From: The impact of harbour sludge disposal on benthic macrofauna communities in the Weser estuary
Survey | Sediment parameter | Significancea | Disposal area (stations I–IV) | Reference area (stations VI–IX) |
---|---|---|---|---|
August 1996, n=4 | Silt (%) | 21.8 | 17.7 | |
Organic matter (%) | 5.8 | 3.8 | ||
Median grain size (mm) | 0.08 | 0.09 | ||
October 1996, n=4 | Silt (%) | ** | 58.0 | 11.50 |
Organic matter (%) | ** | 10.0 | 3.3 | |
Median grain size (mm) | ** | 0.06 | 0.1 | |
April 1997, n=4 | Silt (%) | ** | 43.7 | 2.7 |
Organic matter (%) | ** | 9.5 | 1.0 | |
Median grain size (mm) | 0.09 | 0.10 | ||
Overall, n=12 | Silt (%) | ** | 41.1 | 8.9 |
Organic matter (%) | ** | 8.1 | 2.6 | |
Median grain size (mm) | 0.08 | 0.10 |