circles) 257 
Fig. 4-56: Assessment of element burden in surface sediment fines sampled in 2007. Blue: less 
than OSPAR-BAC, green: greater than BAG and less than effect assessment value, red: grea 
ter than effect assessment value (cf. ch. 4.4.2.2, p. 236). A significant temporal trend in each 
region during the recent 10 years is indicated by an up-/downward white triangle. The 
year of assessment and the median concentration (mg/kg DW) during that year is given 
above/below each symbol. 260 
Fig. 4-57: Time series of annual maximum activity concentrations of 137 Cs and 90 Sr in surface 
seawater at former positions of light vessels >Borkumriff< and >Elbe 1< 267 
Fig. 4-58: Distribution of 137 Cs activity concentrations in surface seawater of the German Bight 
during 2006. Underneath columns station IDs 269 
Fig. 4-59: Distribution of 137 Cs activity concentrations in surface seawater of the German Bight 
during 2007. Underneath columns station IDs 269 
Fig. 4-60: Distribution of 90 Sr activity concentrations in surface seawater of the German Bight 
during 2006. Underneath columns station IDs 270 
Fig. 4-61: Distribution of 90 Sr activity concentrations in surface seawater of the German Bight 
during 2007. Underneath columns station IDs 270 
Fig. 4-62: Distribution of 3 H activity concentrations in surface seawater of the German Bight 
during 2006 and 2007. Underneath columns station IDs 271 
Fig. 4-63: Distributions of activity concentrations of 238 Pu, (2391240> Pu, and 241 Am in surface sea 
water of the German Bight in October 2006 273 
Fig. 4-64: Distributions of activity concentrations of 238 Pu, (239 ' 240> Pu, and 241 Am in surface sea 
water of the German Bight in October 2007. 273