1. Basic principles
1.1 Reasons and goals of log conservation (wood quality, wood market, etc.)
1.2 Deterioration of stored logs (Protection of wood quality / Importance of wood MC)
1.3 General recommendations (basis for decisions, economic principles, etc.)
1.4 Choice of conservation method

2. General considerations
2.1 Economic aspects
2.2 Regulations / Laws
2.3 Environmental impacts
2.4 Management / Operation / Health and safety
2.5 Process monitoring and wood quality

3. Conservation methods
3.1 In situ storage
.....3.1.1 Live-conservation of wind-thrown trees
.....3.1.2 Drying by transpiration
3.2 Wet storage
.....3.2.1 Compact pile with water sprinkling (logs with bark)
.... 3.2.2 Ponding / Immersion in water (logs with bark)
3.3 Storage under drying conditions
.....3.3.1 Log pre-drying in covered cross-pile (logs without bark)
.....3.3.2 Fast log pre-drying in open cross-pile (logs without bark)
3.4 Storage under humid conditions
.....3.4.1 Compact pile (logs with / without bark)
.....3.4.2 Compact pile covered with plastic sheets (logs with / without bark)
3.5 'Special methods'
.....3.5.1 Log conservation under oxygen exclusion, compact pile wrapped in plastic sheets (logs with bark)
.....3.5.2 Compact pile covered with geo textile fabric (logs with bark)
.....3.5.3 Compact pile covered with a mineralic suspension
.....3.5.4 Storage in gravel pits
.....3.5.5 Storage in mines
.....3.5.6 Compact pile above tree line (logs with bark)
.....3.5.7 Storage in snow
.....3.5.8 Compact pile covered with organic material

3.6 Supplementary conservation measures
.....3.6.1 Chemical wood protection
.....3.6.2 Biological protection
.....3.6.3 Physical protection

4. Other Conservation theme

UNDER CONSTRUCTION

1. Basic principles
Log conservation (M. Arnold, EMPA, 2000)
Forest damage manual (M. Arnold, EMPA, 1993)
Conservation of the wood quality of large log quantities through storage - a literature review (G.R. Schnell; EMPA; 1986)
Protection of wood quality during long-term storage of logs / I. The project ' Storage of wind-blown timber' (M. Arnold, J. Sell; EMPA; 1992)

1.2. Deterioration of stored logs (Protection of wood quality / Importance of wood MC)
Susceptibility of harvested softwoods to infection by sap-staining fungi (R. Eaton, UOP, ongoing)
Fungal growth in spruce timber stored under low oxygen atmosphere (B. Metzler, M. Gross, G. Mahler; FVA; 1993)

1.4. Choice of conservation method
Storm damaged forest: Efficient and safe harvesting and log conservation methods 1 (M. Wurster; G. Mahler, FVA, ongoing)

2. General considerations
Log conservation (M. Arnold, EMPA, 2000)
Forest damage manual (M. Arnold, EMPA, 1993)
Conservation of the wood quality of large log quantities through storage - a literature review (G.R. Schnell; EMPA; 1986)
Protection of wood quality during long-term storage of logs / I. The project ' Storage of wind-blown timber' (M. Arnold, J. Sell; EMPA; 1992)
Lothar - The hurrican 1999 - Analysis of events (Anonymous; WSL, BUWAL, 2001)

2.1 Economic aspects
Experiences in the Storing and Marketing of Wood From Natural Disaster Areas (LIESE, W.; PEEK, R-D.; BFH; 1987)

 

.....2.3 Environmental impacts
..... Quality of waste water from water sprinkling log conservation (H.H. Myhra & E. Gjengedal; Norwegian Institute of Wood Technology; March 1998)
.....Pollution from wet stores of timber (P. Moltesen; The Danish Forest Association; January 1982)
.....Monitoring of the water quality in storage sites (Ittel-Reinlassöder; Landesamt für Wasserwirtschaft Rheinland-Pfalz; 1991)
.....About the permission based on water law for water preservation of round-wood (Becker, M.; Voß, A.; Institute for Forest Politics, Freiburg University; 1986)
.....The effect of wet storage of wind-thrown trees on water quality (PEEK, R.-D.; LIESE, W.; BFH; 1977)
.....Experiences with Water Storage of Windfall Logs to Maintain the Quality (LIESE, W.; KARSTEDT P.;BFH; 1971)

