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Wood degradation is a complex process influenced by various biological, chemical, and environmental factors. It significantly impacts the durability and longevity of wood products and structures, necessitating effective preservation and protection strategies.
Wood decay describes wood in all stages of fungal attack, from the initial invasion of hyphae into the cell walls to the complete destruction of the wood. [10] Wood-inhabiting fungi are most common on timber piles above the water surface since the lack of oxygen below water inhibits fungal growth.
Giuliana Deflorio, Siegfried Fink et al. (2008): Detection of incipient decay in tree stems with sonic tomography after wounding and fungal inoculation."Wood Science and Technology 42.2 (2008): 117–132. Siegfried Fink (1992): Transparent wood–a new approach in the functional study of wood structure. Holzforschung Nr. 46
While wood in contact with soil will generally decompose more quickly than wood not in contact with it, it is possible that the predominantly clay soils prevalent in Vietnam provide a degree of mechanical protection against insect attack, which compensates for the accelerated rate of decay. Also, since wood is subject to bacterial decay only ...
Dry rot would appear to be a paradoxical term seemingly indicating decay of a substance by a fungus without the presence of water. However, its historical usage dates back to the distinction between decay of cured wood in construction, i.e. dry wood, versus decay of wood in living or newly felled trees, i.e. wet wood. [10]
Wood-decay fungi consume wood in various ways; for example, some attack the carbohydrates in wood, and some others decay lignin. The rate of decay of wooden materials in various climates can be estimated by empirical models. [3] Wood-decay fungi can be classified according to the type of decay that they cause.
Decay in timber caused by fungal growth, usually in a moist, stagnant, poorly ventilated atmosphere. dust collection A system used to capture wood dust from woodworking machines such as a table saw, miter saw, router, planer, or jointer. A shop vacuum or a dust collector captures wood dust using a high volume of air flow.
The decay of these substances, together with syneresis of the host mud, produced stresses that fractured the interiors of the concretions while still at shallow burial depth. This was possible only with the bacterial colonization and the right sedimentation rate.