English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

Moulds have been reported to destroy large volume of timbers used in buildings annually. As a result, several timber components within the built environment greatly decline and fail to fulfill their basic requirements. This research focuses on the isolation and evaluation of the prevalence and effects of timber deteriorating moulds in the Rain forest and Swampy rain forest Regions of Nigeria which the authors considered a high water activity region based on its aw level of around 0.7. To accomplish this, decayed timber samples were aseptically collected on timber components on buildings from 6 different locations in the regions. The samples were serially diluted and inoculated onto sabouraud dextrose agar medium in petri dishes in the laboratory. The petri dishes were incubated for 72 hours at 30C. Mould were identified and isolated through visual and microscopic observations. The most commonly encountered moulds were evaluated and analysed. It was observed that, prevalence of moulds on buildings used for non residential was higher. There was no significant difference between the prevalence on the components inside the building and outside the building. Ceiba pentandra exhibited highest degradation while Masonia altissima resisted most Aspergillus, Mucor, Rhizopus, and Gliocladium were among the timber deteriorating organisms in the regions. The deteriorations of Ceiba pentandra, Afzelia africana, Lophira alata, Anogessus leocarpus and Gossweilerodendron balsamiferum species of timber under Aspergillus attack were also projected. Key-words: Mould, Timber in building, Biodeterioration, High-water-activity, Microclimate

Biodeterioration of Building Timbers in the High-Water-Activity Built Environment of Nigeria