.....2.4 Management / Operation / Health and safety
.....Storm damaged forest: Efficient and safe harvesting and log conservation methods 1 (M. Wurster; G. Mahler, FVA, ongoing)

.....2.5 Process monitoring and wood quality
.....Beech (Fagus sylvatica) blue staining (P. Moltesen; The Danish Forest Association; 1968)
.....Wood quality, removal from storage and manipulation of sprinkled spruce and fir logs (M.Groß, G. Mahler, K.-H. Rathke; FVA; 1991)
.....Armillaria-attack on logs water-sprinkled for several years (SCHUMACHER, P.; GROSSER, G.; university of Munich; 1995)
.....Discoloration in Beech Wood after Water Storage (HÖSTER, H.-R; BFH; 1974)
.....Lumber quality of live storaged European beeches from the storm disaster 1990 depending on storage method and storage length (EISENBARTH, E.;Forstlichen Versuchsanstalt Rheinland-Pfalz; 1995)

3. Conservation methods
Log conservation (M. Arnold, EMPA, 2000)
Forest damage manual (M. Arnold, EMPA, 1993)
Conservation of the wood quality of large log quantities through storage - a literature review (G.R. Schnell; EMPA; 1986)
Protection of wood quality during long-term storage of logs / I. The project ' Storage of wind-blown timber' (M. Arnold, J. Sell; EMPA; 1992)
Different methods for Norway spruce (Picea abies) conservation (P. Moltesen & E. Riisgaard Pedersen; The Danish Forest Association; 1969)
Lumber quality of live storaged European beeches from the storm disaster 1990 depending on storage method and storage length (EISENBARTH, E.;Forstlichen Versuchsanstalt Rheinland-Pfalz; 1995)
Experiences in the Storing and Marketing of Wood From Natural Disaster Areas (LIESE, W.; PEEK, R-D.; BFH; 1987)

3.1 In situ storage

3.1.1 Live-conservation of wind-thrown trees
Assessment and improvement of live conservation method of blown trees for beech (Fagus sylvatica) (I. Winkler; DERF, ONF, CTBA; 2002)
Blue staining in maritime pine wind-thrown (pinus pinaster) stored on site (J. Moreau (AFOCEL), J.R. Liarçou (CRPF Aquitaine), 2001)
Conservation of maritime pine windthrows in the South West of France ( J. Moreau, P. Nougier, G. Chantre (AFOCEL), 2002)
In situ storage must become a part of the strategy (G. Mahler, H. Schröter, D. Seemann, M. Wurster, B. Textor; FVA; 2000)
In-situ storage deciduous broad-leaved timber (Apel, K.; Kleindopf, B.; Zipp, L.; State forest, Hessen; 1992)
Live-conservation of wind-thrown Beech (Fagus sylvatica L.) (Oliver-Villanueva, J.-V.; Sachsse, H.; Institute of Forest Utilization, Göttingen University; 1992)
Physiological drying and natural conservation of wind-thrown Beech (Fagus sylvatical L.) (Sachsse, H.; Oliver-Villanueva, J.-V.; : Institute of Forest Utilization, Göttingen University; 1998)
Protection of wood quality during long-term storage of logs (Arnold, M.; Sell, J.; EMPA; 1992)
Lumber quality of live storaged European beeches from the storm disaster 1990 depending on storage method and storage length (EISENBARTH, E.;Forstlichen Versuchsanstalt Rheinland-Pfalz; 1995)

3.1.2 Drying by transpiration
Moisture content of stems of Norway spruce (Picea abies (L.) Karst.) after full tree storage in the stand (Klaiber, V.; Seeling, U.; Mutz, R.; Schweiz. Z. Forstwes; 2002)

