470
Salinity 169, 307, 372, 422
gradient 85, 132, 192,435
stratification
Salt marshes 262, 268, 283, 286, 289
Scotland 51, 231
Seagrass
decline 15, 80, 192, 197, 289, 334, 445,
446
wasting disease 155, 193,205
Sea urchins 12, 384, 396
Sedimentation 2, 11, 53, 151, 350
Shellfish culture, farming
Siltation 231, 310, 441
Size reduction 139, 169
Skagerrak 53, 168, 169, 174
Snails
South Atlantic 269
Spain 51,61,265,295
Atlantic 265
Mediterranean 295
Stratification 50,53,84, 195,300,372,422,
425,436
Subject Index
Substrate 120, 138,208,230,297,316,335,
443,455
Sulphate reduction 334
Sulphur bacteria 196,269
Suspended matter 230, 370, 396, 436
Sweden 54, 165, 168, 175
Thermocline 49, 132
Toxic blooms 49,70,143,169,177,189
Turbidity 151,206,276,300,345,370,384,
396,437,454
Turkey 60,421
Ukraina 438
Upwelling 8,267,283,290
Wakame 122
Wastewater treatment 46,50,70,115,269,
335,342
Water exchange (see also flushing,
hydro-dynamic conditions) 105, 192,
229,298,335,340,342,435,437
Wetlands 116