{"id":62756,"date":"2024-03-15T14:13:20","date_gmt":"2024-03-15T14:13:20","guid":{"rendered":"https:\/\/www.africa-press.net\/south-africa\/all-news\/weird-biomass-protects-chinas-great-wall-from-ravages-of-time-research-2"},"modified":"2024-03-15T14:21:20","modified_gmt":"2024-03-15T14:21:20","slug":"weird-biomass-protects-chinas-great-wall-from-ravages-of-time-research-2","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/south-africa\/all-news\/weird-biomass-protects-chinas-great-wall-from-ravages-of-time-research-2","title":{"rendered":"Weird Biomass Protects China’s Great Wall from Ravages of Time \u2013 Research"},"content":{"rendered":"

Africa-Press – South-Africa. <\/strong><\/span>A new breakthrough is changing established beliefs in historical building conservation. Although the growth of plants on old structures is usually considered harmful, the unique non-invasive root systems of ‘biocrusts’ make them more compatible with preservation activities.<\/p>\n

The iconic Great Wall of China, a symbol of Chinese civilization for over two millennia, has an unexpected protector in the form of biocrusts<\/b>, new research has found.<\/p>\n

These “living skins,”<\/b> composed of bacteria, moss, lichen, and other organisms form a protective layer on soil surfaces, crucial in safeguarding parts of the Wall against environmental damage.<\/p>\n

A recent study published in Science Advances underscores how biocrusts defend the wall from elements like wind and rain, potentially slowing its deterioration. Their impact is especially significant on sections built from compacted soil vulnerable to erosion.<\/p>\n

Biocrusts, covering about 12 percent of the Earth’s land surface, are predominantly found in drier climates like northern China.<\/p>\n

Soil scientist Bo Xiao and his team from China Agricultural University conducted a comprehensive study on the Great Wall. They found that biocrusts \u2014 primarily moss and cyanobacteria \u2014 covered over two-thirds of the studied sections. The team compared the physical properties of biocrust-covered parts with those of bare, erosion-prone, compressed earth areas.<\/p>\n

The research team found that the sections blanketed by biocrusts created a stabilizing layer, reducing porosity and boosting strength, thereby enhancing the durability of the cultural heritage site.<\/p>\n

This discovery is reshaping traditional views in heritage conservation. Typically, plant growth on historical structures is seen as harmful, but biocrusts are an exception. Their lack of invasive roots makes them less damaging and more helpful in preservation efforts.<\/p>\n

However, these biocrusts face threats from climate change and land use changes, which could reduce their protective abilities.<\/p>\n

Scientists are now investigating ways to cultivate biocrusts, leveraging these findings to preserve the Great Wall and possibly other cultural heritage sites.<\/p>\n

Though still in its early stages, the research highlights the importance and potential impact of protecting the Great Wall, a testament to Chinese heritage.<\/p>\n

For More News And Analysis About South-Africa<\/a> Follow Africa-Press<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Africa-Press – South-Africa. A new breakthrough is changing established beliefs in historical building conservation. Although the growth of plants on old structures is usually considered harmful, the unique non-invasive root systems of ‘biocrusts’ make them more compatible with preservation activities. The iconic Great Wall of China, a symbol of Chinese civilization for over two millennia, […]<\/p>\n","protected":false},"author":84,"featured_media":62755,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,9],"tags":[274,315,275],"class_list":["post-62756","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-all-news","category-miscellaneous","tag-africa-press","tag-africa-press-south-africa","tag-south-africa-2"],"yoast_head":"\nWeird Biomass Protects China's Great Wall from Ravages of Time \u2013 Research - South Africa<\/title>\n<meta name=\"description\" content=\"A new breakthrough is changing established beliefs in historical building conservation. 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