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3.2 Wet storage

3.2.1 Compact pile with water sprinkling (logs with bark)
Assessment of the beech (Fagus sylvatica) properties and more precisely its coloration following a period of immersion and water spraying (J.L. Bonnet; J. Mirjolet, CTBA, ONF, ongoing )
Experimental site for maritime pine's log conservation (Pinus Pinaster) using three different methods (Anonymous, CTBA, INRA, ONF, Pine Institute, ongoing)
Comparison between logs conserved under water spraying conditions and green timbers in terms of sawing, drying, and planing processes, and in terms of environmental and trade issues (P. Vautherin, O. Snieg, E. Bastet; CTBA)
Storage of logs under water sprinklers / Regulations, technical and economical aspects (J. Moreau, Afocel)
Conservation of maritime pine windthrows in the South West of France ( J. Moreau, P. Nougier, G. Chantre (AFOCEL), 2002)
Root rot in water stored piles (M. Groß; B. Metzler, FVA, 1995)
Water sprinkling 1 (P. Moltesen, K. F. Dalgas& M. Herløw; The Danish Forest Association; 1974)
Water sprinkling 2 (T. Tingleff; The Danish Forest Association; 1991)
Quality of waste water from water sprinkling log conservation (H.H. Myhra & E. Gjengedal; Norwegian Institute of Wood Technology; March 1998)
Climate controlled sprinkling (H.H. Myhra; Norwegian Institute of Wood Technology; March 1998)
Wood quality, removal from storage and manipulation of sprinkled spruce and fir logs (M.Groß, G. Mahler, K.-H. Rathke; FVA; 1991)
Occurrence and dispersion of Armillaria in sprinkling piles (Gross, M. & Metzler, B.; FVA, 1995)
Armillaria attack at sprinkled storm damaged wood (Groß, M.; Metzler, B.; Schumacher, P.; FVA & University of Munich; 1996)
Monitoring of the water quality in storage sites (Ittel-Reinlassöder; Landesamt für Wasserwirtschaft Rheinland-Pfalz; 1991)
Wet storage of beech stemwood from the windthrows in Saarland as of 1990 (Braun, M.; Lewark, S.; FVA; 1992)
Some experiences with sprinkling of soft wood timber (Aufsess, H.; v. Pechmann, H.; Lippemeier, P.; Forest Research Institute Munich; 1974)
Protection of wood quality during long-term storage of logs (Arnold, M.; Sell, J.; EMPA; 1992)
About the permission based on water law for water preservation of round-wood (Becker, M.; Voß, A.; Institute for Forest Politics, Freiburg University; 1986)
Armillaria-attack on logs water-sprinkled for several years (SCHUMACHER, P.; GROSSER, G.; university of Munich; 1995)
Discoloration in Beech Wood after Water Storage (HÖSTER, H.-R; BFH; 1974)
Quality of waste water from [timber] sprinkling sites (PEEK, R-D.; BFH; 1989)
The wood quality of Scots pine (Pinus silvestris L.) from a damaged forest area after five years of wet-storage (HAPLA, F.; Institut für Forstbenutzung der Georg-August-Universität, Göttingen; 1992)
The effect of wet storage of wind-thrown trees on water quality (PEEK, R.-D.; LIESE, W.; BFH; 1977)
Experiences with Water Storage of Windfall Logs to Maintain the Quality (LIESE, W.; KARSTEDT P.;BFH; 1971)

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3.2.2 Ponding / Immersion in water (logs with bark)
Experimental site for maritime pine's log conservation (Pinus Pinaster) using three different methods (Anonymous, CTBA, INRA, ONF, Pine Institute, ongoing)
Assessment of the beech (Fagus sylvatica) properties and more precisely its coloration following a period of immersion and water spraying (J.L. Bonnet; J. Mirjolet, CTBA, ONF, ongoing)
Experiences gained from pond storage of timber (Bues, C.T.; Institute for Wood Research, Munich University; 1987)
Protection of wood quality during long-term storage of logs (Arnold, M.; Sell, J.; EMPA; 1992)
About the permission based on water law for water preservation of round-wood (Becker, M.; Voß, A.; Institute for Forest Politics, Freiburg University; 1986)
The effect of wet storage of wind-thrown trees on water quality (PEEK, R.-D.; LIESE, W.; BFH; 1977)

