Forestry Commission logo

Picture library: 2000603

Bacterial wetwood of English oak. Notice the outward bulge in the bark around the split. This is due to a build up of pressure of methane gas produced by the bacteria which cause the bark and callus tissue around the wound to bulge out.

Reference: 2000603

Bacterial wetwood of English oak. Notice the outward bulge in the bark around the split. This is due to a build up of pressure of methane gas produced by the bacteria which cause the bark and callus tissue around the wound to bulge out.
Date Taken: 23rd July 2008

Photographer: George Gate
Copyright: Crown Copyright
Credit line: Forestry Commission / George Gate

No Rating

add to lightbox add image to lightbox