Fig. 6
From: An Experiment with Forced Oxygenation of the Deepwater of the Anoxic By Fjord, Western Sweden
Sediment profile images from station B19 photographed 2009 and 2012. Colors are digitally enhanced, and the scale is in centimetres. An oxygen-reduced sediment bottom, free from macroscopic life, can be seen in the image from 2009 (left). The image from March 2012 (right) indicates a sediment bottom that has been recolonized and displays a clear light brown oxidized layer, and at least two burrows leading down into the sediment