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3.3 Storage under drying conditions

.....3.3.1 Log pre-drying in covered cross-pile (logs without bark)
.....Preserving of spruce boles in dry conditions (Kuhl, O.; Private forest Fürst zu Solms-Licht; 1990)
.....Dry-storage preservation of conifer roundwood as an alternative to sprinkling for dry structural timber production, Part 1 and 2 (STEFFEN, A.; FRÜHWALD, A.; KUHL, O.; KRAUSE, H.-A; BFH; 1995)

3.4 Storage under humid conditions

Protection of wood quality during long-term storage of logs (Arnold, M.; Sell, J.; EMPA; 1992)

3.4.1 Compact pile (logs with / without bark)
Susceptibility of harvested softwoods to infection by sap-staining fungi (R. Eaton, UOP, ongoing)

3.5 'Special methods'
Impact of the CO2 amount in Beech (Fagus sylvatica) log conservation (A. Yde-Andersen; The Danish Forest Experiment Station ; 1972)

.....3.5.1 Log conservation under oxygen exclusion, compact pile wrapped in plastic sheets (logs with bark)
.....Storm damaged forest: Efficient and safe harvesting and log conservation methods 2 (D. Schleier; M. Wurster; Dr. G. Mahler, FVA, ongoing)
.....Beech conservation under oxygen exclusion (T. Brammer ; M. Wurster; Dr. G. Mahler, FVA, 2002)
.....Oxygen exclusion method: 2000-2001 (D. Schleier; M. Wurster; Dr. G. Mahler, FVA, 2003)
........Fungal growth in spruce timber stored under low oxygen atmosphere (B. Metzler, M. Gross, G. Mahler; FVA; 1993)
........Plastic film storage of logs after "Lothar" (G. Schüler, D. Schleier, Dr. G. Mahler and T. Maier; FVA & TUD; 2001)
........Log conservation under oxygen exclusion (G. Schüler, M. Wurster; FVA; 2000)
........A new conservation method for round wood (T. Maier; FVA; 1998)
........Log storage using a new Technique (Bues, C.T.; Weber, A.; TUD; 1998)

.....3.5.2 Compact pile covered with geo textile fabric (logs with bark)
.....Arrangements for covered logs in storage to avoid damages caused of fungi and insects (Krenn, K.; Holzforschungsinstitut Österreich; 1988)

.....3.5.8 Compact pile covered with organic material
.....Logs covered with organic compounds (sawdust or straw) (P. Moltesen; The Danish Forest Association; January 1971)

....

3.6 Supplementary conservation measures

.....3.6.1 Chemical wood protection
.....Assessment and improvement of live conservation method of blown trees for beech (Fagus sylvatica) (I. Winkler; DERF, ONF, CTBA; 2002)
.....Experimental site for maritime pine's log conservation (Pinus Pinaster) using three different methods (Anonymous, CTBA, INRA, ONF, Pine Institute, ongoing)
.....CCA treatment of Norway spruce (Picea Abies) after a period of water storage (P. Moltesen & E. Borsholt & L. Bang, ; The Danish Forest Association; 1972)

.....3.6.3 Physical protection
.....End sealing of beech (Fagus sylvatica) (P. Moltesen & V. G. Kristensen; The Danish Forest Association; 1969)
.....Assessment and improvement of live conservation method of blown trees for beech (Fagus sylvatica) (I. Winkler; DERF, ONF, CTBA; 2002)
.....Experiences in log conservation by sealing of intersections and cover with plastic film (Groß, M.; Mahler, G.; Klebes, J.; FVA; 1993)

....