Dutch Wadden Sea

FIGURE 6.4 Mean concentration of CB153 in pg/g pentane-extractable liquid (PEL) in whole fish from the Dutch Wadden Sea and the cellular fraction of the blood of harbor seals. Numbers of CBs are given in order of elution from the GC column by their systematic numbers according to lUPAC rules as proposed by Ballschmitter and Zell (1980). All concentrations are proportional to the height of the bar. (Reproduced from Boon et al. 1992. With permission.)... 

Goede, A.A. and P. de Voogt. 1985. Lead and cadmium in waders from the Dutch Wadden Sea. Environ. Pollut. 37A 311-322. 

Dutch Wadden Sea Knots, 3 species, recently-formed primary feathers Juveniles 100-400 DW 59... 

Eder G, Ernst W, Goerke H, et al. 1981. Organochlorine residues analyzed in invertebrates of the Dutch Wadden Sea by two methods. Netherlands, Journal of Sea Research 15 78-87. 

Cadee, G. C. 1986. Increased phytoplankton primary production in the Marsdiep Area (Western Dutch Wadden Sea). Journal of Sea Research 20 285-290. 

Duinker, J.C., Hillebrand, M.T.J., 1983. Comparison of PCBs mixture in biotic and abiotic marine compartments (Dutch Wadden Sea). Bull. Environ. Contam. Toxicol. 31,... 

Colijn, E, and Dijekma, K.S. (1981) Species composition of the benthic diatoms and distribution of chlorophyll-a on an intertidal flat in the Dutch Wadden Sea. Mar. Ecol. Prog. Ser. 4, 9-21. 

Rasmussen, M.B., Henricksen, K., and Jensen, A. (1983) Possible causes of temporal fluctuations in primary production of microphytobenthos in the Dutch Wadden Sea. Mar. Biol. 73, 109-114. 

P. de Voogt, J. C. Klamer, A. A. Goede and H. Govers, Accumulation of Organochlorine Compounds in Waders from the Dutch Wadden Sea, Vrije Universiteit, Amsterdam, IvM report 85/7, 1985. 

De Jonge VN, Bakker JF, van Stralen M (1996) Recent changes in the contributions of river Rhine and North Sea to the eutrophication of the western Dutch Wadden Sea. Neth J Aq Ecol 30 27-39... 

Figure 2 shows their geographical position, except for the Rozel Point oil which comes from the Uinta basin in Utah, USA, and the mud samples from the Dutch Wadden Sea. The occurrence and possible significance of several suites of organic compounds isolated from a number of recent sediments have been reported by us over the last years. Firstly, results of this work will be critically evaluated and secondly, a few new compounds series and analytical approaches are discussed. 

Cadee, G.C. Hegeman, J. (1974) Primary production of the benthic microflora living on tidal flats in the Dutch Wadden Sea. Neth. J. Sea Res. 8, 260-91. 

Goede, A.A. (1985) Mercury, selenium, arsenic and zinc in waters from the Dutch Wadden Sea. Environmental Pollution yjA., 287-309. 

One of the most fruitful developments was the concept of the unidirectional transport of particles by oscillatory or intermittent currents. The onshore movement of fine-grained suspended sediment has been discussed for the U. S. Atlantic coast by Meade (1969) and Hathaway (1972), and for the Dutch Wadden Sea by Postma (1961). The unidirectioneil transport of sand by tidal currents has been documented in a variety of coastal environments by the form and migration of bed forms (Guilcher, 1967 Salsman et ai, 1966 Jones et al., 1965 Belderson and Kenyon, 1969 Caston and Stride, 1970 Ludwick, 1972 Stride, 1974 Bokuniewicz et al., 1977). 

Cadee and Hegeman (1977) found, nevertheless, that annual primary production of the benthic microflora in sediments of the Dutch Wadden Sea showed a good correlation with the annual average functional chlorophyll a content of the sediment. 

Essink, K. and De Wolf, P., 1978. Pollution by organic waste in the Dutch Wadden Sea and the Ems—Dollard estuary. In K. Essink and W.J. Wolff (Editors), Pollution of the Wadden Sea Area. Report 8 of the Wadden Sea working group, chapter 4.2. Stichting Veth Steun Waddenonderzoek, Leiden, pp. 39—45. 

Data reproduced with permission from Warmerhoven JP, Duiser JA, de Leu LT and Veldt C (1989) The Contribution of the Input from the Atmosphere to the Contamination of the North Sea and the Dutch Wadden Sea. Delft, The Netherlands TNO Institute of Environmental Sciences. 

Kerkhoff, M., De Boer, J. Organochlorine residues in a harbour porpoise found dead in the Dutch Wadden Sea in 1971. ICES CM 1977/N 2 (1977)... 

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