0900 915 Bjordal

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Bacterial destruction of wooden cultural heritage: 

Bacterial destruction of wooden cultural heritage Charlotte Björdal1, Thomas Nilsson1 and Rene Klaassen2 1 Faculty of Forestry, Swedish university of Agricultural Sciences, Sweden 2 SHR, Foundation of Timber research, the Netherlands

Slide2: 

Wood in historical context

Small bacteria makes great harm: 

Small bacteria makes great harm

Foundation poles supporting historical buildings : 

Foundation poles supporting historical buildings Venice

Shipwreck and other archeological remains : 

Shipwreck and other archeological remains Roman ship Wooden castle

BACPOLES: 

BACPOLES Preserving cultural heritage by preventing bacterial decay of wood in foundation piles and archaeological sites European Commission (energy, environment and sustainable development the city of tomorrow and cultural heritage) EVK4-CT-2001-00043 2002 - 2005

Aim and objectives: 

Aim and objectives Identify the bacteria responsible for decay 2. Development of methods for protection of cultural heritage

BACPOLES based on: 

BACPOLES based on • Wood sampling • Environmental monitoring At: 24 sites in Europe

Outcome of BACPOLES: 

Outcome of BACPOLES

Identification of bacteria: 

Identification of bacteria DNA/RNA identification Cytophaga-Flavobacteria-Bacterioides

Bacterial decay in Europe: 

Bacterial decay in Europe Decay progessing at all 24 sites Bacteria active and alive in both poles and archaeological wood Activity even in very old wood (2500 years) Adapted to environments low in inorganic nutrients

Development of preservation methods: 

Development of preservation methods Based on bacterial identification, bacteriophages/ virus killers were developed Impregnation/ incapsulation in situ Friendly chemicals

Future work : 

Future work Protection of wooden remains in situ BISKUPIN, Poland

Future work : 

Future work Preservation and protection of wooden foundation supporting historic buildings BRYGGEN, Norge

Acknowledgement : 

Acknowledgement The BACPOLES research team members are gratefully acknowledged for fruitful cooperation. The European commission, 5th framework programme, for funding.