File:Loess formation in semi-arid environments.webp
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English: Biological loess crust formation in semi-arid environments According to a hypothesis by Svirčev et al., 2013, loess sediment growth in arid and semi-arid regions is facilitated in the same manner, via trapping and accumulation of airborne dust particles by sticky exopolymeric substances during wet events. The particles are then processed through a series of weathering reactions, and translocated downward as cyanobacteria move up toward the light source. When biological activity halts during the dry period, the trapped particles remain immobilized and turn into constituents of cohesive biological loess crusts that resists wind erosion. The switch between the wet and dry conditions and associated processes represents one cycle of accumulation. The compilation of such cycles results in the initial growth of loess.
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| Date | |
| Source | [1] doi:10.1007/s11104-019-04048-3 |
| Author | Zorica Svirčev, Tamara Dulić, Igor Obreht, Geoffrey A. Codd, Frank Lehmkuhl, Slobodan B. Marković, Ulrich Hambach & Jussi Meriluoto |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 22:56, 11 August 2021 | | 1,916 × 827 (124 KB) | Epipelagic (talk | contribs) | adjust relative positions and recrop |
| 20:49, 11 August 2021 |  | 1,890 × 837 (216 KB) | Epipelagic (talk | contribs) | Uploaded a work by Zorica Svirčev, Tamara Dulić, Igor Obreht, Geoffrey A. Codd, Frank Lehmkuhl, Slobodan B. Marković, Ulrich Hambach & Jussi Meriluoto from [https://link.springer.com/article/10.1007/s11104-019-04048-3] {{doi|10.1007/s11104-019-04048-3}} with UploadWizard |
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