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In the state of Assan in northeastern India, erosion affects nearly 300 square kilometers of topsoil, or 31 percent of the total. Photo: Akarsh Simha CC BY-SA 2.0 DEED Attribution-ShareAlike 2.0 GenericPhoto: Akarsh Simha CC BY-SA 2.0 DEED Attribution-ShareAlike 2.0 Generic

In India, 30 percent of the soil is at risk of erosion

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A study illustrates for the first time the extent of the phenomenon in India. For 3 percent of the area, the situation is defined as "catastrophic" according to the new classification
Thousand-year-old cedar trees on Yakushima Island, Japan, feature crown soils rich in biodiversity. Photo: KimonBerlin CC BY-SA 2.0 DEEDKimonBerlin CC BY-SA 2.0 DEED

In canopy soils there is an undiscovered biodiversity

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A Japanese study highlights the variety of invertebrate species found in canopy soils, the soils created through the transformation of organic matter on branches
Japan's forests trap about 420 trillion airborne microplastics per year in their canopies. Photo: ajay_suresh CC BY 2.0 DEED Attribution 2.0 Genericajay_suresh CC BY 2.0 DEED Attribution 2.0 Generic

Forests keep us from breathing in microplastics

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Airborne microplastics latch onto tree leaves, explains a Japanese study. In this way, forests act as sinks thereby limiting their uptake by humans
Degradation of peatlands generates 5% of anthropogenic emissions. Photo: Pixabay, Pixabay LicencePixabay, Pixabay Licence

Drainage channels in peatlands produce significant emissions

In Southeast Asian peatlands, man-made channels to drain soil contribute to carbon leakage into the atmosphere, research says
A good irrigation strategy is crucial as the increasing frequency of extreme events favors floods and droughts. Photo: Global Water Forum CC BY 2.0 DEED Attribution 2.0 Generic

In northern China, spring irrigation mitigates effects of heat waves

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Combination of spring and summer irrigation "reduces the frequency and intensity of extreme heat events by 6.5 days and 1°C," according to a Chinese study
Researchers developed and tested a new restoration method in Shandong and Heilongjiang provinces in northern China. Photo: Jay Fang CC BY-SA 3.0 DEED Attribution-ShareAlike 3.0 UnportedJay Fang CC BY-SA 3.0 DEED Attribution-ShareAlike 3.0 Unported

Researchers in China propose a new solution for saline-alkaline soils

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For more than a decade, a group of researchers in China has been developing a restoration method based on planting crop stems that prevent salt from rising to the surface, writes the South China Morning Post
Potassium is an essential soil nutrient. Photo: International Potash Institute Switzerland CC BY 2.0 DEED Attribution 2.0 GenericInternational Potash Institute Switzerland CC BY 2.0 DEED Attribution 2.0 Generic

Potassium loss is a global threat: here are six actions to counter it

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Twenty percent of the world's farmland has severe potassium deficiency. A study from Europe proposes a mix of strategies to protect food security
In the 21st century, the share of China's grasslands subject to severe and moderate desertification fell from 52 percent to 37 percent. Photo: neverdance CC BY-SA 3.0 DEED Attribution-ShareAlike 3.0 Unportedneverdance CC BY-SA 3.0 DEED Attribution-ShareAlike 3.0 Unported

A new index details the decline of desertification in China

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In the 21st century, the share of China's grasslands experiencing severe and moderate desertification has dropped from 52 percent to 37 percent. This is revealed in a new survey by the Beijing Academy of Sciences
The Tibetan Plateau regulates summer rainfall in southern China in part because of soil moisture. Photo: Tenace10 CC BY-SA 4.0 DEED Attribution-ShareAlike 4.0 InternationalTenace10 CC BY-SA 4.0 DEED Attribution-ShareAlike 4.0 International

Here’s how Tibetan Plateau influences summer rainfall in northeast China

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Tibetan Plateau heat source strengthens water vapor transport leading to excessive rainfall in northeastern China
Biocrusts widely found on the Great Wall of China can slow the erosion process, thus contributing to the preservation of the structure. Photo: Peter Dowley CC BY 2.0 DEED Attribution 2.0 GenericPeter Dowley CC BY 2.0 DEED Attribution 2.0 Generic

Biocrusts protect The Great Wall of China from erosion

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Typical of arid or semi-arid expanses, soil bio-crusts are an important and undervalued natural resource. An international study has highlighted their ability to counter erosion