Download Building Mycology: Management of decay and health in by J. Singh PDF

By J. Singh

Biodeterioration is the most typical challenge of mankind and its list will be traced again to biblical instances or most likely prior. development Mycology offers with the research of fungi in and round the development atmosphere, having direct and oblique impression at the wellbeing and fitness of the construction, its fabrics, buildings and occupants.

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Extra info for Building Mycology: Management of decay and health in buildings

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The rotted wood is dark brown with dominant longitudinal cracks and infrequent crossgrain cracks. Freshly colonized wood usually shows a yellow coloration. Poria fungi These fungi generally attack softwood in buildings. They require a higher moisture content than dry rot but are tolerant of occasional drying and are therefore normally associated with roof leaks. This group includes Amyloporia xantha, Antrodia serialis, A. sinuosa and Poria placenta, commonly known as the white pore fungi or mine fungi.

Observation of the occupants’ activities and of the building design, materials, finish and maintenance may lead to improved risk assessment. Environmental reactions and ill health associated with buildings are so variable that it is difficult to establish whether symptoms are caused by a specific factor. Large concentrations of fungal spores in a building, particularly when known to cause serious health effects, for example Aspergillus flavus, A. , etc. should be considered a potential hazard. The measurement of moisture, relative humidity, microventilation and salt content can lead to the assessment of decay activity.

The members of this group invade virtually every possible type of habitat and substrate causing biodeterioration of many materials. They form blue-stained patches on the surface of wood, cause infections of the skin, and produce a range of toxins in foods, feeds and grains in storage. The most common examples are species of Alternaria, Aspergillus, Aureobasidium, Cladosporium, Geotrichum, Penicillium and Fusarium. SUMMARY Fungi are highly diverse and versatile organisms adapted to all kinds of environments.

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