D

Daphnia magna 9, 276, 283-291, 294-295, 297-307, 344, 348, 354, 363, 368, 376 daphnids 9, 178, 276, 285, 287, 288, 291, 294, 295, 305, 306, 349

deficiency 2, 12, 13, 18, 99, 109, 110, 120, 237, 242, 261, 324, 333, 334, 338, 339 dehydration rate constant kW 157 denitrification 118, 259, 261 depletion of metals 237 deposit- and suspension feeding animals 215 deposit-feeding lugworm Arenicola marina 319 deposit-feeding peanut worm Sipuncula nudus 227

desorption from surfaces 207, 213

desorption of metals 225

desorption rates 321

242-244, 365, 379 DGT metal flux 243 DGT-labile species 152, 238, 244 diagenetic processes 183 dialysis 150, 168, 183, 216 diatom frustules 205 dietary copper 288 dietary routes 330 dietary uptake 9, 194, 225, 276, 329

Differential Pulse Voltametry /

Stripping Voltametry 156 diffuse double-layer model 218, 219,221

diffusion and stability coefficients

216,157 diffusional and consecutive transport to roots 242 diffusional transport of metals 217 digestion methods 199 digestive physiology 223, 228, 229

digestive protease activities 319 digestive systems 310, 319 disappearance of herbivorous insects on zinc-tolerant plants 328

discrete metal or ligand species of solid surfaces 201 dissociation of complexes 214, 216

dissociation of precipitated ligands 213 dissolution kinetics 171, 192 dissolution of Fe and Mn oxyhydroxides 213

dissolved metal pool 207, 213, 234

dissolved metal species 140 dissolved metal sulphide complex stabilities 155 dissolved organic matter (DOM)

11, 159, 216, 234, 235, 236 dissolved sulfides 317 dissolved sulphide (HS-) 204 distribution coefficients 150, 221,

232, 236, 347 DOC 99, 105, 143, 148, 152, 162-163, 177, 232, 234, 244245, 259, 263-265, 277-278, 281-284, 287, 290-291, 294, 297-305, 379 dose-response curves 333 dose-response relationships 280 dredging 200, 207 drinking water 7, 52, 98, 100105, 160 Dutch Maximum Permissible

Concentration 47 dystrophic lagoon sediment 232

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